IDirectDrawVideoPort::UpdateVideo

  • 项目

This method updates the 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

Requirements

OS Versions: Windows CE 2.12 and later. Version 2.12 requires DXPAK 1.0 or later.
Header: Dvp.h.
Link Library: Ddraw.lib.

See Also

IDirectDrawVideoPort::SetTargetSurface | IDirectDrawVideoPort::StartVideo | IDirectDrawVideoPort::StopVideo

 Last updated on Thursday, April 08, 2004

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