请问：如何在对话框中插入视图（比如CEditView等）？

Question

// ==========================================
// DialogViewManager.h - YangTze - 2001.09.13
// ==========================================#if !defined(AFX_DIALOGVIEWMANAGER_H__C2BC5B6F_E22E_460A_96AE_DFA61B9D749C__INCLUDED_)
#define AFX_DIALOGVIEWMANAGER_H__C2BC5B6F_E22E_460A_96AE_DFA61B9D749C__INCLUDED_#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
// DialogViewManager.h : header file
//#include <afxtempl.h>/////////////////////////////////////////////////////////////////////////////
// CDialogViewManager command targetclass CDialogViewManager : public CCmdTarget
{
    DECLARE_DYNCREATE(CDialogViewManager)    CDialogViewManager();           // protected constructor used by dynamic creation// Attributes
public:protected:    // Embeded type and structure
    typedef struct _DVMITEM
    {
        CView *pView;
    } DVMITEM,*PDVMITEM;
    typedef CMap<UINT,UINT,DVMITEM*,DVMITEM*> CMapID2DVMItem;    CMapID2DVMItem m_mapID2DVMItem;
    CDialog *m_pParentDialog;// Operations
public:
    void RemoveAll(void);
    void DeleteView(CRuntimeClass *pViewClass);
    void DeleteView(UINT nIDRectangle);
    CView * GetView(CRuntimeClass *pViewClass);
    CView * GetView(UINT nIDRectangle);
    BOOL AddView(UINT nIDRectangle,CRuntimeClass *pViewClass);
    void UnInstall(void);
    void Install2Dialog(CDialog *pParentDialog);// Overrides
    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CDialogViewManager)
    //}}AFX_VIRTUAL// Implementation
protected:#ifdef _DEBUG
    virtual void Dump(CDumpContext& dc) const;
    virtual void AssertValid() const;
#endifpublic:
    virtual ~CDialogViewManager();    // Generated message map functions
    //{{AFX_MSG(CDialogViewManager)
        // NOTE - the ClassWizard will add and remove member functions here.
    //}}AFX_MSG    DECLARE_MESSAGE_MAP()
};///////////////////////////////////////////////////////////////////////////////{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.#endif // !defined(AFX_DIALOGVIEWMANAGER_H__C2BC5B6F_E22E_460A_96AE_DFA61B9D749C__INCLUDED_)
// ============================================
// DialogViewManager.cpp - YangTze - 2001.09.13
// ============================================#include "stdafx.h"
#include <afxpriv.h>
#include "DlgView.h"#include "DialogViewManager.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/////////////////////////////////////////////////////////////////////////////
// CDialogViewManagerIMPLEMENT_DYNCREATE(CDialogViewManager, CCmdTarget)CDialogViewManager::CDialogViewManager()
{
    m_pParentDialog=NULL;
}CDialogViewManager::~CDialogViewManager()
{
    UnInstall();
}
BEGIN_MESSAGE_MAP(CDialogViewManager, CCmdTarget)
    //{{AFX_MSG_MAP(CDialogViewManager)
        // NOTE - the ClassWizard will add and remove mapping macros here.
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CDialogViewManager message handlersvoid CDialogViewManager::Install2Dialog(CDialog *pParentDialog)
{
    ASSERT(pParentDialog);
    ASSERT(::IsWindow(pParentDialog->GetSafeHwnd()));
    m_pParentDialog=pParentDialog;
}void CDialogViewManager::UnInstall()
{
    RemoveAll();
    m_pParentDialog=NULL;
}BOOL CDialogViewManager::AddView(UINT nIDRectangle, CRuntimeClass *pViewClass)
{
    BOOL bSuccess=FALSE;
    DVMITEM *pdvmi;
    if(m_mapID2DVMItem.Lookup(nIDRectangle,pdvmi)||(!m_pParentDialog)||(!::IsWindow(m_pParentDialog->GetSafeHwnd())))
    {
    }
    else
    {
        ASSERT_VALID_IDR(nIDRectangle);
        ASSERT(pViewClass!=NULL||pViewClass->IsDerivedFrom(RUNTIME_CLASS(CView)));
        ASSERT(m_pParentDialog!=NULL);
        CWnd *pWnd=NULL;
        CCreateContext *pContext=new CCreateContext;
        if(pContext)
        {
            pContext->m_pNewViewClass=pViewClass;
            pContext->m_pCurrentDoc=NULL;
            pContext->m_pCurrentFrame=NULL;
            pContext->m_pLastView=NULL;
            pContext->m_pNewDocTemplate=NULL;
            try
            {
                pWnd=DYNAMIC_DOWNCAST(CWnd,pViewClass->CreateObject());
                if(!pWnd) AfxThrowUserException();
                ASSERT_KINDOF(CWnd,pWnd);
                ASSERT(pWnd->m_hWnd==NULL);
                CWnd *pCtrl=m_pParentDialog->GetDlgItem(nIDRectangle);
                ASSERT(pCtrl);
                pCtrl->ShowWindow(SW_HIDE);
                CRect rect;
                pCtrl->GetWindowRect(&rect);
                m_pParentDialog->ScreenToClient(&rect);
                pWnd->Create(NULL,NULL,AFX_WS_DEFAULT_VIEW,CRect(0,0,0,0),m_pParentDialog,0,pContext);
                CView *pView=DYNAMIC_DOWNCAST(CView,pWnd);
                ASSERT_KINDOF(CView,pView);
                pView->MoveWindow(&rect);
                DVMITEM *pdvmi=new DVMITEM;
                pdvmi->pView=pView;
                m_mapID2DVMItem[nIDRectangle]=pdvmi;
                bSuccess=TRUE;
            }
            catch(...)
            {
                TRACE1("Can not create a view in dialog( %d ).\n",m_pParentDialog);
            }
        }
        if(pContext) delete pContext;
    }
    return bSuccess;
}

Answer 1

CView * CDialogViewManager::GetView(UINT nIDRectangle)
{
    ASSERT_VALID(this);
    UINT nID;
    DVMITEM *pdvmi;
    POSITION pos=m_mapID2DVMItem.GetStartPosition();
    while(pos)
    {
        m_mapID2DVMItem.GetNextAssoc(pos,nID,pdvmi);
        if(nID==nIDRectangle)
        {
            return pdvmi->pView;
        }
    }
    return NULL;
}CView * CDialogViewManager::GetView(CRuntimeClass *pViewClass)
{
    ASSERT_VALID(this);
    UINT nID;
    DVMITEM *pdvmi;
    POSITION pos=m_mapID2DVMItem.GetStartPosition();
    while(pos)
    {
        m_mapID2DVMItem.GetNextAssoc(pos,nID,pdvmi);
        if(pdvmi->pView->IsKindOf(pViewClass))
        {
            return pdvmi->pView;
        }
    }
    return NULL;
}void CDialogViewManager::DeleteView(UINT nIDRectangle)
{
    ASSERT_VALID(this);
    UINT nID;
    DVMITEM *pdvmi;
    POSITION pos=m_mapID2DVMItem.GetStartPosition();
    while(pos)
    {
        m_mapID2DVMItem.GetNextAssoc(pos,nID,pdvmi);
        if(nID==nIDRectangle)
        {
            ASSERT(pdvmi->pView);
            ASSERT_VALID(pdvmi->pView);
            ASSERT(::IsWindow(pdvmi->pView->m_hWnd));
            pdvmi->pView->ShowWindow(SW_HIDE);
            pdvmi->pView->SendMessage(WM_CLOSE,0,0);
            m_mapID2DVMItem.RemoveKey(nID);
            delete pdvmi;
        }
    }
}void CDialogViewManager::DeleteView(CRuntimeClass *pViewClass)
{
    ASSERT_VALID(this);
    UINT nID;
    DVMITEM *pdvmi;
    POSITION pos=m_mapID2DVMItem.GetStartPosition();
    while(pos)
    {
        m_mapID2DVMItem.GetNextAssoc(pos,nID,pdvmi);
        if(pdvmi->pView->IsKindOf(pViewClass))
        {
            ASSERT(pdvmi->pView);
            ASSERT_VALID(pdvmi->pView);
            ASSERT(::IsWindow(pdvmi->pView->m_hWnd));
            pdvmi->pView->ShowWindow(SW_HIDE);
            pdvmi->pView->SendMessage(WM_CLOSE,0,0);
            m_mapID2DVMItem.RemoveKey(nID);
            delete pdvmi;
        }
    }
}void CDialogViewManager::RemoveAll()
{
    ASSERT_VALID(this);
    UINT nID;
    DVMITEM *pdvmi;
    POSITION pos=m_mapID2DVMItem.GetStartPosition();
    while(pos)
    {
        m_mapID2DVMItem.GetNextAssoc(pos,nID,pdvmi);
        ASSERT(pdvmi->pView);
        if(::IsWindow(pdvmi->pView->m_hWnd))
        {
            pdvmi->pView->ShowWindow(SW_HIDE);
            pdvmi->pView->SendMessage(WM_CLOSE,0,0);
        }
        m_mapID2DVMItem.RemoveKey(nID);
        delete pdvmi;
    }
}#ifdef _DEBUG
void CDialogViewManager::AssertValid() const
{
    CCmdTarget::AssertValid();
}void CDialogViewManager::Dump(CDumpContext &dc) const
{
    CCmdTarget::Dump(dc);
}
#endif
// DlgViewDlg.cpp : implementation file
//#include "stdafx.h"
#include "DlgView.h"
#include "DlgViewDlg.h"#include <afxhtml.h>
#include "DialogViewManager.h"#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App Aboutclass CAboutDlg : public CDialog
{
public:
    CAboutDlg();// Dialog Data
    //{{AFX_DATA(CAboutDlg)
    enum { IDD = IDD_ABOUTBOX };
    //}}AFX_DATA    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CAboutDlg)
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
    //}}AFX_VIRTUAL// Implementation
protected:
    //{{AFX_MSG(CAboutDlg)
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
    //{{AFX_DATA_INIT(CAboutDlg)
    //}}AFX_DATA_INIT
}void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CAboutDlg)
    //}}AFX_DATA_MAP
}BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
    //{{AFX_MSG_MAP(CAboutDlg)
        // No message handlers
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

Answer 2

/////////////////////////////////////////////////////////////////////////////
// CDlgViewDlg dialogCDlgViewDlg::CDlgViewDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CDlgViewDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CDlgViewDlg)
        // NOTE: the ClassWizard will add member initialization here
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}void CDlgViewDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CDlgViewDlg)
        // NOTE: the ClassWizard will add DDX and DDV calls here
    //}}AFX_DATA_MAP
}BEGIN_MESSAGE_MAP(CDlgViewDlg, CDialog)
    //{{AFX_MSG_MAP(CDlgViewDlg)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()/////////////////////////////////////////////////////////////////////////////
// CDlgViewDlg message handlersBOOL CDlgViewDlg::OnInitDialog()
{
    CDialog::OnInitDialog();    // Add "About..." menu item to system menu.    // IDM_ABOUTBOX must be in the system command range.
    ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
    ASSERT(IDM_ABOUTBOX < 0xF000);    CMenu* pSysMenu = GetSystemMenu(FALSE);
    if (pSysMenu != NULL)
    {
        CString strAboutMenu;
        strAboutMenu.LoadString(IDS_ABOUTBOX);
        if (!strAboutMenu.IsEmpty())
        {
            pSysMenu->AppendMenu(MF_SEPARATOR);
            pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
        }
    }    // Set the icon for this dialog.  The framework does this automatically
    //  when the application's main window is not a dialog
    SetIcon(m_hIcon, TRUE);            // Set big icon
    SetIcon(m_hIcon, FALSE);        // Set small icon
    
    // TODO: Add extra initialization here
    static CDialogViewManager manager;
    manager.Install2Dialog(this);
    VERIFY(manager.AddView(IDC_STATIC_AREA,RUNTIME_CLASS(CHtmlView)));
    CHtmlView *pHtmlView=DYNAMIC_DOWNCAST(CHtmlView,manager.GetView(IDC_STATIC_AREA));
    pHtmlView->Navigate2("D:\\YangTze\\VC\\DlgView\\Debug\\demo.htm",NULL,NULL);    return TRUE;  // return TRUE  unless you set the focus to a control
}void CDlgViewDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
    if ((nID & 0xFFF0) == IDM_ABOUTBOX)
    {
        CAboutDlg dlgAbout;
        dlgAbout.DoModal();
    }
    else
    {
        CDialog::OnSysCommand(nID, lParam);
    }
}// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.void CDlgViewDlg::OnPaint() 
{
    if (IsIconic())
    {
        CPaintDC dc(this); // device context for painting        SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);        // Center icon in client rectangle
        int cxIcon = GetSystemMetrics(SM_CXICON);
        int cyIcon = GetSystemMetrics(SM_CYICON);
        CRect rect;
        GetClientRect(&rect);
        int x = (rect.Width() - cxIcon + 1) / 2;
        int y = (rect.Height() - cyIcon + 1) / 2;        // Draw the icon
        dc.DrawIcon(x, y, m_hIcon);
    }
    else
    {
        CDialog::OnPaint();
    }
}// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CDlgViewDlg::OnQueryDragIcon()
{
    return (HCURSOR) m_hIcon;
}// DlgViewDlg.h : header file
//#if !defined(AFX_DLGVIEWDLG_H__BC744FD5_492C_47EA_BAE6_C01295EB3432__INCLUDED_)
#define AFX_DLGVIEWDLG_H__BC744FD5_492C_47EA_BAE6_C01295EB3432__INCLUDED_#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000/////////////////////////////////////////////////////////////////////////////
// CDlgViewDlg dialogclass CDlgViewDlg : public CDialog
{
// Construction
public:
    CDlgViewDlg(CWnd* pParent = NULL);    // standard constructor// Dialog Data
    //{{AFX_DATA(CDlgViewDlg)
    enum { IDD = IDD_DLGVIEW_DIALOG };
        // NOTE: the ClassWizard will add data members here
    //}}AFX_DATA    // ClassWizard generated virtual function overrides
    //{{AFX_VIRTUAL(CDlgViewDlg)
    protected:
    virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
    //}}AFX_VIRTUAL// Implementation
protected:
    HICON m_hIcon;    // Generated message map functions
    //{{AFX_MSG(CDlgViewDlg)
    virtual BOOL OnInitDialog();
    afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
    afx_msg void OnPaint();
    afx_msg HCURSOR OnQueryDragIcon();
    //}}AFX_MSG
    DECLARE_MESSAGE_MAP()
};//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.#endif // !defined(AFX_DLGVIEWDLG_H__BC744FD5_492C_47EA_BAE6_C01295EB3432__INCLUDED_)