win32 获取文件目录对话框

 char path[MAX_PATH];     BROWSEINFO bi;//保存用户选择的目录信息     
  bi.hwndOwner = NULL;     
  bi.pidlRoot = NULL;      
  bi.pszDisplayName = NULL;     
  bi.lpszTitle = NULL;      
  bi.ulFlags = NULL;      
  bi.lpfn = NULL;      
  bi.lParam = 0;      
  bi.iImage = 0;      
  SHGetPathFromIDList(SHBrowseForFolder(&bi),(LPWSTR)path);