private void MouseDown(object sender, MouseEventArgs e)
{
UndoService.BeginTransaction("Effect mouse down event.");
if (e.Button == MouseButtons.Left)
{
_lastPoint.X = Cursor.Position.X;
_lastPoint.Y = Cursor.Position.Y;
}
UndoService.AddAction(new EffectMouseEventAction(_layerCtrl));
}
