tunerequest.cpp File Reference

#include "precomp.h"

Include dependency graph for tunerequest.cpp:

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Classes
class	CTuneRequest

Functions
HRESULT WINAPI	CTuneRequest_fnConstructor (IUnknown *pUnknown, ITuningSpace *TuningSpace, REFIID riid, LPVOID *ppv)

Function Documentation

CTuneRequest_fnConstructor()

HRESULT WINAPI CTuneRequest_fnConstructor	(	IUnknown *	pUnknown,
		ITuningSpace *	TuningSpace,
		REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 303 of file tunerequest.cpp.

{
    // construct device control
    CTuneRequest * request = new CTuneRequest(TuningSpace);
 
#ifdef MSVIDCTL_TRACE
    WCHAR Buffer[MAX_PATH];
    LPOLESTR lpstr;
    StringFromCLSID(riid, &lpstr);
    swprintf(Buffer, L"CTuneRequest_fnConstructor riid %s pUnknown %p\n", lpstr, pUnknown);
    OutputDebugStringW(Buffer);
#endif
 
    if (!request)
        return E_OUTOFMEMORY;
 
    if (FAILED(request->QueryInterface(riid, ppv)))
    {
        /* not supported */
        delete request;
        return E_NOINTERFACE;
    }
 
    return NOERROR;
}

Referenced by CTuningSpace::CreateTuneRequest().