CPane::DoesAllowSiblingBars
Indicates whether you can dock another pane at the same row where the current pane is docked.
virtual BOOL DoesAllowSiblingBars() const;
Return Value
TRUE if this pane can dock to another pane on the same row as itself; otherwise, FALSE.
Remarks
You can enable or disable this behavior by calling CPane::SetExclusiveRowMode.
By default, toolbars have exclusive row mode disabled and the menu bar has exclusive row mode enabled.
Requirements
Header: afxPane.h