private void Thumb_DragDelta( object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
{
Thumb myThumb = (Thumb )sender;
double nTop = Canvas .GetTop(myThumb) + e.VerticalChange;
double nLeft = Canvas .GetLeft(myThumb) + e.HorizontalChange;
Canvas.SetTop(myThumb, nTop);
Canvas.SetLeft(myThumb, nLeft);
tt.Text = "Top:" + nTop.ToString() + "\nLeft:" + nLeft.ToString();
}
private void Thumb_DragStarted(object sender, DragStartedEventArgs e)
{
tt.Text = "哈哈 这个玩意可以拖" ;
}
private void Thumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
tt.Text = "终于拖结束了" ;
}