CodeTV.DirectDraw.WaitForVerticalBlank C# (CSharp) Method

        public void WaitForVerticalBlank()
        {
            if (directDraw != null)
            {
                //int hr = directDraw.WaitForVerticalBlank((int)DDWAITVBFLAGS.BLOCKBEGIN, 0);
                int hr = directDraw.WaitForVerticalBlank((int)DDWAITVBFLAGS.BLOCKBEGIN, 0);
            }
        }