WPF 自带控件 总结之二

=============================================

ContextMenu

<ListBox>
<ListBox.ContextMenu>
<ContextMenu>
<MenuItem Header="hello" ></MenuItem>
<MenuItem Header="click me" ></MenuItem>
<MenuItem Header="abort me" ></MenuItem>
</ContextMenu>
</ListBox.ContextMenu>
<ListBoxItem>aaa</ListBoxItem>
<ListBoxItem>bbb</ListBoxItem>
<ListBoxItem>ccc</ListBoxItem>
</ListBox>

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TreeView  绑定

       

<Grid>
<Grid.Resources>
<HierarchicalDataTemplate DataType="{x:Type src:LeafNode}"
ItemsSource="{Binding Path=Children}">
<TextBlock Text="{Binding Path=Data}" ToolTip="{Binding Path=Data}"></TextBlock>
</HierarchicalDataTemplate>
</Grid.Resources>
<TreeView x:Name="twLeaf">

</TreeView>
</Grid>

private void InitTree()
{
////init 5 root nodes
List<LeafNode> roots = new List<LeafNode>();

for (int i = 0; i < 5; i++)
{
LeafNode child = new LeafNode() { Data = "root" + i.ToString() };
child.Children = new List<LeafNode>();
roots.Add(child);
////10 children
for (int j = 0; j < 10; j++)
{
LeafNode subChild = new LeafNode() { Data = "son" + j.ToString() };
subChild.Children = new List<LeafNode>();
////15 children
child.Children.Add(subChild);
for (int k = 0; k < 15; k++)
{
LeafNode gs = new LeafNode() { Data = "grantSon" + k.ToString() };
subChild.Children.Add(gs);
}
}
}

twLeaf.ItemsSource = roots;

}

public class LeafNode
{
public string Data { get; set; }
public List<LeafNode> Children { get; set; }
}

==================================================

ToolBar

<ToolBar>
<Button Content="A" Height="24" Width="20"></Button>
<Button Content="B" Height="24" Width="20"></Button>
<Button Content="C" Height="24" Width="20"></Button>
<Button Content="D" Height="24" Width="20"></Button>
</ToolBar>

        

==================================================

Status Bar

      

<StatusBar>
<Label Content="AAA"></Label>
<Button Content="BBB"></Button>
<TextBox Text="CCC"></TextBox>
</StatusBar>

===================================================

PrograssBar

<ProgressBar x:Name="pgTest" Width="200" Height="24" IsIndeterminate="False"></ProgressBar>

private void InitPrograssBar()
{
double max = pgTest.Maximum;
ThreadPool.QueueUserWorkItem(new WaitCallback((o) =>
{

int i = 0;
while (i <= max)
{
Thread.Sleep(200);
pgTest.Dispatcher.Invoke(new Action(() =>
{
pgTest.Value = ++i;
}));
}
}));
}

=====================================================

slider

 

<StackPanel Orientation="Horizontal">
<Slider x:Name="slTest" Width="200" IsSelectionRangeEnabled="True" SelectionStart="20" SelectionEnd="60" ValueChanged="slTest_ValueChanged" Maximum="300" Minimum="0"></Slider>
<Label x:Name="lblSlider"></Label>
<Button x:Name="btnSliderValue" Width="50" Height="24" Content="Val" Click="btnSliderValue_Click"></Button>
</StackPanel>

private void btnSliderValue_Click(object sender, RoutedEventArgs e)
{
MessageBox.Show(slTest.Value.ToString());
}

private void slTest_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
lblSlider.Content = slTest.Value.ToString();
}

=====================================================

InkCanvas

 

<StackPanel>
<InkCanvas Margin="10 0" Background="White" Width="500" Height="100" x:Name="cvs">

</InkCanvas>
<Button x:Name="saveCvs" Content="Save" Width="50" Height="24" Click="saveCvs_Click"></Button>
</StackPanel>

private void saveCvs_Click(object sender, RoutedEventArgs e)
{
string fileN = "D:/1.png";
if (File.Exists(fileN))
{
File.Delete(fileN);
}
//     string  sigPath = System.IO.Path.GetTempFileName();

MemoryStream ms = new MemoryStream();
FileStream fs = new FileStream(fileN, FileMode.Create);

RenderTargetBitmap rtb = new RenderTargetBitmap((int)cvs.Width,
(int)cvs.Height, 0, 0, PixelFormats.Default);
rtb.Render(this.cvs);
BmpBitmapEncoder encoder = new BmpBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(rtb));
encoder.Save(fs);
fs.Close();

}