The IDirectDrawVideoPort::UpdateVideo method updates parameters that govern the flow of video data from the video-port to the DirectDrawSurface object.
HRESULT UpdateVideo(
LPDDVIDEOPORTINFO lpVideoInfo
);
If the method succeeds, the return value is DD_OK.
If the method fails, the return value may be one of the following error values:
DDERR_INVALIDOBJECT |
DDERR_INVALIDPARAMS |
Windows NT: Use version 5.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in dvp.h.
Import Library: Use ddraw.lib.
IDirectDrawVideoPort::SetTargetSurface, IDirectDrawVideoPort::StartVideo, IDirectDrawVideoPort::StopVideo