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How to embed a CSplitterWnd in a CDialog

larsjohansson
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Last Modified: 2013-11-20
How to embed a CSplitterWnd in a CDialog
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Commented:
a) Derive class from CSplitterWnd
b) Use this class in your dialog box.
c) Use the OnMouseActivate()(handles WM_MOUSEACTIVATE) to find out if mouse is on top of one of panes and set active pane otherwise let MFC handle the task.
d) Overide virtual function SetActivePane() to set active pane
void CDerivedSplitterWnd::SetActivePane(int row, int col, CWnd* pWnd)
{
// get pane to set active
CWnd* pPane = ((pWnd == NULL) ? GetPane(row, col) : pWnd);
// set focus to specified pane
pPane->SetFocus();
}
e) In the header of your dialog add
CDerivedSplitterWnd *m_pSplitterWnd;
and initialize it to NULL in constructor, then in OnInitDialog()
create object type of CDerivedSplitterWnd, create splitter window as static or dynamic and do not forget to show it(by defaul it created invisible)
f) delete object in destractor

There is one more way of doing is create object derived from CFrameWnd inside your dialog and then use it to implement splitter window the way AppWizard does using OnCreateClient()...

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Commented:
Excellent answer worth 200 pts.
The 'best' way (if you want to follow the MFC rules) must be to create a CFrameWnd inside the Dialog.

Why didn't this obvious solution came to me in the first place...

Thank you mr. gelbert, this saved me a couple of hours.


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