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| Microsoft DirectShow 9.0 |
IAMTVTuner::get_VideoFrequency
The get_VideoFrequency method retrieves the current video frequency.
Syntax
HRESULT get_VideoFrequency( long *lFreq );
Parameters
lFreq
[out] Pointer to a variable that receives the video frequency, in hertz (Hz).
Return Values
Returns an HRESULT value that depends on the implementation of the interface.
This is a diagnostic method that enables you to examine the exact frequency being used for a given channel.
Requirements
Header: Declared in Strmif.h; include Dshow.h.
Library: Use Strmiids.lib.
See Also