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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.
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