private void DrawingBoardPictureBox_MouseUp(object sender, MouseEventArgs e)
 {
     shapesDrawer.FinishPoint = new Point(e.X, e.Y);
     shapesListManager.Add(shapesDrawer.CreateFigure());
     shapesDrawer.DrawShapeList(shapesListManager.GetList());
     shapesListManager.RefreshFormShapesList(CurrentShapesListBox);
 }