Find control position on canvas
Here some examples how to get the values:
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.aspx and http://msdn.microsoft.com/en-us/library/system.windows.controls.canvas.top.aspx for more information