Set Custom Path Variables Example for C++

HRESULT SetCustomPathVariables(LPCTSTR folder) 
{ 
   HRESULT hr; 
   CComPtr<IltmsPathResolver> resolver; 
   // this function will clear the default variables and set up direct ltmsMediaFolder, ltmsLogFolder, and ltmsConfigFolder variables 
   hr = CoCreateInstance(__uuidof(ltmsPathResolver), NULL, CLSCTX_ALL, __uuidof(IltmsPathResolver), (void**) &resolver); 
   if(FAILED(hr)) 
      goto error; 
   // clear them all 
   hr = resolver->Clear(); 
   if(FAILED(hr)) 
      goto error; 
   // now just define ltmsMediaFolder, ltmsLogFolder, and ltmsConfigFolder 
   hr = resolver->Add(CComBSTR(L"ltmsMediaFolder"), CComBSTR(CString(folder) + _T("\\content"))); 
   if(FAILED(hr)) 
      goto error; 
   hr = resolver->Add(CComBSTR(L"ltmsLogFolder"), CComBSTR(CString(folder) + _T("\\logfiles"))); 
   if(FAILED(hr)) 
      goto error; 
   hr = resolver->Add(CComBSTR(L"ltmsConfigFolder"), CComBSTR(CString(folder) + _T("\\configuration"))); 
   if(FAILED(hr)) 
      goto error; 
   // for demonstration add and remove a folder 
   hr = resolver->Add(CComBSTR(L"TempFolder"), CComBSTR(CString(folder) + _T("\\temp"))); 
   if(FAILED(hr)) 
      goto error; 
   hr = resolver->Remove(CComBSTR(L"TempFolder")); 
   if(FAILED(hr)) 
      goto error; 
error: 
   return hr; 
}