Win32 框架文档视图(1)

5.1 如何禁止框架窗口在标题中显示文档名

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
    if( !CMDIFrameWnd::PreCreateWindow(cs) )
        return FALSE;

    //删除FWS_ADDTOTITLE风格    
    cs.style &= ~FWS_ADDTOTITLE;

    return TRUE;
}

修改样式

5.2 如何设置文档的标题

SetTitle方法

BOOL CDemoDoc::OnNewDocument()
{
    if (!CDocument::OnNewDocument())
        return FALSE;

    SetTitle(_T("NewDoc"));
    
    return TRUE;
}

5.3 如何设置框架窗口的标题

两步

BOOL CChildFrame::PreCreateWindow(CREATESTRUCT& cs)
{
    // TODO: Modify the Window class or styles here by modifying
    //  the CREATESTRUCT cs

    if( !CMDIChildWnd::PreCreateWindow(cs) )
        return FALSE;
    
    //删除FWS_ADDTOTITLE风格
    cs.style &= ~FWS_ADDTOTITLE;

    return TRUE;
}

使用SetWindowText函数

int CChildFrame::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
    if (CMDIChildWnd::OnCreate(lpCreateStruct) == -1)
        return -1;

    SetWindowText(_T("Child Frame"));

    return 0;
}

5.4 如何使主框架窗口初始时最大化或最小化

即ShowWindow函数的参数

    //最大化
    m_nCmdShow = SW_SHOWMAXIMIZED;
//    //最小化
//    m_nCmdShow = SW_SHOWMINIMIZED;   
    pMainFrame->ShowWindow(m_nCmdShow);

5.5 如何使MDI子框架窗口初始时最大化或最小化

重写ActivateFrame方法

void CChildFrame::ActivateFrame(int nCmdShow) 
{
    //最大化
    nCmdShow = SW_SHOWMAXIMIZED;
//    //最小化
//    nCmdShow = SW_SHOWMINIMIZED

    CMDIChildWnd::ActivateFrame(nCmdShow);
}

5.6 如何使框架窗口保持最小化

同上方法

//最小化
m_nCmdShow = SW_SHOWMINIMIZED;
m_pMainWnd->ShowWindow(m_nCmdShow);
m_pMainWnd->UpdateWindow();

5.7 如何设置框架窗口最大化时的大小和位置

OnGetMinMaxInfo方法,即WM_GETMINMAXINFO消息方法
参考:http://blog.csdn.net/FlowShell/archive/2009/11/10/4795581.aspx

当最大化时则有如下限制

void CMainFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) 
{
    //设置窗口最大化时的大小
    lpMMI->ptMaxSize.x = 800;
    lpMMI->ptMaxSize.y = 600;

    //设置窗口最大化时的位置
    lpMMI->ptMaxPosition.x = 0;
    lpMMI->ptMaxPosition.y = 0;

    CFrameWnd::OnGetMinMaxInfo(lpMMI);
}

5.8 如何设置框架窗口的大小范围

还是OnGetMinMaxInfo方法的使用,设置的参数发生了变化.
犹如MaxWidth,MaxHeight和MixWidth,MixHeight

void CMainFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) 
{
    //设置窗口的最大尺寸
    lpMMI->ptMaxTrackSize.x = 800;
    lpMMI->ptMaxTrackSize.y = 600;

    //设置窗口的最小尺寸
    lpMMI->ptMinTrackSize.x = 400;
    lpMMI->ptMinTrackSize.y = 300;

    CFrameWnd::OnGetMinMaxInfo(lpMMI);
}

5.9 如何保存或恢复框架窗口的状态

在关闭窗体时,将窗体相关状态信息写入注册表,下次初始化化时,读取注册表信息

WriteProfileInt和GetProfileInt方法,

ActivateFrame事件和OnClose事件

void CMainFrame::ActivateFrame(int nCmdShow) 
{
    if (m_bFirst)
    {
        m_bFirst = FALSE;

        WINDOWPLACEMENT* pWndpl = new WINDOWPLACEMENT;
        pWndpl->length = sizeof(WINDOWPLACEMENT);

        CWinApp* pApp = AfxGetApp();

        //恢复窗口位置
        pWndpl->flags = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("FLAGS"), 0);
        pWndpl->showCmd = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("SHOWCMD"), 0);
        nCmdShow = pWndpl->showCmd;
        pWndpl->ptMinPosition.x = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("MINX"), 0);    
        pWndpl->ptMinPosition.y = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("MINY"), 0);    
        pWndpl->ptMaxPosition.x = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("MAXX"), 0);
        pWndpl->ptMaxPosition.y = pApp->GetProfileInt(_T("WINDOWPLACEMENT"),
            _T("MAXY"), 0);
        pWndpl->rcNormalPosition.top = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("TOP"), 0);
        pWndpl->rcNormalPosition.left = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("LEFT"), 0);
        pWndpl->rcNormalPosition.right = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("RIGHT"), 0);
        pWndpl->rcNormalPosition.bottom = pApp->GetProfileInt(_T("WINDOWPLACEMENT"), 
            _T("BOTTOM"), 0);

        //设置窗口位置
        SetWindowPlacement(pWndpl);

        delete pWndpl;
    }

    CFrameWnd::ActivateFrame(nCmdShow);
}

void CMainFrame::OnClose() 
{
    WINDOWPLACEMENT* pWndpl = new WINDOWPLACEMENT;
    pWndpl->length = sizeof(WINDOWPLACEMENT);

    //获得窗口位置
    GetWindowPlacement(pWndpl);

    CWinApp* pApp = AfxGetApp();

    //保存窗口位置
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("FLAGS"), 
        pWndpl->flags);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("SHOWCMD"), 
        pWndpl->showCmd);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("MINX"), 
        pWndpl->ptMinPosition.x);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("MINY"), 
        pWndpl->ptMinPosition.y);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("MAXX"), 
        pWndpl->ptMaxPosition.x);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("MAXY"), 
        pWndpl->ptMaxPosition.y);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("TOP"), 
        pWndpl->rcNormalPosition.left);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("LEFT"), 
        pWndpl->rcNormalPosition.top);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("RIGHT"), 
        pWndpl->rcNormalPosition.right);
    pApp->WriteProfileInt(_T("WINDOWPLACEMENT"), _T("BOTTOM"), 
        pWndpl->rcNormalPosition.bottom);

    delete pWndpl;

    CFrameWnd::OnClose();
}