wpf学习笔记---Canvas
2007-03-04 16:59 Clingingboy 阅读(8316) 评论(1) 编辑 收藏 举报
继续发. Canvas为容器控件,用于定位
1.基本应用
2.当同时设置left和right,top和bottom,以left和top为准
3.重叠深度设置
1.基本应用
<Border HorizontalAlignment="Left" VerticalAlignment="Top" BorderBrush="Black" BorderThickness="2">
<Canvas Background="LightBlue" Width="400" Height="400">
<Button Canvas.Top="50">Canvas.Top="50"</Button>
<Button Canvas.Bottom="50">Canvas.Bottom="50"</Button>
<Button Canvas.Left="50">Canvas.Left="50"</Button>
<Button Canvas.Right="50">Canvas.Right="50"</Button>
</Canvas>
</Border>
<Canvas Background="LightBlue" Width="400" Height="400">
<Button Canvas.Top="50">Canvas.Top="50"</Button>
<Button Canvas.Bottom="50">Canvas.Bottom="50"</Button>
<Button Canvas.Left="50">Canvas.Left="50"</Button>
<Button Canvas.Right="50">Canvas.Right="50"</Button>
</Canvas>
</Border>
2.当同时设置left和right,top和bottom,以left和top为准
3.重叠深度设置
<Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas.Left="100" Fill="blue"/>
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="150" Canvas.Left="150" Fill="yellow"/>
<Rectangle Canvas.ZIndex="2" Width="100" Height="100" Canvas.Top="200" Canvas.Left="200" Fill="green"/>
<!-- Reverse the order to illustrate z-index property -->
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="300" Canvas.Left="200" Fill="green"/>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="350" Canvas.Left="150" Fill="yellow"/>
<Rectangle Canvas.ZIndex="2" Width="100" Height="100" Canvas.Top="400" Canvas.Left="100" Fill="blue"/>
</Canvas>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="100" Canvas.Left="100" Fill="blue"/>
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="150" Canvas.Left="150" Fill="yellow"/>
<Rectangle Canvas.ZIndex="2" Width="100" Height="100" Canvas.Top="200" Canvas.Left="200" Fill="green"/>
<!-- Reverse the order to illustrate z-index property -->
<Rectangle Canvas.ZIndex="1" Width="100" Height="100" Canvas.Top="300" Canvas.Left="200" Fill="green"/>
<Rectangle Canvas.ZIndex="3" Width="100" Height="100" Canvas.Top="350" Canvas.Left="150" Fill="yellow"/>
<Rectangle Canvas.ZIndex="2" Width="100" Height="100" Canvas.Top="400" Canvas.Left="100" Fill="blue"/>
</Canvas>