MFC添加下拉菜单、右键菜单

添加下拉菜单：

代码语言：javascript复制#在头文件声明一个CMenu对象m_Menu

CMenu m_Menu;

#在Resource.h中定义三个ID

#define ID_MENUCAT 1011

#define ID_MENUDOG 1012

#define ID_MENUMONKEY 1013

#在OnInitDialog方法中添加代码

m_Menu.CreateMenu();

CMenu m_PopMenu;

m_PopMenu.CreatePopupMenu();

m_Menu.AppendMenu(MF_POPUP, (UINT)m_PopMenu.m_hMenu, "动物");

m_PopMenu.AppendMenu(MF_STRING, ID_MENUCAT, "猫");

m_PopMenu.AppendMenu(MF_STRING, ID_MENUDOG, "狗");

m_PopMenu.AppendMenu(MF_STRING, ID_MENUMONKEY, "猴子");

m_PopMenu.Detach();

CMenu m_PopMenuPlant;

m_PopMenuPlant.CreatePopupMenu();

m_Menu.AppendMenu(MF_POPUP, (UINT)m_PopMenuPlant.m_hMenu, "植物");

m_PopMenuPlant.AppendMenu(MF_STRING, ID_MENUFLOWER, "花朵");

m_PopMenuPlant.Detach();

SetMenu(&m_Menu);

#添加菜单的消息处理函数

#在头文件中声明

afx_msg void OnMenucat();

afx_msg void OnMenudog();

afx_msg void OnMenumonkey();

#在源文件中添加消息宏映射

ON_COMMAND(ID_MENUCAT, OnMenucat)

ON_COMMAND(ID_MENUDOG, OnMenudog)

ON_COMMAND(ID_MENUMONKEY, OnMenumonkey)

#在源文件中实现消息处理函数

void CTestDlg::OnMenucat(){

MessageBox("猫菜单被按下");

}

void CTestDlg::OnMenudog(){

MessageBox("小狗菜单被按下");

}

void CTestDlg::OnMenumonkey(){

MessageBox("猴子菜单被按下");

}添加右键菜单：

代码语言：javascript复制#添加一个菜单资源，ID自定义，我在这里定为IDR_MENU_RIGHT

#在头文件添加消息处理函数

afx_msg void OnRButtonUp(UINT nFlags, CPoint point);

#在源文件中添加消息宏映射

ON_WM_RBUTTONUP()

#在源文件中实现消息处理函数

void CTestDlg::OnRButtonUp(UINT nFlags, CPoint point)

{

// TODO: Add your message handler code here and/or call default

CMenu PopMenu;

PopMenu.LoadMenu(IDR_MENU_RIGHT);

CMenu* pMenu = PopMenu.GetSubMenu(0);

CRect rect;

ClientToScreen(&point);

rect.top = point.x;

rect.left = point.y;

pMenu->TrackPopupMenu(TPM_LEFTALIGN | TPM_LEFTBUTTON | TPM_VERTICAL, rect.top, rect.left, this);

CDialog::OnRButtonUp(nFlags, point);

}

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