private void adjustTextPositionByPoint(TextBlock txt, Point pt, DeviceBase dev)
{
int flag = PointInLine(pt, dev);
switch (flag)
{
case 0:
txt.SetValue(Canvas.LeftProperty, pt.X);
txt.SetValue(Canvas.TopProperty, pt.Y - txt.ActualHeight - 10);
break;
case 1:
txt.SetValue(Canvas.LeftProperty, pt.X - txt.ActualWidth - 20);
txt.SetValue(Canvas.TopProperty, pt.Y);
break;
case 2:
txt.SetValue(Canvas.LeftProperty, pt.X);
txt.SetValue(Canvas.TopProperty, pt.Y + dev.GetTxtHeight());
break;
case 3:
txt.SetValue(Canvas.LeftProperty, pt.X);
txt.SetValue(Canvas.TopProperty, pt.Y);
break;
}
}
