dirdialog.cpp

文档生成工具 XML例子

///////////////////////////////////////////////////////////////////////////
// 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.IsEmpty()) ? "Open":m_strTitle;
          bInfo.ulFlags = BIF_RETURNFSANCESTORS|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;
}