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Forums » Prof-UIS General Discussion » Simple Redraw Question Collapse All
Subject Author Date
ernest peters Oct 18, 2004 - 9:15 PM

Just trialling your suite at the moment.


I have a tree control that is in a resource (not created at runtime, has its own class  which inherits CExtResizableDialog) and i attach it to a CExtControlBar. Updating of the tree is automatic using serial comms data.


My question is, How do i redraw the tree after the data is updated?  CExtControlBar does not handle this by default (update its children). It will however redraw if i dock or undock the CExtControlBar, after which it works fine.

Technical Support Oct 19, 2004 - 2:43 AM

The typical modification of the tree control modification looks like:

m_wndTree.SetRedraw( FALSE ); 
   . . .
// YOUR MODIFICATION CODE IS HERE
   . . .
m_wndTree.SetRedraw( TRUE );
m_wndTree.Invalidate();
m_wndTree.UpdateWindow();

If this code layout does not fix the problem, send us your test project so that we can help you.

ernest peters Oct 19, 2004 - 8:49 PM

Thanks..got it working now.  I would like to commend you guys on your technical support..second to none..definately tips the scales in your favour for our company.