WPF 中，动态创建Button，并使Button得样式按照自定义的Resource样式显示
2014-12-22 16:41
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第一步：自定义一个Button的样式
1.新建一个xaml文件，在其中自定义好自己的Resources
这个Resource 的根节点是
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"></ResourceDictionary>
2.然后在根节点中写入自己要定义的样式，
注意，在对应特定控件的样式中，要写入 TargetType 对应于要设置样式的控件，如：
TargetType="{x:Type Button}"，并且对样式写上x:key= 以便查找：
入下面一个例子：
<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Classic"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Style x:Key="GlassYButton" TargetType="{x:Type Button}">
<Setter Property="SnapsToDevicePixels" Value="True"/>
<Setter Property="OverridesDefaultStyle" Value="True"/>
<Setter Property="FontSize" Value="15" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Grid>
<!-- Background Layer -->
<Ellipse Fill="{TemplateBinding Background}"/>
<!-- Refraction Layer -->
<Ellipse x:Name="RefractionLayer">
<Ellipse.Fill>
<RadialGradientBrush GradientOrigin="0.496,1.052">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="1.5" ScaleY="1.5"/>
<TranslateTransform X="0.02" Y="0.3"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#00000000"/>
<GradientStop Offset="0.4" Color="#FFFFFFFF"/>
</RadialGradientBrush>
</Ellipse.Fill>
</Ellipse>
<!-- Reflection Layer -->
<Path x:Name="ReflectionLayer" VerticalAlignment="Top" Stretch="Fill">
<Path.RenderTransform>
<ScaleTransform ScaleY="0.5" />
</Path.RenderTransform>
<Path.Data>
<PathGeometry>
<PathFigure IsClosed="True" StartPoint="98.999,45.499">
<BezierSegment Point1="98.999,54.170" Point2="89.046,52.258" Point3="85.502,51.029"/>
<BezierSegment
IsSmoothJoin="True"
Point1="75.860,47.685"
Point2="69.111,45.196"
Point3="50.167,45.196"/>
<BezierSegment Point1="30.805,45.196" Point2="20.173,47.741" Point3="10.665,51.363"/>
<BezierSegment
IsSmoothJoin="True"
Point1="7.469,52.580"
Point2="1.000,53.252"
Point3="1.000,44.999"/>
<BezierSegment Point1="1.000,39.510" Point2="0.884,39.227" Point3="2.519,34.286"/>
<BezierSegment
IsSmoothJoin="True"
Point1="9.106,14.370"
Point2="27.875,0"
Point3="50,0"/>
<BezierSegment Point1="72.198,0" Point2="91.018,14.466" Point3="97.546,34.485"/>
<BezierSegment
IsSmoothJoin="True"
Point1="99.139,39.369"
Point2="98.999,40.084"
Point3="98.999,45.499"/>
</PathFigure>
</PathGeometry>
</Path.Data>
<Path.Fill>
<RadialGradientBrush GradientOrigin="0.498,0.526">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1"
ScaleY="1.997"/>
<TranslateTransform X="0" Y="0.5"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#FFFFFFFF"/>
<GradientStop Offset="0.85" Color="#92FFFFFF"/>
<GradientStop Offset="0" Color="#00000000"/>
</RadialGradientBrush>
</Path.Fill>
</Path>
<!-- ContentPresenter -->
<ContentPresenter Margin="0,2,0,0" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="RefractionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.496,1.052">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1.5"
ScaleY="1.5"/>
<TranslateTransform X="0.02" Y="0.3"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#00000000"/>
<GradientStop Offset="0.45" Color="#FFFFFFFF"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="ReflectionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.498,0.526">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1"
ScaleY="1.997"/>
<TranslateTransform X="0" Y="0.5"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#FFFFFFFF"/>
<GradientStop Offset="0.85" Color="#BBFFFFFF"/>
<GradientStop Offset="0" Color="#00000000"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="RefractionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.496,1.052">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1.5"
ScaleY="1.5"/>
<TranslateTransform X="0.02" Y="0.3"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#00000000"/>
<GradientStop Offset="0.3" Color="#FFFFFFFF"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="ReflectionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.498,0.526">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1"
ScaleY="1.997"/>
<TranslateTransform X="0" Y="0.5"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#CCFFFFFF"/>
<GradientStop Offset="0.85" Color="#66FFFFFF"/>
<GradientStop Offset="0" Color="#00000000"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ResourceDictionary>
2.
第二步：在项目的配置文件 App.xaml 中配置 自定义Resources
在 App.xml根节点下面建立一个 <Application.Resources>，其中定义ResourceDictionary节点
在其中配置自己定义的Resources，例如：
<Application x:Class="PaperOfficerPro.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" StartupUri="MainWindow.xaml">
<Application.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="Resource/ButtonResource.xaml"></ResourceDictionary>
<ResourceDictionary Source="Resource/ExpanderStyleResource.xaml"></ResourceDictionary>
<ResourceDictionary Source="Resource/GlassButtonStyle.xaml"></ResourceDictionary>
<ResourceDictionary Source="Resource/DataGridResource.xaml"></ResourceDictionary>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
</Application>
第三步：在页面的后台写程序动态生成Button,
这里的实例是，检索数据库，根据检索的数据动态生成一个按钮，按钮的个数是检索出来的数据的条数
例如：
private void initCourseButton()
{
PaperDBHelper.ConnectDB();
String sql = "select keyID ,courseID,courseName from course order by keyID ";
DataSet courseDS = PaperDBHelper.GetDataSet(CommandType.Text, sql, null);
DataTable dt = courseDS.Tables[0];
for (int i = 0; i < dt.Rows.Count; i++) //for循环检索出来的数据，生成Button
{
Button button = new Button();
button.Content = dt.Rows[i]["courseName"]; //Button按钮上的显示内容为数据库中的一个字段值
button.Width = 80;
button.Height = 50;
button.Margin = new Thickness(0 + i * 80, 507, 560 - i * 120, 4);//动态生成Button的位置
button.Name = "button" + (i + 1);//动态生成Button的Name
button.SetResourceReference(StyleProperty, "GlassYButton");//将自定义的样式赋值给Button
//的相应属性，第一个参数是第一步中的Resource是定义的Button的Style，因此第一个参数为StyleProperty
//意思是赋值给style这个属性，第二个参数是样式中的x:key的值
button.Click += new RoutedEventHandler(btnEvent_Click);//为动态生成的Button添加事件
this.ButtonGrid.Children.Add(button);//注意，最后要将自定义的Button控件加入到页面中包含它
//的容器中
this.ButtonGrid.RegisterName("button" + (i + 1), button);//注册button的名称
}
}
1.新建一个xaml文件，在其中自定义好自己的Resources
这个Resource 的根节点是
<ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"></ResourceDictionary>
2.然后在根节点中写入自己要定义的样式，
注意，在对应特定控件的样式中，要写入 TargetType 对应于要设置样式的控件，如：
TargetType="{x:Type Button}"，并且对样式写上x:key= 以便查找：
入下面一个例子：
<ResourceDictionary
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Classic"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<Style x:Key="GlassYButton" TargetType="{x:Type Button}">
<Setter Property="SnapsToDevicePixels" Value="True"/>
<Setter Property="OverridesDefaultStyle" Value="True"/>
<Setter Property="FontSize" Value="15" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type Button}">
<Grid>
<!-- Background Layer -->
<Ellipse Fill="{TemplateBinding Background}"/>
<!-- Refraction Layer -->
<Ellipse x:Name="RefractionLayer">
<Ellipse.Fill>
<RadialGradientBrush GradientOrigin="0.496,1.052">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform CenterX="0.5" CenterY="0.5" ScaleX="1.5" ScaleY="1.5"/>
<TranslateTransform X="0.02" Y="0.3"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#00000000"/>
<GradientStop Offset="0.4" Color="#FFFFFFFF"/>
</RadialGradientBrush>
</Ellipse.Fill>
</Ellipse>
<!-- Reflection Layer -->
<Path x:Name="ReflectionLayer" VerticalAlignment="Top" Stretch="Fill">
<Path.RenderTransform>
<ScaleTransform ScaleY="0.5" />
</Path.RenderTransform>
<Path.Data>
<PathGeometry>
<PathFigure IsClosed="True" StartPoint="98.999,45.499">
<BezierSegment Point1="98.999,54.170" Point2="89.046,52.258" Point3="85.502,51.029"/>
<BezierSegment
IsSmoothJoin="True"
Point1="75.860,47.685"
Point2="69.111,45.196"
Point3="50.167,45.196"/>
<BezierSegment Point1="30.805,45.196" Point2="20.173,47.741" Point3="10.665,51.363"/>
<BezierSegment
IsSmoothJoin="True"
Point1="7.469,52.580"
Point2="1.000,53.252"
Point3="1.000,44.999"/>
<BezierSegment Point1="1.000,39.510" Point2="0.884,39.227" Point3="2.519,34.286"/>
<BezierSegment
IsSmoothJoin="True"
Point1="9.106,14.370"
Point2="27.875,0"
Point3="50,0"/>
<BezierSegment Point1="72.198,0" Point2="91.018,14.466" Point3="97.546,34.485"/>
<BezierSegment
IsSmoothJoin="True"
Point1="99.139,39.369"
Point2="98.999,40.084"
Point3="98.999,45.499"/>
</PathFigure>
</PathGeometry>
</Path.Data>
<Path.Fill>
<RadialGradientBrush GradientOrigin="0.498,0.526">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1"
ScaleY="1.997"/>
<TranslateTransform X="0" Y="0.5"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#FFFFFFFF"/>
<GradientStop Offset="0.85" Color="#92FFFFFF"/>
<GradientStop Offset="0" Color="#00000000"/>
</RadialGradientBrush>
</Path.Fill>
</Path>
<!-- ContentPresenter -->
<ContentPresenter Margin="0,2,0,0" HorizontalAlignment="Center" VerticalAlignment="Center"/>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="IsMouseOver" Value="True">
<Setter TargetName="RefractionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.496,1.052">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1.5"
ScaleY="1.5"/>
<TranslateTransform X="0.02" Y="0.3"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#00000000"/>
<GradientStop Offset="0.45" Color="#FFFFFFFF"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="ReflectionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.498,0.526">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1"
ScaleY="1.997"/>
<TranslateTransform X="0" Y="0.5"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#FFFFFFFF"/>
<GradientStop Offset="0.85" Color="#BBFFFFFF"/>
<GradientStop Offset="0" Color="#00000000"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
</Trigger>
<Trigger Property="IsPressed" Value="True">
<Setter TargetName="RefractionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.496,1.052">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1.5"
ScaleY="1.5"/>
<TranslateTransform X="0.02" Y="0.3"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#00000000"/>
<GradientStop Offset="0.3" Color="#FFFFFFFF"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="ReflectionLayer" Property="Fill">
<Setter.Value>
<RadialGradientBrush GradientOrigin="0.498,0.526">
<RadialGradientBrush.RelativeTransform>
<TransformGroup>
<ScaleTransform
CenterX="0.5"
CenterY="0.5"
ScaleX="1"
ScaleY="1.997"/>
<TranslateTransform X="0" Y="0.5"/>
</TransformGroup>
</RadialGradientBrush.RelativeTransform>
<GradientStop Offset="1" Color="#CCFFFFFF"/>
<GradientStop Offset="0.85" Color="#66FFFFFF"/>
<GradientStop Offset="0" Color="#00000000"/>
</RadialGradientBrush>
</Setter.Value>
</Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
</ResourceDictionary>
2.
第二步：在项目的配置文件 App.xaml 中配置 自定义Resources
在 App.xml根节点下面建立一个 <Application.Resources>，其中定义ResourceDictionary节点
在其中配置自己定义的Resources，例如：
<Application x:Class="PaperOfficerPro.App"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" StartupUri="MainWindow.xaml">
<Application.Resources>
<ResourceDictionary>
<ResourceDictionary.MergedDictionaries>
<ResourceDictionary Source="Resource/ButtonResource.xaml"></ResourceDictionary>
<ResourceDictionary Source="Resource/ExpanderStyleResource.xaml"></ResourceDictionary>
<ResourceDictionary Source="Resource/GlassButtonStyle.xaml"></ResourceDictionary>
<ResourceDictionary Source="Resource/DataGridResource.xaml"></ResourceDictionary>
</ResourceDictionary.MergedDictionaries>
</ResourceDictionary>
</Application.Resources>
</Application>
第三步：在页面的后台写程序动态生成Button,
这里的实例是，检索数据库，根据检索的数据动态生成一个按钮，按钮的个数是检索出来的数据的条数
例如：
private void initCourseButton()
{
PaperDBHelper.ConnectDB();
String sql = "select keyID ,courseID,courseName from course order by keyID ";
DataSet courseDS = PaperDBHelper.GetDataSet(CommandType.Text, sql, null);
DataTable dt = courseDS.Tables[0];
for (int i = 0; i < dt.Rows.Count; i++) //for循环检索出来的数据，生成Button
{
Button button = new Button();
button.Content = dt.Rows[i]["courseName"]; //Button按钮上的显示内容为数据库中的一个字段值
button.Width = 80;
button.Height = 50;
button.Margin = new Thickness(0 + i * 80, 507, 560 - i * 120, 4);//动态生成Button的位置
button.Name = "button" + (i + 1);//动态生成Button的Name
button.SetResourceReference(StyleProperty, "GlassYButton");//将自定义的样式赋值给Button
//的相应属性，第一个参数是第一步中的Resource是定义的Button的Style，因此第一个参数为StyleProperty
//意思是赋值给style这个属性，第二个参数是样式中的x:key的值
button.Click += new RoutedEventHandler(btnEvent_Click);//为动态生成的Button添加事件
this.ButtonGrid.Children.Add(button);//注意，最后要将自定义的Button控件加入到页面中包含它
//的容器中
this.ButtonGrid.RegisterName("button" + (i + 1), button);//注册button的名称
}
}
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