GME: GMEVistaUtil.cpp Source File

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00001 
00002 #define NTDDI_VERSION 0x06000000
00003 #define _WIN32_WINNT 0x0600
00004 
00005 #include <afxwin.h>
00006 #include <ShObjIdl.h>
00007 #include <atlcomcli.h>
00008 #include <atlstr.h>
00009 
00010 HRESULT VistaBrowseDirectory(CString& directory)
00011 {
00012         CComPtr<IFileDialog> pfd;
00013         HRESULT hr = CoCreateInstance(CLSID_FileOpenDialog, 
00014                                           NULL, CLSCTX_INPROC_SERVER, IID_PPV_ARGS(&pfd));
00015         if (FAILED(hr))
00016                 return hr;
00017 
00018         DWORD dwFlags;
00019         hr = pfd->GetOptions(&dwFlags);
00020         if (FAILED(hr))
00021                 return hr;
00022         hr = pfd->SetOptions(dwFlags | FOS_FORCEFILESYSTEM | FOS_PICKFOLDERS);
00023         if (FAILED(hr))
00024                 return hr;
00025         hr = pfd->Show(NULL);
00026         if (FAILED(hr))
00027                 return hr; // may be HRESULT_FROM_WIN32(ERROR_CANCELLED)
00028 
00029         CComPtr<IShellItem> psiResult;
00030         hr = pfd->GetResult(&psiResult);
00031         if (FAILED(hr))
00032                 return hr;
00033         PWSTR pszFilePath = NULL;
00034         hr = psiResult->GetDisplayName(SIGDN_FILESYSPATH, &pszFilePath);
00035         if (FAILED(hr))
00036                 return hr;
00037         directory = pszFilePath;
00038         CoTaskMemFree(pszFilePath);
00039 
00040         return hr;
00041 }