How to distinguish between items returned by EnumObjects of IShellFolder

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I am trying to get the computers in my workgroup using Shell

C++

HRESULT hr = S_OK;
ULONG celtFetched;
LPITEMIDLIST pidlItems = NULL;
LPITEMIDLIST netItemIdLst = NULL;
IShellFolder* pFolder = NULL;
IEnumIDList* pEnumIds = NULL;
IShellFolder* pDesktopFolder = NULL;
LPITEMIDLIST full_pid;

hr = SHGetMalloc(&pMalloc);
hr = SHGetDesktopFolder(&pDesktopFolder);
hr = SHGetSpecialFolderLocation(NULL, CSIDL_COMPUTERSNEARME, &netItemIdLst);
hr = pDesktopFolder->BindToObject(netItemIdLst, NULL, 
                                  IID_IShellFolder, (void **)&pFolder);

if(SUCCEEDED(hr))
{
  hr = pFolder->EnumObjects(NULL, SHCONTF_NONFOLDERS, &pEnumIds);

  if(SUCCEEDED(hr))
  {
    STRRET strDisplayName;
    while((hr = pEnumIds->Next(1, &pidlItems, &celtFetched)) == S_OK && celtFetched > 0)
    {
      hr = pFolder->GetDisplayNameOf(pidlItems, SHGDN_NORMAL, &strDisplayName);
      if(SUCCEEDED(hr))
      {
        wprintf(L"%s\n", strDisplayName.pOleStr);
      }
    }
  }
}

But this returns the Computers, Media Devices, and Streaming Devices (is that it name?). Like say, a computer is called OSOFEM on my workgroup... STRRET::pOleStr returns strings OSOFEM (which is the computer), OSOFEM (I think streaming device), and OSOFEM:example@email.com: (which is the Windows Media Player).

My question is how can I distinguish which is the Computer? Of course, there names can't be used because two exactly the same name will always be returned...

Posted 10-Jul-13 22:52pm

Oso Oluwafemi Ebenezer

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KarstenK · Answer 1 · 2013-07-12T00:51:00

Solution 1

use the API like IShellFolder::GetAttributesOf

http://msdn.microsoft.com/en-us/library/windows/desktop/bb775068(v=vs.85).aspx[^]

Posted 12-Jul-13 0:51am

KarstenK

Comments

Oso Oluwafemi Ebenezer 12-Jul-13 7:06am

thanks for your response. The third parameter of GetattributesOf is SFGAOF *rgfInOut which will hold the SFGAO value of the object. Which of these values shows that the object is a Computer as many of these are showing what you can do with the object and not what the object is.

KarstenK 12-Jul-13 7:10am

such details should be read in the msdn...

i am no guru for that

Oso Oluwafemi Ebenezer 12-Jul-13 7:25am

No such details was provided, just the list. Thanks anyway!

KarstenK 12-Jul-13 8:02am

somehow you got to try your luck in sniffing in the structures or calling approbiate methods on the items.

look at this article from MSDN:

http://msdn.microsoft.com/en-us/library/windows/desktop/bb773321(v=vs.85).aspx
http://msdn.microsoft.com/en-us/library/windows/desktop/bb759800(v=vs.85).aspx