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3 way splitter window problem

Posted on 2001-07-30
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Last Modified: 2013-11-20
Hi,
i'm trying to create a 3 way static splitter window and the app is crashing.
the code:
BOOL CMainFrame::OnCreateClient(LPCREATESTRUCT lpcs, CCreateContext* pContext)
{
     if(!m_wndSplitter1.CreateStatic(this,2,1)||
          !(m_wndSplitter1.CreateView(0,
          0,
          RUNTIME_CLASS (CRwrSimView),
          CSize(0,128),
          pContext)) ||
          !(m_wndSplitter2.CreateStatic     (&m_wndSplitter1,1,2,WS_CHILD|WS_VISIBLE|WS_BORDER,
  m_wndSplitter1.IdFromRowCol(1,0))||
!(m_wndSplitter2.CreateView(0,0,RUNTIME_CLASS (CLstVwInfraView), CSize(0,128),
               pContext)||
             !(m_wndSplitter2.CreateView(0,1,RUNTIME_CLASS (CRwrSimView), CSize(0,0),
               pContext)))))
  return FALSE;      
     
return TRUE;
}
the app is crashing in

CWnd* CSplitterWnd::GetPane(int row, int col) const
{
     ASSERT_VALID(this);

     CWnd* pView = GetDlgItem(IdFromRowCol(row, col));
     ASSERT(pView != NULL);  // panes can be a CWnd, but are usually CViews
     return pView;
}
the CSplitterWnd is the parent one(m_wndSplitter1)
thanks.

0
Comment
Question by:alons
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6 Comments
 
LVL 49

Expert Comment

by:DanRollins
ID: 6333292
You must not override GetPane... Just call it!

CMyView* pView= (CMyView*)m_pSplitter->GetPane( row, clm );

-- Dan
0
 
LVL 9

Expert Comment

by:ShaunWilde
ID: 6333296
so by looking at your code you have

<pre>
          CRwrSimView
_____________________________
                |
CLstVwInfraView | CRwrSimView
                |            
</pre>

the only pane you can access from m_wndSplitter1 is the top pane you have to use the other splitter to access the bottom panes


0
 
LVL 31

Accepted Solution

by:
Zoppo earned 200 total points
ID: 6333312
Hi alons,

if the code you pasted here is an exacty copy of the code you're using you have a parentesis-problem in this
condition:

   !(m_wndSplitter2.CreateStatic     (&m_wndSplitter1,1,2,WS_CHILD|WS_VISIBLE|WS_BORDER,
                      m_wndSplitter1.IdFromRowCol(1,0))||
   !(m_wndSplitter2.CreateView(0,0,RUNTIME_CLASS (CLstVwInfraView), CSize(0,128),
   pContext)||
                                 !(m_wndSplitter2.CreateView(0,1,RUNTIME_CLASS (CRwrSimView), CSize(0,0),
                                   pContext)))))

if the CreateStatic(...) returns TRUE the whole statement including the both CreateView()-calls evaluates to TRUE without the CreateView()-calls executed.

I would suggest that you write your code a bit better readable ... this may preserves bugs.

hope that helps,

ZOPPO
0
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LVL 49

Expert Comment

by:DanRollins
ID: 6333314
<i>but alons should not try to instantiate CSplitterWnd code... If anything, he could derive a class from it...</i>

-- Dan
0
 

Author Comment

by:alons
ID: 6333342
if i had more points - you are the winner.
thanks
0
 
LVL 31

Expert Comment

by:Zoppo
ID: 6333352
you're welcome...

have a nice day,

regards,

ZOPPO
0

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