SRGCompoundDisplay::m_bXAforYA

BOOL  SRGCompoundDisplay::m_bXAforYA

Indicates type of linkage between X and Y axes
When TRUE, the Y-A axis and X-A axis are linked. When FALSE, the Y-A axis and X-B axis are linked.
The oppposite Y axis, Y-B, becomes associated with the X axis that remains.