IltmmPlay::get_SourceVideoType Example for C

LPTSTR OLE2T(LPCOLESTR lpw) 
{ 
   static TCHAR lpt[512]; 
 
   if(!lpw) 
      return NULL; 
 
   lpt[0] = _T('\0'); 
 
   WideCharToMultiByte(CP_ACP, 0, lpw, -1, lpt, 512, NULL, NULL); 
 
   return lpt; 
} 
 
void IltmmPlay_get_SourceVideoType_Example (IltmmPlay* pPlay) 
{ 
   BSTR     bstrSourceVideoType;  
   char     szSourceVideoType[256];  
 
   IltmmPlay_get_SourceVideoType(pPlay, &bstrSourceVideoType);  
 
   strcpy(szSourceVideoType, "Source Video Type GUID is "); 
 
   strcat(szSourceVideoType, OLE2T(bstrSourceVideoType));  
 
   MessageBox(NULL, szSourceVideoType, NULL, MB_OK);  
 
   SysFreeString(bstrSourceVideoType); 
} 
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