class COleResizeBar : public CControlBar
An object of the class COleResizeBar is a type of control bar that supports resizing of in-place OLE items. COleResizeBar objects appear as a CRectTracker with a hatched border and outer resize handles.
COleResizeBar objects are usually embedded members of frame-window objects derived from the COleIPFrameWnd class.
For more information, see the article Activation..