public override void OnMouseUp(RichPictureBox richPictureBox, MouseEventArgs e)
{
newPolygon.Creating = false;
newPolygon = null;
base.OnMouseUp(richPictureBox, e);
}
public override void OnMouseDown(RichPictureBox richPictureBox, MouseEventArgs e)
{
Point point = new Point((int)(e.X / richPictureBox.Zoom - richPictureBox.OffsetX), (int)(e.Y / richPictureBox.Zoom - richPictureBox.OffsetY));
newPolygon = new DrawPolygon(richPictureBox, point.X, point.Y, point.X + 1, point.Y + 1);
AddNewObject(richPictureBox, newPolygon);
lastX = point.X;
lastY = point.Y;
}
