[ Windows | MFC ] show select file diaolg ( use CFileDialog )

void ClassName::showSelectFileDlgAndGetPath(CString &returnPathName, CString &returnFileName, CString fileExtension, CString initPath)

{

     TRACE(_T("%s:%d, initPath:%s\n"), __FUNCTIONW__, __LINE__, initPath);

     CString csType;

     if (fileExtension.GetLength() > 0)

     {

         csType.Format(_T("%s file (*.%s)|*.%s|All (*.*)|*.*||"), fileExtension, fileExtension, fileExtension);

     }

     else

     {

         csType = _T("All (*.*)|*.*||");

     }

     CFileDialog fOpenDlg(

         TRUE, fileExtension, _T(""), OFN_HIDEREADONLY | OFN_FILEMUSTEXIST,

         csType, NULL);

     fOpenDlg.m_pOFN->lpstrTitle = _T("Select File Dialog");

     CString csTemp;

     csTemp.Format(_T("%s"), initPath);

     fOpenDlg.m_pOFN->lpstrInitialDir = csTemp;

     if (fOpenDlg.DoModal() == IDOK)

     {

         TRACE(_T("%s:%d, GetPathName:%s\n"), __FUNCTIONW__, __LINE__, fOpenDlg.GetPathName());

         TRACE(_T("%s:%d, GetFileName:%s\n"), __FUNCTIONW__, __LINE__, fOpenDlg.GetFileName());

         returnPathName = fOpenDlg.GetPathName();

         returnFileName = fOpenDlg.GetFileName();

     }

}