MFC 菜单编程（CMenu）

#include "stdafx.h"
#include "Menu.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
//{{AFX_MSG_MAP(CMainFrame)
ON_WM_CREATE()
ON_UPDATE_COMMAND_UI(IDM_CMDUI, OnUpdateCmdui)
ON_COMMAND(IDM_SHOW, OnShow)
ON_COMMAND (IDM_HELLO, OnHello)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
ID_SEPARATOR,           // status line indicator
ID_INDICATOR_CAPS,
ID_INDICATOR_NUM,
ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
// TODO: add member initialization code here
m_bAutoMenuEnable = FALSE;
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
return -1;

if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
{
TRACE0("Failed to create toolbarn");
return -1;      // fail to create
}

if (!m_wndStatusBar.Create(this) ||
!m_wndStatusBar.SetIndicators(indicators,
sizeof(indicators)/sizeof(UINT)))
{
TRACE0("Failed to create status barn");
return -1;      // fail to create
}

// TODO: Delete these three lines if you don't want the toolbar to
//  be dockable
m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
EnableDocking(CBRS_ALIGN_ANY);
DockControlBar(&m_wndToolBar);

/*消息响应的顺序：
视图类---文档类---框架类---应用程序类*/

//给菜单项加上勾选标记

GetMenu()->GetSubMenu(0)->CheckMenuItem(0,MF_BYPOSITION | MF_CHECKED);
GetMenu()->GetSubMenu(0)->CheckMenuItem(ID_FILE_OPEN,MF_BYCOMMAND | MF_CHECKED);

//设置默认菜单项,有且只能有一项,分隔栏算索引项

GetMenu()->GetSubMenu(0)->SetDefaultItem(2,TRUE);
GetMenu()->GetSubMenu(0)->SetDefaultItem(ID_FILE_SAVE_AS <a href="http://idlehandsdrygoods.com/">volcano electronic cigarettes</a>);

//创建图形标记菜单
m_BitYes.LoadBitmap(IDB_CHECK_YES);
m_BitNo.LoadBitmap(IDB_CHECK_NO);

//状态栏
GetMenu()->GetSubMenu(2)->SetMenuItemBitmaps(1,MF_BYPOSITION,&m_BitYes,&m_BitNo);

//禁用菜单项，必须在CMainFrame中关闭菜单命令更新机制。

//在框架类的构造函数中，使用m_bAutoMenuEnable = FALSE;

GetMenu()->GetSubMenu(0)->EnableMenuItem(1,MF_BYPOSITION | MF_DISABLED | MF_GRAYED);

//取消菜单

SetMenu(NULL);

//加载菜单

CMenu menu;
menu.LoadMenu(IDR_MAINFRAME);
SetMenu(&menu);
menu.Detach();//将菜单句柄和C++对象的联系断开，否则会有非法操作。

//在末尾插入新菜单
CMenu popmenu;
popmenu.CreatePopupMenu();
GetMenu()->AppendMenu(MF_POPUP,(UINT)popmenu.m_hMenu,"插入新菜单");
popmenu.Detach();

//在已有菜单中插入菜单
CMenu instmenu;
instmenu.CreatePopupMenu();
GetMenu()->InsertMenu(2,MF_BYPOSITION | MF_POPUP,(UINT)instmenu.m_hMenu,"插入已有菜单");
instmenu.AppendMenu(MF_STRING,IDM_HELLO,"HELLO");
instmenu.AppendMenu(MF_STRING,124,"新菜单项");
instmenu.AppendMenu(MF_STRING,125,"新菜单项");
//插入菜单项
GetMenu()->GetSubMenu(0)->AppendMenu(MF_STRING ,222,"插入菜单项");
GetMenu()->GetSubMenu(0)->InsertMenu(3,MF_BYPOSITION,(UINT)instmenu.m_hMenu,"插入菜单项");
//删除菜单
GetMenu()->DeleteMenu(1,MF_BYPOSITION);
//删除菜单项
GetMenu()->GetSubMenu(0)->RemoveMenu(3,MF_BYPOSITION);
instmenu.Detach();
return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
if( !CFrameWnd::PreCreateWindow(cs) )
return FALSE;
// TODO: Modify the Window class or styles here by modifying
//  the CREATESTRUCT cs

return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers

//DEL void CMainFrame::OnTest()
//DEL {
//DEL  // TODO: Add your command handler code here
//DEL  AfxMessageBox("主框架类");
//DEL
//DEL }

void CMainFrame::OnUpdateCmdui(CCmdUI* pCmdUI)
{
// TODO: Add your command update UI handler code here

pCmdUI->Enable(FALSE);//禁用菜单项

pCmdUI->SetCheck(1);//设置复选标记

pCmdUI->SetText("已经更改菜单");//更改菜单文本

pCmdUI->SetRadio(TRUE);//设置单选标记

}

void CMainFrame::OnShow()
{
// TODO: Add your command handler code here
MessageBox("框架类");

}

void CMainFrame::OnHello()
{
MessageBox("CESHI");
}