对话框增加菜单和工具栏

一、对话框中增加菜单

1、对话框中增加菜单，只需要在对话框OnInitDialog()函数中增加响应代码即可：

Cmenu menuDlg;

menuDlg.LoadMenu(IDR_MENU_DLG);

SetMenu(&menuDlg);

也可以通过对话框资源，直接选择菜单ID，无需增加任何代码。

2、对话框中的菜单默认是无法响应ON_UPDATE_COMMAND_UI消息的，对于利用CCmdUI类的SetCheck()等函数设置的状态无法响应，为了与框架中菜单一致，需要在对话框中响应ON_WM_INITMENUPOPUP消息。

a)在对话框类的.cpp文件，添加一个ON_WM_INITMENUPOPUP入口到消息映射中。

BEGIN_MESSAGE_MAP(CTestDlg, CDialog)

ON_WM_INITMENUPOPUP()

END_MESSAGE_MAP()

b)在对话框类的.h文件添加消息函数声明。

afx_msg void OnInitMenuPopup(CMenu *pPopupMenu, UINT nIndex,BOOL bSysMenu);

c)在对话框类的.cpp文件添加如下函数代码(大部分代码取自WinFrm.cpp文件的函数

CFrameWnd::OnInitMenuPopup):

void CTestDlgDlg::OnInitMenuPopup(CMenu* pPopupMenu, UINT nIndex, BOOL bSysMenu) { CDialog::OnInitMenuPopup(pPopupMenu, nIndex, bSysMenu); // TODO: Add your message handler code here ASSERT(pPopupMenu != NULL); // Check the enabled state of various menu items. CCmdUI state; state.m_pMenu = pPopupMenu; ASSERT(state.m_pOther == NULL); ASSERT(state.m_pParentMenu == NULL); // Determine if menu is popup in top-level menu and set m_pOther to // it if so (m_pParentMenu == NULL indicates that it is secondary popup). HMENU hParentMenu; if (AfxGetThreadState()->m_hTrackingMenu == pPopupMenu->m_hMenu) state.m_pParentMenu = pPopupMenu; // Parent == child for tracking popup. else if ((hParentMenu = ::GetMenu(m_hWnd)) != NULL) { CWnd* pParent = this; // Child windows don't have menus--need to go to the top! if (pParent != NULL && (hParentMenu = ::GetMenu(pParent->m_hWnd)) != NULL) { int nIndexMax = ::GetMenuItemCount(hParentMenu); for (int nIndex = 0; nIndex < nIndexMax; nIndex++) { if (::GetSubMenu(hParentMenu, nIndex) == pPopupMenu->m_hMenu) { // When popup is found, m_pParentMenu is containing menu. state.m_pParentMenu = CMenu::FromHandle(hParentMenu); break; } } } } state.m_nIndexMax = pPopupMenu->GetMenuItemCount(); for (state.m_nIndex = 0; state.m_nIndex < state.m_nIndexMax; state.m_nIndex++) { state.m_nID = pPopupMenu->GetMenuItemID(state.m_nIndex); if (state.m_nID == 0) continue; // Menu separator or invalid cmd - ignore it. ASSERT(state.m_pOther == NULL); ASSERT(state.m_pMenu != NULL); if (state.m_nID == (UINT)-1) { // Possibly a popup menu, route to first item of that popup. state.m_pSubMenu = pPopupMenu->GetSubMenu(state.m_nIndex); if (state.m_pSubMenu == NULL || (state.m_nID = state.m_pSubMenu->GetMenuItemID(0)) == 0 || state.m_nID == (UINT)-1) { continue; // First item of popup can't be routed to. } state.DoUpdate(this, TRUE); // Popups are never auto disabled. } else { // Normal menu item. // Auto enable/disable if frame window has m_bAutoMenuEnable // set and command is _not_ a system command. state.m_pSubMenu = NULL; state.DoUpdate(this, FALSE); } // Adjust for menu deletions and additions. UINT nCount = pPopupMenu->GetMenuItemCount(); if (nCount < state.m_nIndexMax) { state.m_nIndex -= (state.m_nIndexMax - nCount); while (state.m_nIndex < nCount && pPopupMenu->GetMenuItemID(state.m_nIndex) == state.m_nID) { state.m_nIndex++; } } state.m_nIndexMax = nCount; } }

二、对话框中增加工具栏

1、在资源中添加工具栏资源；

2、在对话框类中定义一个工具栏变量；

3、在对话框的OnInitDialog函数中Create工具栏。程序如下：

在对话框类中定义工具栏成员变量：

CToolBarm_ToolBar;

在OnInitDialog函数中Create：

if(!m_ToolBar.CreateEx(this,TBSTYLE_FLAT, WS_CHILD|WS_VISIBLE|CBRS_TOP

|CBRS_GRIPPER|CBRS_TOOLTIPS|CBRS_SIZE_DYNAMIC)

||!m_ToolBar.LoadToolBar(IDR_TOOLBAR_GRAPHICS))

{

TRACE0(_T( "创建工具条失败/n "));

return FALSE;

}

RepositionBars(AFX_IDW_CONTROLBAR_FIRST, AFX_IDW_CONTROLBAR_LAST, 0);

但要让对话框中的工具栏响应UPDATE_COMMAND_UI消息，做到按下保持的状态仅仅重载UPDATE_COMMAND_UI消息并使用SetCheck是不行的，因为此时的工具栏上的按钮属性为普通的按钮，可以通过下面的方法测试：

if(m_ToolBar.GetButtonStyle(0) == TBBS_BUTTON)

{

AfxMessageBox( "This is Button Style ");

}

必须添加以下的设置：

m_ToolBar.SetButtonStyle(0,TBBS_CHECKBOX);

m_ToolBar.SetButtonStyle(1,TBBS_CHECKBOX);

对于需要响应的按钮都增加以上代码。

(对于利用Xtreme Toolkit界面库，工具栏使用CXTPToolbar类创建，调用SetButtonStyle()函数进行设置可以省略)