CentralServerDemo.Viewer.OnPaintBackground C# (CSharp) Method

        protected override void OnPaintBackground(PaintEventArgs e)
        {
            if (bmp != null)
            {
                e.Graphics.DrawImage(bmp, 0, 0, this.ClientRectangle.Width,
                    this.ClientRectangle.Height);
            }
            else
            {
                base.OnPaintBackground(e);
            }
        }