MDI and view change detection

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Hi,

Any1 know how to detect document/view change in MDI application. I have MDI app that have several diff types of document/views, each with diff view capabilities. I need to detect when view changes (user select another via MDI view tab ctrl) so I can send appropriate commands to separate devices attached (some for deactivated view, another for activated view).

Thanks
Sasa

Posted 6-Feb-12 1:53am

Sasa Kajic

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Sergey Alexandrovich Kryukov 6-Feb-12 10:52am

Who needs MDI, ever?
--SA

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Sasa Kajic · Accepted Answer · 2012-02-06T02:26:00

Hi,

one solution I found and using is overriding OnMDIActivate of ChildFrame...

void CChildFrame::OnMDIActivate(BOOL bActivate, CWnd* pActivateWnd, CWnd* pDeactivateWnd)
{
CMDIChildWndEx::OnMDIActivate(bActivate, pActivateWnd, pDeactivateWnd);

CWnd* pWnd = GetDlgItem(AFX_IDW_PANE_FIRST);
if( pWnd->IsKindOf( RUNTIME_CLASS(CNeedeViewType) ) )
{
if( !bActivate )
{
// Do something
}
else
{
// do something
}
}
}

If you know for better/nicer, please advice...

Sasa Kajic · Accepted Answer · 2012-02-07T05:20:00

Hi,

one solution I found and using is overriding OnMDIActivate of ChildFrame...

void CChildFrame::OnMDIActivate(BOOL bActivate, CWnd* pActivateWnd, CWnd* pDeactivateWnd)
{
CMDIChildWndEx::OnMDIActivate(bActivate, pActivateWnd, pDeactivateWnd);

CWnd* pWnd = GetDlgItem(AFX_IDW_PANE_FIRST);
if( pWnd->IsKindOf( RUNTIME_CLASS(CNeedeViewType) ) )
{
if( !bActivate )
{
// Do something
}
else
{
// do something
}
}
}

MDI and view change detection

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