private void OnChartMouseUp(object sender, MouseEventArgs e)
{
try
{
if (this.padSplit)
this.padSplit = false;
foreach (Pad pad in this.pads)
{
if (pad.X1 <= e.X && e.X <= pad.X2 && pad.Y1 <= e.Y && e.Y <= pad.Y2)
pad.MouseUp(e);
}
Invalidate();
}
catch
{
}
}