private void DrawingContest_MouseMove(object sender, MouseEventArgs e) { Invalidate(); if (Helper.IsMouseDown()) { Helper.AddEndPoint(e.X, e.Y); DrawingContest.Refresh(); } }
private void DrawingContest_MouseUp(object sender, MouseEventArgs e) { Helper.OnMouseUp(); Helper.AddEndPoint(e.X, e.Y); DrawingContest.Refresh(); }