视图的切换问题.

Question

主视里有两个按钮,点击按钮将弹出一个基于CFormView的视图,点击另一个按钮弹出另一个视图,这两个视图层叠在主视图上,并可通过鼠标点选切换.如何实现?
求教各位高手!

Answer 1

http://www.enadd.com/Soft/UploadSoft/200701/20070104232644597.rar

Answer 2

void CMainFrame::SwitchToForm(int nForm)
{    CView *pOldActiveView=GetActiveView();
    CView *pNewActiveView=(CView*)GetDlgItem(nForm);    if(pNewActiveView==NULL)
    {
        if(nForm==IDD_LIBRARY_FORM)
        {
            pNewActiveView=(CView*)new CLibraryView;
        }
        if(nForm==IDD_BOOKINFO_FORM)
        {
            pNewActiveView=(CView*)new CBookInfoView;
        }
        if(nForm==IDD_PROVIDER_FORM)
        {
            pNewActiveView=(CView*)new CProviderView;
        }        CCreateContext context;
        context.m_pCurrentDoc=pOldActiveView->GetDocument();
        pNewActiveView->Create(NULL,NULL,0L,CFrameWnd::rectDefault,this,nForm,&context);
        pNewActiveView->OnInitialUpdate();
    }    SetActiveView(pNewActiveView);
    pNewActiveView->ShowWindow(SW_SHOW);
    pOldActiveView->ShowWindow(SW_HIDE);    int ID;    if(pOldActiveView->GetRuntimeClass()==RUNTIME_CLASS(CLibraryView))
        ID=IDD_LIBRARY_FORM;
    if(pOldActiveView->GetRuntimeClass()==RUNTIME_CLASS(CBookInfoView))
        ID=IDD_BOOKINFO_FORM;
    if(pOldActiveView->GetRuntimeClass()==RUNTIME_CLASS(CProviderView))
        ID=IDD_PROVIDER_FORM;    pOldActiveView->SetDlgCtrlID(ID);
    pNewActiveView->SetDlgCtrlID(AFX_IDW_PANE_FIRST);    RecalcLayout();}