稳扎稳打Silverlight(35) - 3.0控件之ChildWindow, SaveFileDialog, HeaderedItemsControl, VirtualizingStackPane
2011-11-28 15:57
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[索引页]
[源码下载]
稳扎稳打Silverlight(35) - 3.0控件之ChildWindow, SaveFileDialog, HeaderedItemsControl, VirtualizingStackPanel
作者:webabcd
介绍
Silverlight
3.0 控件一览:
ChildWindow - 用于在父窗体前弹出一个的子窗体
SaveFileDialog - 用户发起的保存文件对话框(OpenFileDialog - 打开文件对话框)
HeaderedItemsControl - 呈现标题和集合数据的控件
VirtualizingStackPanel - 虚拟化的 StackPanel(即仅生成需要显示的 UI 元素。当绑定了大量数据,而某时仅显示其中一小部分的时候,使用此控件则可大幅提高呈现效率)
在线DEMO
/article/4589629.html
示例
1、演示
ChildWindow 的应用
ChildWindowDemo.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page x:Class="Silverlight30.Control.ChildWindowDemo"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="ChildWindowDemo Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnChildWindow" Content="Show ChildWindow" Click="btnChildWindow_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnCustomChildWindow" Content="Show CustomChildWindow" Click="btnCustomChildWindow_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock x:Name="lblResult" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
ChildWindowDemo.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class ChildWindowDemo : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public ChildWindowDemo()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnChildWindow_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow - 在父窗体前显示的子窗体
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Title - 子窗体的标题
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Content - 子窗体的内容
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* HasCloseButton - 子窗体上是否要有关闭按钮(右上角的 ×)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OverlayBrush - 子窗体打开后,覆盖在父窗体上的 Brush
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OverlayOpacity - 子窗体打开后,覆盖在父窗体上的 Brush 的不透明度
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Width - 子窗体的宽
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Height - 子窗体的高
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Closed事件 - 子窗体关闭后所触发的事件
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Show() - 打开(显示)子窗体
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
ChildWindow child = new ChildWindow();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Title = "标题";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Content = "内容";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.HasCloseButton = true;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.OverlayBrush = new SolidColorBrush(Colors.Red);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.OverlayOpacity = 0.3;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Width = 320;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Height = 240;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Show();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
void child_Closed(object sender, EventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DialogResult - 子窗体传递回来的一个 bool? 值(可以用来描述在子窗体中是单击了“确定”按钮还是“取消”按钮)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DataContext - 子窗体传递回来的数据上下文
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CustomChildWindow child = sender as CustomChildWindow;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(string.Format("DialogResult:{0}; DataContext:{1}", child.DialogResult, child.DataContext));
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnCustomChildWindow_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CustomChildWindow child = new CustomChildWindow();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Closed += new EventHandler(child_Closed);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Show();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
CustomChildWindow.xaml(自定义子窗体)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:ChildWindow x:Class="Silverlight30.Control.CustomChildWindow"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Width="320" Height="240"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="我是标题">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot" Margin="2">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid.RowDefinitions>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<RowDefinition />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<RowDefinition Height="Auto" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid.RowDefinitions>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="CancelButton" Content="Cancel" Click="CancelButton_Click" Width="75" Height="23" HorizontalAlignment="Right" Margin="0,12,0,0" Grid.Row="1" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="OKButton" Content="OK" Click="OKButton_Click" Width="75" Height="23" HorizontalAlignment="Right" Margin="0,12,79,0" Grid.Row="1" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:ChildWindow>
CustomChildWindow.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class CustomChildWindow : System.Windows.Controls.ChildWindow
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public CustomChildWindow()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void OKButton_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DialogResult - 传递给父窗体的一个 bool? 值(可以用来描述在子窗体中是单击了“确定”按钮还是“取消”按钮)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DataContext - 传递给父窗体的数据上下文
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DataContext = "点击了 OK 按钮";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DialogResult = true;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void CancelButton_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DataContext = "点击了 Cancel 按钮";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DialogResult = false;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
2、SaveFileDialog
和 OpenFileDialog 的演示
SaveFileDialogDemo.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page x:Class="Silverlight30.Control.SaveFileDialogDemo"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="SaveFileDialog Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBox x:Name="txtInfo" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnSave" Content="保存" Click="btnSave_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnLoad" Content="载入" Click="btnLoad_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
SaveFileDialogDemo.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.IO;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Text;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class SaveFileDialogDemo : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public SaveFileDialogDemo()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnSave_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* SaveFileDialog - 用户发起的保存文件对话框
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Filter - 指定保存文件的描述信息及文件类型(出现在对话框的“保存类型”下拉列表中)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* DefaultExt - 当指定保存文件类型为 *.* 时的默认扩展名
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* FilterIndex - 默认的保存类型在 Filter 中的索引(注意:索引从 1 开始)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ShowDialog() - 显示保存文件对话框。用户在对话框中单击“保存”则返回 true;单击“取消”或关闭对话框则返回 false
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OpenFile() - 打开用户选择的文件,并返回文件流
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
SaveFileDialog dialog = new SaveFileDialog();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dialog.Filter = "Text Files|*.txt|Log Files|*.log|All Files|*.*";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dialog.FilterIndex = 1;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
bool? result = dialog.ShowDialog();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (result == true)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using (Stream stream = dialog.OpenFile())
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
byte[] info = Encoding.UTF8.GetBytes(txtInfo.Text);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
stream.Write(info, 0, info.Length);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
txtInfo.Text = "";
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnLoad_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OpenFileDialog - 打开文件对话框
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Filter - 同 SaveFileDialog
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* FilterIndex - 同 SaveFileDialog
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ShowDialog() - 显示打开文件对话框。用户在对话框中单击“打开”则返回 true;单击“取消”或关闭对话框则返回 false
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* File - 返回用户所选择文件的的 FileInfo 对象
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Multiselect - 选择文件时可否多选
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Files - 返回用户所选择文件的的 FileInfo 对象集合
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
OpenFileDialog dialog = new OpenFileDialog();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dialog.Filter = "Text Files|*.txt";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (dialog.ShowDialog() == true)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using (FileStream fs = dialog.File.OpenRead())
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
byte[] buffer = new byte[fs.Length];
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
fs.Read(buffer, 0, buffer.Length);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
txtInfo.Text = Encoding.UTF8.GetString(buffer, 0, buffer.Length);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
3、演示
HeaderedItemsControl 的使用
HeaderedItemsControl.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls" x:Class="Silverlight30.Control.HeaderedItemsControl"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="HeaderedItemsControl Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<!--
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl - 呈现标题和集合数据的控件
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl.Header, HeaderedItemsControl.HeaderTemplate - 用于显示标题
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl.Items, HeaderedItemsControl.ItemTemplate - 用于显示集合数据
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
-->
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:HeaderedItemsControl x:Name="headeredItemsControl" >
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:HeaderedItemsControl.Header>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock Text="Header" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:HeaderedItemsControl.Header>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:HeaderedItemsControl.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock Text="{Binding}" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:HeaderedItemsControl.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:HeaderedItemsControl>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class HeaderedItemsControl : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public HeaderedItemsControl()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.Loaded += new RoutedEventHandler(HeaderedItemsControl_Loaded);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
void HeaderedItemsControl_Loaded(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
List<string> items = new List<string>();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
for (int i = 0; i < 5; i++)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
items.Add(i.ToString().PadLeft(10, '0'));
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
headeredItemsControl.ItemsSource = items;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
4、演示
VirtualizingStackPanel 的应用
VirtualizingStackPanel.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page x:Class="Silverlight30.Control.VirtualizingStackPanel"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="VirtualizingStackPanel Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ListBox x:Name="listBox" VerticalAlignment="Top" HorizontalAlignment="Left"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Height="50" Width="300">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ListBox.ItemsPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ItemsPanelTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<!--
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
VirtualizingStackPanel - 虚拟化的 StackPanel(即仅生成需要显示的 UI 元素。当绑定了大量数据,而某时仅显示其中一小部分的时候,使用此控件则可大幅提高呈现效率)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Orientation - 数据的排列方式(垂直排列或水平排列)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
-->
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<VirtualizingStackPanel Orientation="Horizontal" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ItemsPanelTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ListBox.ItemsPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ListBox.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock Text="{Binding}" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ListBox.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ListBox>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
VirtualizingStackPanel.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class VirtualizingStackPanel : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public VirtualizingStackPanel()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.Loaded += new RoutedEventHandler(VirtualizingStackPanel_Loaded);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
void VirtualizingStackPanel_Loaded(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
List<string> items = new List<string>();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
for (int i = 0; i < 3000; i++)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
items.Add(i.ToString().PadLeft(10, '0'));
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
listBox.ItemsSource = items;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
OK
[源码下载]
[源码下载]
稳扎稳打Silverlight(35) - 3.0控件之ChildWindow, SaveFileDialog, HeaderedItemsControl, VirtualizingStackPanel
作者:webabcd
介绍
Silverlight
3.0 控件一览:
ChildWindow - 用于在父窗体前弹出一个的子窗体
SaveFileDialog - 用户发起的保存文件对话框(OpenFileDialog - 打开文件对话框)
HeaderedItemsControl - 呈现标题和集合数据的控件
VirtualizingStackPanel - 虚拟化的 StackPanel(即仅生成需要显示的 UI 元素。当绑定了大量数据,而某时仅显示其中一小部分的时候,使用此控件则可大幅提高呈现效率)
在线DEMO
/article/4589629.html
示例
1、演示
ChildWindow 的应用
ChildWindowDemo.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page x:Class="Silverlight30.Control.ChildWindowDemo"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="ChildWindowDemo Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnChildWindow" Content="Show ChildWindow" Click="btnChildWindow_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnCustomChildWindow" Content="Show CustomChildWindow" Click="btnCustomChildWindow_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock x:Name="lblResult" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
ChildWindowDemo.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class ChildWindowDemo : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public ChildWindowDemo()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnChildWindow_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow - 在父窗体前显示的子窗体
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Title - 子窗体的标题
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Content - 子窗体的内容
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* HasCloseButton - 子窗体上是否要有关闭按钮(右上角的 ×)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OverlayBrush - 子窗体打开后,覆盖在父窗体上的 Brush
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OverlayOpacity - 子窗体打开后,覆盖在父窗体上的 Brush 的不透明度
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Width - 子窗体的宽
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Height - 子窗体的高
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Closed事件 - 子窗体关闭后所触发的事件
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Show() - 打开(显示)子窗体
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
ChildWindow child = new ChildWindow();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Title = "标题";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Content = "内容";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.HasCloseButton = true;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.OverlayBrush = new SolidColorBrush(Colors.Red);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.OverlayOpacity = 0.3;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Width = 320;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Height = 240;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Show();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
void child_Closed(object sender, EventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DialogResult - 子窗体传递回来的一个 bool? 值(可以用来描述在子窗体中是单击了“确定”按钮还是“取消”按钮)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DataContext - 子窗体传递回来的数据上下文
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CustomChildWindow child = sender as CustomChildWindow;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
MessageBox.Show(string.Format("DialogResult:{0}; DataContext:{1}", child.DialogResult, child.DataContext));
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnCustomChildWindow_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
CustomChildWindow child = new CustomChildWindow();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Closed += new EventHandler(child_Closed);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
child.Show();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
CustomChildWindow.xaml(自定义子窗体)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:ChildWindow x:Class="Silverlight30.Control.CustomChildWindow"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Width="320" Height="240"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="我是标题">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot" Margin="2">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid.RowDefinitions>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<RowDefinition />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<RowDefinition Height="Auto" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid.RowDefinitions>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="CancelButton" Content="Cancel" Click="CancelButton_Click" Width="75" Height="23" HorizontalAlignment="Right" Margin="0,12,0,0" Grid.Row="1" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="OKButton" Content="OK" Click="OKButton_Click" Width="75" Height="23" HorizontalAlignment="Right" Margin="0,12,79,0" Grid.Row="1" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:ChildWindow>
CustomChildWindow.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class CustomChildWindow : System.Windows.Controls.ChildWindow
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public CustomChildWindow()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void OKButton_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DialogResult - 传递给父窗体的一个 bool? 值(可以用来描述在子窗体中是单击了“确定”按钮还是“取消”按钮)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ChildWindow.DataContext - 传递给父窗体的数据上下文
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DataContext = "点击了 OK 按钮";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DialogResult = true;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void CancelButton_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DataContext = "点击了 Cancel 按钮";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.DialogResult = false;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
2、SaveFileDialog
和 OpenFileDialog 的演示
SaveFileDialogDemo.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page x:Class="Silverlight30.Control.SaveFileDialogDemo"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="SaveFileDialog Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBox x:Name="txtInfo" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnSave" Content="保存" Click="btnSave_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Button x:Name="btnLoad" Content="载入" Click="btnLoad_Click" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</StackPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
SaveFileDialogDemo.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.IO;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Text;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class SaveFileDialogDemo : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public SaveFileDialogDemo()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnSave_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* SaveFileDialog - 用户发起的保存文件对话框
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Filter - 指定保存文件的描述信息及文件类型(出现在对话框的“保存类型”下拉列表中)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* DefaultExt - 当指定保存文件类型为 *.* 时的默认扩展名
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* FilterIndex - 默认的保存类型在 Filter 中的索引(注意:索引从 1 开始)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ShowDialog() - 显示保存文件对话框。用户在对话框中单击“保存”则返回 true;单击“取消”或关闭对话框则返回 false
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OpenFile() - 打开用户选择的文件,并返回文件流
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
SaveFileDialog dialog = new SaveFileDialog();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dialog.Filter = "Text Files|*.txt|Log Files|*.log|All Files|*.*";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dialog.FilterIndex = 1;
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
bool? result = dialog.ShowDialog();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (result == true)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using (Stream stream = dialog.OpenFile())
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
byte[] info = Encoding.UTF8.GetBytes(txtInfo.Text);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
stream.Write(info, 0, info.Length);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
txtInfo.Text = "";
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
private void btnLoad_Click(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
/*
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* OpenFileDialog - 打开文件对话框
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Filter - 同 SaveFileDialog
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* FilterIndex - 同 SaveFileDialog
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* ShowDialog() - 显示打开文件对话框。用户在对话框中单击“打开”则返回 true;单击“取消”或关闭对话框则返回 false
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* File - 返回用户所选择文件的的 FileInfo 对象
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Multiselect - 选择文件时可否多选
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
* Files - 返回用户所选择文件的的 FileInfo 对象集合
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
*/
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
OpenFileDialog dialog = new OpenFileDialog();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
dialog.Filter = "Text Files|*.txt";
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
if (dialog.ShowDialog() == true)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
using (FileStream fs = dialog.File.OpenRead())
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
byte[] buffer = new byte[fs.Length];
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
fs.Read(buffer, 0, buffer.Length);
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
txtInfo.Text = Encoding.UTF8.GetString(buffer, 0, buffer.Length);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
3、演示
HeaderedItemsControl 的使用
HeaderedItemsControl.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page xmlns:controls="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls" x:Class="Silverlight30.Control.HeaderedItemsControl"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="HeaderedItemsControl Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<!--
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl - 呈现标题和集合数据的控件
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl.Header, HeaderedItemsControl.HeaderTemplate - 用于显示标题
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl.Items, HeaderedItemsControl.ItemTemplate - 用于显示集合数据
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
-->
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:HeaderedItemsControl x:Name="headeredItemsControl" >
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:HeaderedItemsControl.Header>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock Text="Header" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:HeaderedItemsControl.Header>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<controls:HeaderedItemsControl.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock Text="{Binding}" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:HeaderedItemsControl.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</controls:HeaderedItemsControl>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
HeaderedItemsControl.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class HeaderedItemsControl : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public HeaderedItemsControl()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.Loaded += new RoutedEventHandler(HeaderedItemsControl_Loaded);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
void HeaderedItemsControl_Loaded(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
List<string> items = new List<string>();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
for (int i = 0; i < 5; i++)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
items.Add(i.ToString().PadLeft(10, '0'));
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
headeredItemsControl.ItemsSource = items;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
4、演示
VirtualizingStackPanel 的应用
VirtualizingStackPanel.xaml
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<navigation:Page x:Class="Silverlight30.Control.VirtualizingStackPanel"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
mc:Ignorable="d"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
xmlns:navigation="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Navigation"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
d:DesignWidth="640" d:DesignHeight="480"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Title="VirtualizingStackPanel Page">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<Grid x:Name="LayoutRoot">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ListBox x:Name="listBox" VerticalAlignment="Top" HorizontalAlignment="Left"
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Height="50" Width="300">
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ListBox.ItemsPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ItemsPanelTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<!--
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
VirtualizingStackPanel - 虚拟化的 StackPanel(即仅生成需要显示的 UI 元素。当绑定了大量数据,而某时仅显示其中一小部分的时候,使用此控件则可大幅提高呈现效率)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
Orientation - 数据的排列方式(垂直排列或水平排列)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
-->
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<VirtualizingStackPanel Orientation="Horizontal" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ItemsPanelTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ListBox.ItemsPanel>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<ListBox.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
<TextBlock Text="{Binding}" />
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</DataTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ListBox.ItemTemplate>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</ListBox>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</Grid>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
</navigation:Page>
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
VirtualizingStackPanel.xaml.cs
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Collections.Generic;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Linq;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Net;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Controls;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Documents;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Input;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Media.Animation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Shapes;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
using System.Windows.Navigation;
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
namespace Silverlight30.Control
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public partial class VirtualizingStackPanel : Page
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
public VirtualizingStackPanel()
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
InitializeComponent();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
this.Loaded += new RoutedEventHandler(VirtualizingStackPanel_Loaded);
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
void VirtualizingStackPanel_Loaded(object sender, RoutedEventArgs e)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
List<string> items = new List<string>();
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
for (int i = 0; i < 3000; i++)
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
{
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
items.Add(i.ToString().PadLeft(10, '0'));
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](http://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
listBox.ItemsSource = items;
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
}
![](http://www.cnblogs.com/Images/OutliningIndicators/None.gif)
OK
[源码下载]
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