文件夹选项对话框

global.h文件:

#ifndef GLOBAL_H
#define GLOBAL_H

#ifndef BIF_NEWDIALOGSTYLE
#define  BIF_NEWDIALOGSTYLE  0x0040
#endif

#ifndef BIF_USENEWUI
#define  BIF_USENEWUI   0x0050
#endif

// 初始化文件夹设定用的回调函数
int CALLBACK _SHBrowseForFolderCallbackProc(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData)
{
 if(uMsg == BFFM_INITIALIZED)
  ::SendMessage(hwnd, BFFM_SETSELECTION, TRUE, lpData);
 
 return 0;
}

bool g_fSelectFolderDlg(CString* lpstrFolder,CString strIniFolder,bool bAvailNewFolder)
{
 bool   ret;
 char   lpszPath[MAX_PATH];
 LPMALLOC  lpMalloc;
 BROWSEINFO  sInfo;
 LPITEMIDLIST lpidlRoot;
 LPITEMIDLIST lpidlBrowse;
 
 if(lpstrFolder == NULL)
  return false;
 
 if(::SHGetMalloc(&lpMalloc) != NOERROR)
  return false;
 
 ret = false;
 
 if(strIniFolder != "")
 {
  if(strIniFolder.Right(1) == "//")
   strIniFolder = strIniFolder.Left(strIniFolder.GetLength() - 1);   //删除末尾的"//"
  
 }
 
 ::SHGetSpecialFolderLocation(NULL, CSIDL_DRIVES, &lpidlRoot); //取得选定的文件夹名
 
 
 ::ZeroMemory(&sInfo, sizeof(BROWSEINFO));
 sInfo.pidlRoot  = lpidlRoot;
 sInfo.pszDisplayName = lpszPath;
 sInfo.lpszTitle  = _T("set path");
 sInfo.ulFlags  = BIF_RETURNONLYFSDIRS;
 if(bAvailNewFolder == true)
  sInfo.ulFlags |= BIF_EDITBOX | BIF_NEWDIALOGSTYLE | BIF_USENEWUI;
 sInfo.lpfn   = _SHBrowseForFolderCallbackProc;
 sInfo.lParam  = (LPARAM)strIniFolder.GetBuffer(0);
 
 lpidlBrowse = ::SHBrowseForFolder(&sInfo);   //显示文件夹选择对话框
 
 if(lpidlBrowse != NULL)
 {
  if(::SHGetPathFromIDList(lpidlBrowse,lpszPath)) //取得文件夹名  
  {
   *lpstrFolder = "";
   *lpstrFolder = lpszPath;
   
   if(*lpstrFolder != "")
   {
    if(lpstrFolder->Right(1) != "//")
     *lpstrFolder += "//";    //在末尾时附加"//"
   }
  }
  
  ret = true;
 }
 
 if(lpidlBrowse != NULL)
  ::CoTaskMemFree(lpidlBrowse);
 if(lpidlRoot != NULL)
  ::CoTaskMemFree(lpidlRoot);
 
 lpMalloc->Release();
 
 return ret;
}

#endif

使用:

include "global.h"

内容:

CString str;
    if(g_fSelectFolderDlg(&str,str,false))
 {
  UpdateData(false);
 }

内容在str;