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Version 20.1 Docking pane woes

Printed From: Codejock Forums
Category: Codejock Products
Forum Name: Docking Pane
Forum Description: Topics Related to Codejock Docking Pane
URL: http://forum.codejock.com/forum_posts.asp?TID=24216
Printed Date: 23 January 2022 at 5:47pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com


Topic: Version 20.1 Docking pane woes
Posted By: rdhd
Subject: Version 20.1 Docking pane woes
Date Posted: 29 September 2021 at 4:52pm
After updating our app to version 20.1, I found that our docking panes would not size. Nor would pinning and unpinning result in a good display. I had to resize the frame window to see the auto-hide panel or to get the app frame to display. I found the reason was that in CXTPDockingPaneManager::RecalcFrameLayout the code now checks m_bInitialUpdateCalled and if that member is false, it would just return rather than calling RecalcLayout on the frame.

I fixed that by sending the WM_INITIALUPDATE message to the pane manager. But now, I am having a lot of other issues with docking pane client windows. Using spy++ I found that mouse messages aren't getting to our dialogs or to the task panel we have as a child of the client window of the pane it is in. Cursors aren't updating when the mouse enters a window, controls don't respond to mouse clicks ...

Now I have found that CXTPDockingPane::Attach is also sending WM_INITIALUPDATE to each CWnd (dialogs in our case) being attached. If I skip sending the messages to the input CWnd, everything works as it has for ever.

What's going on here?



Replies:
Posted By: rdhd
Date Posted: 29 September 2021 at 4:58pm
I don't know why this call to send WM_INITIALUPDATE to our windows causes issues and wish I did. I found the call to send it to the input CWnd caused the issue while sending it to the descendants of the input CWnd did not cause the issue.

I finally gave up and set m_bAutoInitialUpdate to false. But why? What's going on?



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