Re: From UNC pathname to driveletter

This will enumerate the local network maps and you can see what drive letter
is mapped to what share.

#pragma comment(lib, "Mpr.lib")

HANDLE handle;
if (::WNetOpenEnum(RESOURCE_CONNECTED, RESOURCETYPE_DISK,
RESOURCEUSAGE_ATTACHED, NULL, &handle) != NO_ERROR)
{
 _tprintf(_T("Network Enumeration FAIL - Failed to retrieve connected
resources.\n"));
 return 1;
}

DWORD cbBuffer = 16384;
LPNETRESOURCE lpnrLocal;
DWORD dwResultEnum;
DWORD cEntries = -1;

lpnrLocal = (LPNETRESOURCE)::GlobalAlloc(GPTR, cbBuffer);
if (lpnrLocal == NULL)
{
 _tprintf(_T("Network Enumeration FAIL - Failed to allocate internal
buffer.\n"));
}else
{
 do
 {
  // Initialize the buffer.
  ZeroMemory(lpnrLocal, cbBuffer);

  // Call the WNetEnumResource function to continue
  // the enumeration
  dwResultEnum = ::WNetEnumResource(handle,
            &cEntries,
            lpnrLocal,
            &cbBuffer);

  // If the call succeeds, loop through the structures.
  if (dwResultEnum == NO_ERROR)
  {
   for (DWORD i = 0; i < cEntries; i++)
   {
    _tprintf(_T("Drive Letter: "));
    if (lpnrLocal[i].lpLocalName == NULL)
    {
     _tprintf(_T("{not mapped}\n"));
    }else
    {
     _tprintf(_T("%s\n"), lpnrLocal[i].lpLocalName);
    }

    _tprintf(_T("UNC: "));
    if (lpnrLocal[i].lpRemoteName == NULL)
    {
     _tprintf(_T("{unknown}\n"));
    }else
    {
     _tprintf(_T("%s\n"), lpnrLocal[i].lpRemoteName);
    }
    _tprintf(_T("Provider: "));
    if (lpnrLocal[i].lpProvider == NULL)
    {
     _tprintf(_T("{unknown}\n"));
    }else
    {
     _tprintf(_T("%s\n"), lpnrLocal[i].lpProvider);
    }
    _tprintf(_T("\n"));
   }
  }

 } while(dwResultEnum != ERROR_NO_MORE_ITEMS);

 ::GlobalFree((HGLOBAL)lpnrLocal);
}
::WNetCloseEnum(handle);

"RAN" <nijenhuis@wish.nl> wrote in message
news:c39b88bd-85a2-4a46-91a9-a5c56e580012@p25g2000hsf.googlegroups.com...