wpf 在画布上查找控制位置
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Find control position on canvas
提问by user337816
I have a canvas which contains a few textblocks and I need to find the top, left corner points that I assigned them in xaml. How can I get those two properties? When I loop through the framework elements on the canvas I can't seem to find those to properties listed.
我有一个包含一些文本块的画布，我需要找到我在 xaml 中分配给它们的左上角点。我怎样才能获得这两个属性？当我循环浏览画布上的框架元素时，我似乎无法找到列出的属性。
回答by HCL
Here some examples how to get the values:
下面是一些如何获取值的示例：
foreach(FrameworkElement fe in canvas.Children){
// example 0
double top=(double)fe.GetValue(Canvas.TopProperty);
double left=(double)fe.GetValue(Canvas.LeftProperty);
// example 1
double top1=Canvas.GetTop(fe);
double left1=Canvas.GetLeft(fe);
}
See http://msdn.microsoft.com/en-us/library/ms749011.aspxand http://msdn.microsoft.com/en-us/library/system.windows.controls.canvas.top.aspxfor more information
有关 更多信息，请参阅http://msdn.microsoft.com/en-us/library/ms749011.aspx和 http://msdn.microsoft.com/en-us/library/system.windows.controls.canvas.top.aspx信息
回答by user337816
Elegant solution
优雅的解决方案
foreach (FrameworkElement fe in Canvas.Children)
Thickness margin = fe.Margin;
MessageBox.Show("Left: " + margin.Left + "Top: " + margin.Top);
