Codejock Developer Community : XTP_DPN_SHOWWINDOW behavior changed in v13 http://forum.codejock.com/ Copyright (c) 2006-2013 Web Wiz Forums - All Rights Reserved. Wed, 13 May 2026 23:19:49 +0000 Wed, 11 Feb 2009 04:58:00 +0000 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 12.04 360 forum.codejock.com/RSS_post_feed.asp?TID=13381 <![CDATA[Codejock Developer Community]]> http://forum.codejock.com/forum_images/codejock-logo.gif http://forum.codejock.com/ <![CDATA[XTP_DPN_SHOWWINDOW behavior changed in v13 : The behavior might be the same...]]> http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45328&title=xtp-dpn-showwindow-behavior-changed-in-v13#45328 Author: znakeeye
Subject: 13381
Posted: 11 February 2009 at 4:58am

The behavior might be the same in v12, but I encountered it in v13.

Let me clarify.
XTP_DPN_SHOWWINDOW is not sent when the the pane's rectangle is empty (IsRectEmpty). This should be documented as it could lead to strange behavior:
 
1) The user changes the size of a pane to zero-height and closes the application.
2) Pane is saved to the Registry.
3) Application is opened and the pane read from the Registry.
4) Since the child-window is created and attached in OnDockingPaneNotify(), the child will not be created until the pane is explicitly resized!
 
Perhaps create/attach should always be made in OnCreate() instead of OnDockingPaneNotify()?
]]> Wed, 11 Feb 2009 04:58:00 +0000 http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45328&title=xtp-dpn-showwindow-behavior-changed-in-v13#45328 <![CDATA[XTP_DPN_SHOWWINDOW behavior changed in v13 : Hi, I compared sources with 12.1.1...]]> http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45322&title=xtp-dpn-showwindow-behavior-changed-in-v13#45322 Author: Oleg
Subject: 13381
Posted: 11 February 2009 at 4:45am

Hi,
I compared sources with 12.1.1 - nothing that can change this behavior.
XTP_DPN_SHOWWINDOW called when pane become visible.
 
You can add method that attach panes and call it from CMainFrame::Create and from NotifyHandler.
]]> Wed, 11 Feb 2009 04:45:21 +0000 http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45322&title=xtp-dpn-showwindow-behavior-changed-in-v13#45322 <![CDATA[XTP_DPN_SHOWWINDOW behavior changed in v13 : You check for empty rectangles...]]> http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45293&title=xtp-dpn-showwindow-behavior-changed-in-v13#45293 Author: znakeeye
Subject: 13381
Posted: 10 February 2009 at 3:55pm

You check for empty rectangles in the ShowWindow() call. Can you please tell me how to make certain pane-children attached explicitly? When I call GetChild() from my other pane-manager, the child window must already be set!

]]> Tue, 10 Feb 2009 15:55:54 +0000 http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45293&title=xtp-dpn-showwindow-behavior-changed-in-v13#45293 <![CDATA[XTP_DPN_SHOWWINDOW behavior changed in v13 : Upgraded to v13.0.0 from v12.1.1. pMainPane...]]> http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45292&title=xtp-dpn-showwindow-behavior-changed-in-v13#45292 Author: znakeeye
Subject: 13381
Posted: 10 February 2009 at 3:43pm

Upgraded to v13.0.0 from v12.1.1.
 
pMainPane = GetMainFrame().GetPaneManager().FindPane(IDR_EXISTING_PANE);
CWnd* pWndChild = pMainPane->GetChild(); // Returns NULL when pane has not been sized (zero-height in this case)!
 
It seems XTP_DPN_SHOWWINDOW is not sent when the pane has zero-height. Is this by design?
 
Anyway, such changes should be thoroughly documented!
]]> Tue, 10 Feb 2009 15:43:07 +0000 http://forum.codejock.com/forum_posts.asp?TID=13381&PID=45292&title=xtp-dpn-showwindow-behavior-changed-in-v13#45292