How to create a menu and submenu on right click in MFC

 

void ::OnNMRClickBacnetTree(NMHDR *pNMHDR, LRESULT *pResult)
{
    CPoint ptScreen;
    SendMessage(WM_CONTEXTMENU, (WPARAM) m_hWnd, GetMessagePos() );
    if (! GetCursorPos(&ptScreen))
    {
        return ;
    }

    // Select an element under the right click
    CPoint ptClient(ptScreen);
    m_BACnetTree.ScreenToClient(&ptClient);   

    // Create the right click menu
    CMenu rightClickMenu;
    rightClickMenu.CreatePopupMenu();
    rightClickMenu.AppendMenu(MF_STRING,1021,_T("One"));
    rightClickMenu.AppendMenu(MF_STRING,1022,_T("Two"));
    rightClickMenu.AppendMenu(MF_STRING,1023,_T("Three"));

    // Create the sub menu
    CMenu rightClickMenuAdvanced;
    rightClickMenuAdvanced.CreatePopupMenu();
    rightClickMenuAdvanced.AppendMenu(MF_STRING,1024,_T("one"));
    rightClickMenuAdvanced.AppendMenu(MF_STRING,1025,_T("two"));

    // Add the sub menu to the right click menu
    if (rightClickMenuAdvanced.GetMenuItemCount() > 0 )
    {
        rightClickMenu.AppendMenu(MF_POPUP|MF_STRING,(UINT) rightClickMenuAdvanced.m_hMenu, _T("Advanced") );
    }
    rightClickMenuAdvanced.DestroyMenu();

    rightClickMenu.TrackPopupMenu (TPM_RIGHTBUTTON, ptScreen.x, ptScreen.y, this);
    rightClickMenu.DestroyMenu( );
}