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Tying an OnDraw to movement of a splitter bar

Posted on 1997-04-24
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Last Modified: 2013-11-20
I want to know how to force an OnDraw() call for a view in a splitter window for when the splitter bar is being dragged over (covering up) a view.  OnDraw() is not called when the view is being covered up, but rather only when the view is being uncovered.  I also don't want to do this by using UpdateAllViews().  Basically my question is : Is there a way I can force a call to OnDraw for one of the child views in the splitter window when the splitter bar is dragged over that view, and where can I place this call to OnDraw?
This is in a MDI application.
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Question by:David Gray
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rhgaracci earned 50 total points
ID: 1301186
Instead of using a CSplitterWnd object, use an object of a derived CSplitterWnd class, say CMySplitterWnd.  Provide an override of the protected virtual member function as follows

void CMySplitterWnd::StopTracking(BOOL bAccept)
{
   CSplitterWnd(bAccept);
   
   if (bAccept)
   {
      // for each pane that you want to redraw, invalidate
      // to force WM_PAINT which causes the framework to call
      // OnDraw()
      //
      GetPane(iRow, iCol)->Invalidate();
   }
}






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Expert Comment

by:rhgaracci
ID: 1301187
Did this not work as you expected.  I am curious because of the low grade (C = x2 points).  Please let me know how I could serve you better.
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Author Comment

by:David Gray
ID: 1301188
I think that your solution is pretty good, I just found a better way to solve my problem that is less complicated.  I just had to put an Invalidate() call inside of OnSize() for the view.  Thanks for your help anyways.
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