SearchProcPtr
typedef pascal short (*SearchProcPtr)(Ptr aPtr, Ptr bPtr, short aLen, short bLen);
lDoHAutoScroll 1 masks for auto-scrolling in ListRec.listFlags lDoVAutoScroll 2
lNoNilHilite 2 selection options in ListRec.selFlags lUseSense 4
lNoRect 8
lNoExtend 16
lNoDisjoint 32
lExtendDrag 64
lOnlyOne 128
lInitMsg 0 message codes handled by custom list handler
'LDEF'
lDrawMsg 1
lHiliteMsg 2
lCloseMsg 3