ZSplitUtils interface contains utility procedures for working
ZChildVBT interface contains some additional
utility procedures that are oriented for children of
are used as subwindows.
INTERFACEReturn the lowest (possibly improper) ancestor of
ZSplitUtils; IMPORT VBT; PROCEDURE FindZChild (v: VBT.T): VBT.T;
vwhose parent is a
ZSplit.Tand which is not the
ZSplit.T's background child. If no such
VBTis found, return
NIL. There's a good chance that the
VBTreturned is a
ZChildVBT.T, but this is not required.