MFC-5动态更新窗体菜单1

#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;

#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