Dwarrowdelf.Client.SharpDXHost.WndProc C# (CSharp) Method

        protected override IntPtr WndProc(IntPtr hwnd, int msg, IntPtr wParam, IntPtr lParam, ref bool handled)
        {
            const int WM_NCHITTEST = 0x0084;
            const int HTTRANSPARENT = (-1);

            if (msg == WM_NCHITTEST)
            {
                // pass all mouse events through the hwnd
                handled = true;
                return (IntPtr)HTTRANSPARENT;
            }

            return base.WndProc(hwnd, msg, wParam, lParam, ref handled);
        }