www.pudn.com > mp3baptism.rar > DirDialog.cpp

/////////////////////////////////////////////////////////////////////////// 
// DirDialog.cpp: implementation of the CDirDialog class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#include "stdafx.h" 
#include "DirDialog.h" 
#include "shlobj.h" 
#ifdef _DEBUG 
#undef THIS_FILE 
static char THIS_FILE[]=__FILE__; 
#define new DEBUG_NEW 
#endif 
 
////////////////////////////////////////////////////////////////////// 
// Construction/Destruction 
////////////////////////////////////////////////////////////////////// 
 
CDirDialog::CDirDialog() 
{//////////////////////////////////////////// 
 
} 
 
CDirDialog::~CDirDialog() 
{/////////////////////////////////////////// 
 
} 
 
int CDirDialog::DoBrowse () 
{///////////////////////////////////////// 
 
    LPMALLOC pMalloc; 
    if (SHGetMalloc (&pMalloc)!= NOERROR) 
    { 
        return 0; 
    } 
 
    BROWSEINFO bInfo; 
    LPITEMIDLIST pidl; 
    ZeroMemory ( (PVOID) &bInfo,sizeof (BROWSEINFO)); 
 
     if (!m_strInitDir.IsEmpty ()) 
     { 
          OLECHAR       olePath[MAX_PATH]; 
          ULONG         chEaten; 
          ULONG         dwAttributes; 
          HRESULT       hr; 
          LPSHELLFOLDER pDesktopFolder; 
          // // Get a pointer to the Desktop's IShellFolder interface. // 
          if (SUCCEEDED(SHGetDesktopFolder(&pDesktopFolder))) 
          { 
 
               // 
               // IShellFolder::ParseDisplayName requires the file name be in Unicode. 
               // 
               MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, m_strInitDir.GetBuffer (MAX_PATH), -1, 
                    olePath, MAX_PATH); 
 
               m_strInitDir.ReleaseBuffer (-1); 
               // 
               // Convert the path to an ITEMIDLIST. 
               // 
               hr = pDesktopFolder->ParseDisplayName(NULL, 
                    NULL, 
                    olePath, 
                    &chEaten, 
                    &pidl, 
                    &dwAttributes); 
               if (FAILED(hr)) 
               { 
                    pMalloc ->Free (pidl); 
                    pMalloc ->Release (); 
                    return 0; 
               } 
               bInfo.pidlRoot = pidl; 
          } 
     } 
          bInfo.hwndOwner = NULL; 
          bInfo.pszDisplayName = m_strPath.GetBuffer (MAX_PATH); 
          bInfo.lpszTitle = m_strTitle; 
          bInfo.ulFlags = BIF_RETURNONLYFSDIRS; 
 
 
          if ((pidl = ::SHBrowseForFolder (&bInfo)) == NULL) 
          { 
               return 0; 
          } 
          m_strPath.ReleaseBuffer (); 
          m_iImageIndex = bInfo.iImage; 
 
          if (::SHGetPathFromIDList(pidl,m_strPath.GetBuffer (MAX_PATH)) == FALSE) 
          { 
               pMalloc ->Free (pidl); 
               pMalloc ->Release (); 
               return 0; 
          } 
 
    m_strPath.ReleaseBuffer (); 
 
    pMalloc ->Free (pidl); 
    pMalloc ->Release (); 
    return 1; 
}