AdvancedLauncher.Tools.Interop.HwndSourceHost.OnRender C# (CSharp) Method

        protected override void OnRender(System.Windows.Media.DrawingContext drawingContext)
        {
            // Draw something so that rendering does something.  This
            // is part of the fix for rendering artifacts, see WndProc
            // hooking WM_WINDOWPOSCHANGED too.
            //
            // TODO: this actually makes things worse!  At least on my home machine...
            if (Background != null) {
                drawingContext.DrawRectangle(Background, null, new Rect(RenderSize));
            }

            base.OnRender(drawingContext);
        }