如何在不使用CSplitterWnd的情況下在MFC中動態分割窗口::創建

Question

我創建了一個MFC MDI應用程序，並希望通過右鍵單擊並選擇一個「AddSplitWnd」彈出菜單項來動態地將窗口分成兩部分。我嘗試使用CSplitterWnd :: CreateStatic來實現它，一旦窗口被拆分，它需要創建一個新的視圖，但我想使用前一個視圖，所以沒有人知道如何實現它。謝謝。

Answer 1

這是一個代碼片段，用於在SDI環境中的分離器中交換視圖。這應該適用於MDI的工作。

CView* CDoc::SwitchToView(CView* pNewView) 
{ 
    CFrameWndEx* pMainWnd = (CFrameWndEx*)AfxGetMainWnd(); 
    CView* pOldActiveView; 
    pOldActiveView = pMainWnd->GetActiveView(); 
    CSplitterWnd* pSplitter = (CSplitterWnd *)pOldActiveView->GetParent(); 

    // in this case Pane 0,0 is exchanged 
    pOldActiveView = (CView*) pSplitter->GetPane(0,0); 

    // set flag so that document will not be deleted when view is destroyed 
    m_bAutoDelete = FALSE;  
    // Dettach existing view 
    RemoveView(pOldActiveView); 
    // set flag back to default 
    m_bAutoDelete = TRUE; 

    // Set the child window ID of the active view to the ID of the corresponding 
    // pane. Set the child ID of the previously active view to some other ID. 
    ::SetWindowLong(pOldActiveView->m_hWnd, GWL_ID, 0); 
    ::SetWindowLong(pNewView->m_hWnd, GWL_ID, pSplitter->IdFromRowCol(0,0)); 

    // Show the newly active view and hide the inactive view. 
    pNewView->ShowWindow(SW_SHOW); 
    pOldActiveView->ShowWindow(SW_HIDE); 

    // Attach new view 
    AddView(pNewView); 

    // Set active 
    pSplitter->GetParentFrame()->SetActiveView(pNewView); 
    pSplitter->RecalcLayout(); 
    return pOldActiveView; 
} 

HTH