CloverExamplePOS.DropDownButton.OnPaint C# (CSharp) Méthode

        protected override void OnPaint(PaintEventArgs pevent)
        {
            base.OnPaint(pevent);

            pevent.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;

            // draw box

            Pen borderPen = new Pen(Color.FromArgb(16, 0, 0, 0)); // TODO: needs to be text color
            int ddAreaX = this.Size.Width - 15;
            int ddAreaHeight = this.Size.Height - Padding.Top - Padding.Bottom - 4; // 3 px space on top and bottom
            pevent.Graphics.DrawLine(borderPen, new Point(ddAreaX, 3), new Point(ddAreaX, ddAreaHeight));

            // draw triangle
            int triangleCenterX = ddAreaX + 7;
            int triangleCenterY = this.Size.Height / 2;

            Point[] triangle = new Point[4];
            triangle[0] = new Point(triangleCenterX - 3, triangleCenterY - 2);
            triangle[1] = new Point(triangleCenterX + 3, triangleCenterY - 2);
            triangle[2] = new Point(triangleCenterX, triangleCenterY + 2);
            triangle[3] = triangle[0];
            Brush brush = new SolidBrush(Color.FromArgb(255, 0, 0, 0)); // TODO: needs to be text color
            pevent.Graphics.FillPolygon(brush, triangle);
        }