C / C++ / MFC

brahmma wrote:

Btw.. My 1 too.

MyClass A;<br />
A.funcA();

kitty5 wrote:

..
imageViewer::funcA();

IMoniker *MyClass::GetDSVideoDeviceMonikerByName(LPCTSTR pszName)
{
	IMoniker *pRetMoniker = 0;
 
	ICreateDevEnum *pDevEnum = NULL;
	IEnumMoniker *pEnum = NULL;
 
	// Create the System Device Enumerator.
	HRESULT hr = CoCreateInstance(CLSID_SystemDeviceEnum, NULL,
		CLSCTX_INPROC_SERVER, IID_ICreateDevEnum, 
		reinterpret_cast<void**>(&pDevEnum));
	if (SUCCEEDED(hr))
	{
		// Create an enumerator for the video capture category.
		hr = pDevEnum->CreateClassEnumerator(
			CLSID_VideoInputDeviceCategory,
			&pEnum, 0);
 
		if (pEnum)
		{
			LPMALLOC pIMalloc;
			if (S_OK != ::CoGetMalloc(1, &pIMalloc))
			{
				SAFE_RELEASE(pEnum);
				SAFE_RELEASE(pDevEnum);
				return 0;
			}
 
			TCHAR *pszBuf = new TCHAR[300];
 
			IMoniker *pMoniker = NULL;
			while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
			{
				IPropertyBag *pPropBag;
				hr = pMoniker->BindToStorage(0, 0, IID_IPropertyBag, 
					(void**)(&pPropBag));
				if (FAILED(hr))
				{
					pMoniker->Release();
					continue;  // Skip this one, maybe the next one will work.
				} 
 
 
				// Find the display name.
				LPOLESTR pszDisplayName;
				if (S_OK == pMoniker->GetDisplayName(0,0,&pszDisplayName))
				{
					WideCharToMultiByte(CP_ACP, 0, pszDisplayName, -1, pszBuf, 300, 0, 0);
					pIMalloc->Free(pszDisplayName);
 
					pPropBag->Release();
 
					if (!_tcscmp(pszName, pszBuf))
					{
						pRetMoniker = pMoniker;
						break;
					}
 
					pMoniker->Release();
 
				}  //if (S_OK == pMoniker->GetDisplayName(0,0,&pszDisplayName))
				else
				{
					pPropBag->Release();
					pMoniker->Release();
					continue;  // Skip this one, maybe the next one will work.
				}
			}  //while (pEnum->Next(1, &pMoniker, NULL) == S_OK)
 
			delete[] pszBuf;
			SAFE_RELEASE(pIMalloc);
			SAFE_RELEASE(pEnum);
 
		}  //if (pEnum)
 
		SAFE_RELEASE(pDevEnum);
	}
 
	return pRetMoniker;
}