[mfc][vc++]如何得到对话框标题

[mfc][vc++]

如何得到对话框标题

	LPTSTR buffer=   new   TCHAR[255];
	::GetWindowText(GetActiveWindow()->m_hWnd,buffer,255);
	CString strWindowName = "";
	strWindowName.Format("%s",buffer);
	MessageBox(strWindowName);
	delete [] buffer;