### IDirectDrawVideoPort::UpdateVideo

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

);

##### Parameters

lpVideoInfo
  Address of a DDVIDEOPORTINFO structure that describes the video transfer parameters.

##### Return Values

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

##### See Also

IDirectDrawVideoPort::SetTargetSurface, IDirectDrawVideoPort::StartVideo, IDirectDrawVideoPort::StopVideo