67     additional argument) through all intermediate levels.

    67     additional argument) through all intermediate levels.

    68     A highly elegant solution to this problem is to provide a handler somewhere

    68     A highly elegant solution to this problem is to provide a handler somewhere

    69     at the top of the calling hierarchy, and raise an upQuery from whereever

    69     at the top of the calling hierarchy, and raise an upQuery from whereever

    70     that value is required.

    70     that value is required.

    71     A concrete application can be found in the windowGroup- and lastEvent-

    71     A concrete application can be found in the windowGroup- and lastEvent-

    73     in the event which was responible for the anyone to be called, all he needs

    73     in the event which was responible for the anyone to be called, all he needs

    74     to do is to raise the lastEventQuerySignal, which returns that event.

    74     to do is to raise the lastEventQuerySignal, which returns that event.

    75     No intermediate methods are required to know anything about that.

    75     No intermediate methods are required to know anything about that.

    76 

    76 

    77     A final note (to C++ and Java fans):

    77     A final note (to C++ and Java fans):

   344 ! !

   344 ! !

   345 

   345 

   346 !QuerySignal class methodsFor:'documentation'!

   346 !QuerySignal class methodsFor:'documentation'!

   347 

   347 

   348 version

   348 version