private void Ellipse_MouseUp(object sender, MouseButtonEventArgs e)
{
System.Windows.Shapes.Ellipse item = sender as System.Windows.Shapes.Ellipse;
if (!changemode && item.IsMouseCaptured) //如果是上色模式就不執行
{
timershow.Stop();
timersec.Stop();
item.ReleaseMouseCapture();
Canvas.SetZIndex(item, 0); //物體位置回歸水平
mouseX = -1;
mouseY = -1;
item.SetValue(Canvas.LeftProperty, oldpositionX); //轉完自動歸位圓圈
item.SetValue(Canvas.TopProperty, oldpositionY); //
}
}