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The UI updated for the tabbed toolbar seems to take a long time. I noticed in the code that it does the update for item in every toolbar that is part of the tabbed toolbar. i.e. it does the update for items which are not visible.

Can this be changed so the update is only done for visible items.

Thanks

Thank you very much for reporting this issue. You can fix this by updating the source code for the CExtTabbedToolControlBar::OnUpdateCmdUI() method:

void CExtTabbedToolControlBar::OnUpdateCmdUI(
      CFrameWnd * pTarget,
      BOOL bDisableIfNoHndler
      )
{
CExtTabPageContainerWnd * pWndTabPageContainer = GetTabPageContainer();
      if( pWndTabPageContainer == NULL )
            return;
LONG nSel = pWndTabPageContainer->PageSelectionGet();
      if( nSel <= 0 )
            return;
CExtToolControlBar * pToolBar = BarGetAt( nSel );
      ASSERT_VALID( pToolBar );
INT nBtnIdx, nCountOfButtons = pToolBar->GetButtonsCount();
      for( nBtnIdx = 0; nBtnIdx < nCountOfButtons; nBtnIdx++ )
      {
            CExtBarButton * pTBB =
                  pToolBar->GetButton( nBtnIdx );
            ASSERT_VALID( pTBB );
            pTBB->OnUpdateCmdUI( pTarget, bDisableIfNoHndler, nBtnIdx );
      }
      pToolBar->UpdateDialogControls( pTarget, bDisableIfNoHndler );
}