//方法2 //ShellExecute打开一个文件 //ShellExecute(NULL, "open", "C:\\11.txt", NULL, NULL, SW_SHOWNORMAL); ////ShellExecute打开并显示文件夹 ShellExecute(NULL, "open", strDir.c_str(), NULL, NULL, SW_SHOWNORMAL);

		CString strLocalFile = m_temp_path + _T("output.pdf");
		CFileDialog dlg(FALSE, _T("*.pdf"), NULL, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, _T("PDF Files (*.pdf)|*.pdf||"));
		if(dlg.DoModal() == IDOK)
			strLocalFile = dlg.GetPathName();
			BOOL bRet = TRUE;
			if (bRet)
				CString strFolder = dlg.GetFolderPath();
				ShellExecute( NULL, _T("open"), strFolder, NULL, NULL, SW_SHOWNORMAL);