The docking algorithm for Visual Studio .NET-like control bars allows them to be docked into the main frame window
or inside tabbed control bar containers, which have detachable tabs and support the autohide mode.
While dragging a control bar, its outline representation shows the exact location where the bar can be dropped.
If a special style applied, that outline is replaced with the control bar's image as it is implemented in Task Area
of Microsoft Office XP.
The resizable control bar is fully c