public void PointChangedHandler(object sender, ModifiedEventArgs e)
{
if (Changed != null)
{
Changed(this, e);
}
}
//general
private void onChanged(object sender, EventArgs e)
{
this.Refresh();
//update ui
ModifiedEventArgs args = e as ModifiedEventArgs;
if (args != null && (args.Action == Action.Cleared ||
(args.Action == Action.Removed && _selection.Contains(args.Point))))
{
Selection = null;
}
else
{
RaiseGradientChanged();
}
}