我在我的XAML中有一个矩形,并且想在后台代码中更改它的Canvas.Left
属性:
<UserControl x:Class="Second90.Page"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Width="400" Height="300" KeyDown="txt_KeyDown">
<Canvas>
<Rectangle
Name="theObject"
Canvas.Top="20"
Canvas.Left="20"
Width="10"
Height="10"
Fill="Gray"/>
</Canvas>
</UserControl>
但这不起作用:
private void txt_KeyDown(object sender, KeyEventArgs e)
{
theObject.Canvas.Left = 50;
}
有人知道这样做的语法是什么吗?
发布于 2009-02-12 14:24:06
Canvas.SetLeft(theObject, 50)
发布于 2010-08-17 07:23:11
当我们改变'object‘的属性时,最好使用JaredPar建议的方法:
theObject.SetValue(Canvas.LeftProperty, 50d);
https://stackoverflow.com/questions/541420
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