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IDirectDrawVideoPort::GetVideoSignalStatus

This method retrieves the status of the video signal currently being presented to the video port.

HRESULT GetVideoSignalStatus(
  LPDWORD lpdwStatus
); 

Parameters

  • lpdwStatus
    Address of a variable that will contain a return code indicating the quality of the video signal at the video port. The value will be set to one of the following codes.
    Code Description
    DDVPSQ_NOSIGNAL No video signal is present at the video port.
    DDVPSQ_SIGNALOK A valid video signal is present at the video port.

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
DDERR_UNSUPPORTED

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.

 Last updated on Thursday, April 08, 2004

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