Windows Phone Canvas

效果

XAML

01:  <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0">
02:              <Canvas Name="canvas1" HorizontalAlignment="Center" 
03:                  VerticalAlignment="Top" Width="400" Height="400">
04:                  <Ellipse Name="greenBall" Fill="#00FF00" Canvas.Left="150" Canvas.Top="145" 
05:                          Height="100" Stroke="Black" StrokeThickness="1" Width="100" />
06:                  <Ellipse Name="redBall"  Fill="Red" Canvas.Left="26" Canvas.Top="177" 
07:                          Height="150" Stroke="Black" StrokeThickness="1" Width="150" />
08:              </Canvas>
09:  
10:              <Button Content="^" Height="72" HorizontalAlignment="Left" Margin="191,442,0,0" Name="btnUp" VerticalAlignment="Top" Width="80" Click="btnUp_Click" />
11:              <Button Content="&lt;" Height="72" HorizontalAlignment="Left" Margin="120,504,0,0" Name="btnLeft" VerticalAlignment="Top" Width="80" Click="btnLeft_Click" />
12:              <Button Content="&gt;" Height="72" HorizontalAlignment="Left" Margin="266,504,0,0" Name="btnRight" VerticalAlignment="Top" Width="80" Click="btnRight_Click" />
13:              <Button Content="+" Height="72" HorizontalAlignment="Left" Margin="191,504,0,0" Name="btnDown" VerticalAlignment="Top" Width="80" Click="btnDown_Click" />
14:              <Button Content="Z+" Height="72" HorizontalAlignment="Left" Margin="371,442,0,0" Name="btnUpZ" VerticalAlignment="Top" Width="80" IsEnabled="True" Click="btnUpZ_Click" />
15:              <Button Content="Z-" Height="72" HorizontalAlignment="Left" IsEnabled="True" Margin="371,504,0,0" Name="btnDownZ" VerticalAlignment="Top" Width="80" Click="btnDownZ_Click" />
16:          </Grid>
17:  

CS

01:  //移动greenBall的位置
02:          private void btnLeft_Click(object sender, RoutedEventArgs e)
03:          {
04:              Canvas.SetLeft(greenBall, Canvas.GetLeft(greenBall) - 10);
05:          }
06:          private void btnRight_Click(object sender, RoutedEventArgs e)
07:          {
08:              Canvas.SetLeft(greenBall, Canvas.GetLeft(greenBall) + 10);
09:  
10:          }
11:          private void btnUp_Click(object sender, RoutedEventArgs e)
12:          {
13:              Canvas.SetTop(greenBall, Canvas.GetTop(greenBall) - 10);
14:          }
15:          private void btnDown_Click(object sender, RoutedEventArgs e)
16:          {
17:              Canvas.SetTop(greenBall, Canvas.GetTop(greenBall) + 10);
18:          }
19:  
20:          //改变greenBall的层次
21:          private void btnUpZ_Click(object sender, RoutedEventArgs e)
22:          {
23:              Canvas.SetZIndex(greenBall, 1);
24:          }
25:          private void btnDownZ_Click(object sender, RoutedEventArgs e)
26:          {
27:              Canvas.SetZIndex(greenBall, 0);
28:          }