IltmmWMProfile::get_Version Example for C++
For complete code, refer to the CNVWM demo.
BOOL DisplaySystemProfiles()
{
// ATL Macro
USES_CONVERSION;
long count = 0;
long streamCount = 0;
long versionNum = 0;
long lVersion;
char data[10];
IltmmWMProfile *pProfile = NULL;
IltmmWMProfileManager *pProfileManager = NULL;
BSTR bstrString;
// Create a profile manager
HRESULT hr = CoCreateInstance(CLSID_ltmmWMProfileManager,
NULL,
CLSCTX_INPROC_SERVER,
IID_IltmmWMProfileManager,
(void**) &pProfileManager);
if(FAILED(hr))
{
return TRUE;
}
// show only system profiles for version ltmmWMT_VER_4_0
pProfileManager->get_SystemProfileVersion (&lVersion);
if(lVersion != ltmmWMT_VER_4_0)
{
pProfileManager->Release();
return TRUE;
}
hr = pProfileManager->get_SystemProfileCount (&count);
if(FAILED(hr))
{
pProfileManager->Release();
return TRUE;
}
for(int i = 0; i < count; i++)
{
hr = pProfileManager->LoadSystemProfile (i, &pProfile);
if(FAILED(hr))
{
pProfileManager->Release();
return TRUE;
}
// Display the name...
pProfile->get_Name (&bstrString);
cout << OLE2A(bstrString);
SysFreeString(bstrString);
// Add the description, version and the stream count
pProfile->get_Description (&bstrString);
cout << OLE2A(bstrString);
SysFreeString(bstrString);
pProfile->get_Version(&versionNum);
switch(versionNum)
{
case ltmmWMT_VER_4_0:
cout << "ltmmWMT_VER_4_0";
break;
case ltmmWMT_VER_7_0:
cout << "ltmmWMT_VER_7_0";
break;
case ltmmWMT_VER_8_0:
cout << "ltmmWMT_VER_8_0";
break;
case ltmmWMT_VER_9_0:
cout << "ltmmWMT_VER_9_0";
break;
default:
cout << "UNKNOWN";
break;
};
// Display the number of streams
pProfile->get_StreamCount (&streamCount);
cout << ltoa(streamCount, data, 10);
pProfile->Release();
pProfile = NULL;
}
pProfileManager->Release();
pProfileManager = NULL;
return TRUE;
}