Mouse 1 3 A OnTopFunc
Mouse 1 5 A OnBottomFunc

DestroyFunc OnTopFunc
AddToFunc OnTopFunc
+ C ThisWindow (Layer 2) Layer default
+ C TestRc (Nomatch) Layer 0 6
+ I Raise
+ M Nop

DestroyFunc OnBottomFunc
AddToFunc OnBottomFunc
+ C ThisWindow (Layer 6) Layer default
+ C TestRc (Nomatch) Layer 0 2
+ I Raise
+ M Nop