程式 . 生活 . D小調

<UserControl

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:i="http://schemas.microsoft.com/expression/2010/interactivity" 

xmlns:ei="http://schemas.microsoft.com/expression/2010/interactions" 

x:Class="DragSample.MainPage"

Width="640" Height="480">

<Grid x:Name="LayoutRoot" Background="Black"  Width="640" Height="480"   >

<Canvas x:Name="cvsSnapShop" MouseMove="SnapShop_MouseMove" >

<Image HorizontalAlignment="Left" Margin="102,48,0,202" Width="150"  Source="avr.jpg" >

<i:Interaction.Behaviors>

<ei:MouseDragElementBehavior/>

</i:Interaction.Behaviors>

</Image>

<Image HorizontalAlignment="Left"  Width="150"  Source="van.jpg" Canvas.Left="274" Canvas.Top="140">

<i:Interaction.Behaviors>

<ei:MouseDragElementBehavior/>

</i:Interaction.Behaviors>

</Image>

<Image HorizontalAlignment="Right" Margin="0,0,0,0" Width="150"  Source="avr.png" Canvas.Left="60" Canvas.Top="305">

<i:Interaction.Behaviors>

<ei:MouseDragElementBehavior/>

</i:Interaction.Behaviors>

</Image>

</Canvas>

<Image Height="120" HorizontalAlignment="Right" Margin="0,0,0,0" Name="imgSync" Stretch="Fill" VerticalAlignment="Bottom" Width="160" />

</Grid>

</UserControl>

private void SnapShop_MouseMove(object sender, MouseEventArgs e)

{

//可被寫入的Bitmap 

//在Ctor 時傳入 cvsSnapShop物件

WriteableBitmap bitmap = new WriteableBitmap(cvsSnapShop, null);

//顯示快照的結果

this.imgSync.Source = bitmap;

}