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Dear Support,

I have a CExtControlBar I want to be only be able to dock to the left or right, so i called

m_wndBar.EnableDocking(CBRS_ALIGN_LEFT|CBRS_ALIGN_RIGHT);

But still, i can dock it at top & bottom.

Why is that?

Thanks,
Ron.

The drop target restriction flags were designed for simple MFC bars which can be docked to four outer frame sides only. The resizable bars have four sides of outer/inner part of the frame and of each other bar/tabbed bar group. Disabling some of the sides is absolutely unreasonable. Currently resizable bars can be restricted only for docking relatively to other resizable bars with overriding of the following virtual methods of the CExtControlBar class:

      virtual bool _CanDockToTabbedContainers(
            CExtControlBar * pDestBar
            ) const;
      virtual bool _CanDockLTRB(
            CExtControlBar * pDestBar
            ) const;