/// <summary> /// Left nouse button is pressed /// </summary> /// <param name="drawArea"></param> /// <param name="e"></param> public override void OnMouseDown(DrawArea drawArea, MouseEventArgs e) { // Create new polygon, add it to the list // and keep reference to it newPolygon = new DrawPolygon(e.X, e.Y, e.X + 1, e.Y + 1); AddNewObject(drawArea, newPolygon); lastX = e.X; lastY = e.Y; }
/// <summary> /// Clone this instance /// </summary> public override DrawObject Clone() { DrawPolygon drawPolygon = new DrawPolygon(); foreach(Point p in this.pointArray) { drawPolygon.pointArray.Add(p); } FillDrawObjectFields(drawPolygon); return drawPolygon; }
public override void OnMouseUp(DrawArea drawArea, MouseEventArgs e) { newPolygon = null; base.OnMouseUp (drawArea, e); }