Docking Pane - Problems CDialog <-> CXTPDockingpanes

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Problems CDialog <-> CXTPDockingpanes

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Category: Codejock Products
Forum Name: Docking Pane
Forum Description: Topics Related to Codejock Docking Pane
URL: https://forum.codejock.com/forum_posts.asp?TID=1151
Printed Date: 15 November 2026 at 4:36am
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Topic: Problems CDialog <-> CXTPDockingpanes

Posted By: Wolfgang
Subject: Problems CDialog <-> CXTPDockingpanes
Date Posted: 07 September 2004 at 7:59am

Ok, once again me.

Following problem accurs, I add to a SDI Application 3 Dockingpanes (Added on the Bottom, not tabbed) In one DockingPane i insert only a CStatic Control. in the other two windows I insert CDialog based Objects. additional I set:

m_paneManager.LockSplitters(true);

m_paneManager.UseSplitterTracker(false);

m_paneManager.SetThemedFloatingFrames(false);

In LRESULT CMainFrame::OnDockingPaneNotify(WPARAM wParam, LPARAM lParam) i use:

if (wParam == XTP_DPN_ACTION) {

XTP_DOCKINGPANE_ACTION* pAction=(XTP_DOCKINGPANE_ACTION*)lParam;

pAction->bCancel=TRUE;

return FALSE;

}

Which surpress the possibility of the user to tear of the Dockingpane.

Now if i try to tear off the dockingpane with Dialogs, i get an assertion errormessage if i close the Application afterwards. The error accurs in:

BOOL PASCAL CWnd::WalkPreTranslateTree(HWND hWndStop, MSG* pMsg)

{

ASSERT(hWndStop == NULL || ::IsWindow(hWndStop));

where hWndStop!=NULL.

It seems that the Dockingmanager wants to access the Dialog after Destroy of this Window? It seems like a Bug in the DockingPanes to me..

But maybe somebody found a way round?

thanks

Wolfgang

Replies:

Posted By: Oleg
Date Posted: 10 September 2004 at 2:28am

No. It is something in your code.

Where you create and destory dialog?

try to call m_wndDialog.DestroyWindow() in

CMainFrame::OnDestroy before base class call.

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Oleg, Support Team
CODEJOCK SOFTWARE SOLUTIONS