MFC-5动态更新窗体菜单1

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#include <afxwin.h>//必须加载此文件，该文件中定义了所有MFC相关的类

#include "resource.h"

 

class MyFrame:public CFrameWnd

{

private:

    CMenu MainMenu,*SysMenu,*PopMenu,*SubMenu;

    COLORREF color;

public:

    MyFrame()

    {

        Create(NULL,//产生标准窗口

            "Menu",//窗口标题

            WS_OVERLAPPEDWINDOW|WS_VISIBLE,//窗口样式

            rectDefault,//窗口大小

            NULL,//指向父窗口的指针

            MAKEINTRESOURCE(IDR_SMENU)//使用菜单的标志

            );

        SysMenu = GetSystemMenu(FALSE);//取得系统菜单

        SysMenu->AppendMenu(IDR_INSMENU,MF_SEPARATOR);

        SysMenu->AppendMenu(MF_STRING|MF_CHECKED,IDR_INSMENU,"insert by me");

        color = RGB(255,0,0);

    }

 

    afx_msg void OnSwitchMenu()

    {

        CMenu InsMenu;

        InsMenu.LoadMenu(IDR_INSMENU);

        MainMenu.LoadMenu(IDR_MAINMENU);

        MainMenu.AppendMenu(MF_POPUP,(UINT)InsMenu.m_hMenu,"Color Menu");

        SubMenu= MainMenu.GetSubMenu(1);

        SubMenu->AppendMenu(MF_SEPARATOR);

        SubMenu->InsertMenu(IDM_CreateItem,MF_BYCOMMAND|MF_STRING,IDM_InsertItem,"Insert a Item");

        SubMenu->InsertMenu(IDM_CreateItem,MF_BYCOMMAND|MF_POPUP,(UINT)InsMenu.m_hMenu,"insert a sub menu");

        //SetCheck();//设置应该被选择的菜单项

        SubMenu->InsertMenu(IDM_CreateItem,MF_BYCOMMAND|MF_SEPARATOR);

        InsMenu.Detach();//将菜单资源与菜单对象分离

        SetMenu(&MainMenu);

    }

    DECLARE_MESSAGE_MAP()

};

 

BEGIN_MESSAGE_MAP(MyFrame,CFrameWnd)

    ON_COMMAND(IDR_SwitchMenu,OnSwitchMenu)

END_MESSAGE_MAP()

 

class MyApp:public CWinApp

{

public:

        BOOL InitInstance()

        {

            CFrameWnd *Frame = new MyFrame;

            m_pMainWnd = Frame;

            Frame->ShowWindow(SW_SHOW);

            return true;

        }

} a_app;

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#define IDR_MAINMENU                    101

#define IDR_SMENU                       102

#define IDR_POPMENU                     103

#define IDR_INSMENU                     104

#define ID_RED                          40001

#define ID_RED_GREEN                    40002

#define ID_RED_BLUE                     40003

#define ID_RED_BLACK                    40004

#define IDM_CREATEITEM                  40005

#define ID_FILE                         40005

#define ID_DYNAMICMENU                  40006

#define ID_Menu                         40007

#define ID_DYNAMICMENU_INSERTASUBMENU   40008

#define ID_COLORMENU                    40009

#define ID_COLORMENU_RED                40010

#define ID_COLORMENU_GREEN              40011

#define ID_COLORMENU_BLUE               40012

#define ID__POPITEM1                    40013

#define ID__POPITEM2                    40014

#define ID_FILE_EXIT                    40015

#define IDR_SwitchMenu                  40016

#define IDM_CreateItem                  40017

#define IDM_InsertItem                  40018