Purpose
Creation
of a pop-up menu.
Synopsis
function XADpopupmenu(menuitems:set of string):string
Argument
Return value
Selected item, or empty string if no selection was made.
Example
To create a menu with the items Action A and
Action B separated by a line, use the following:
choice:=XADpopupmenu({"ActionA", "XADseparator", "Action B"})
Further information
It is customary for user interfaces to display a menu of options when
the user right-clicks on something. This routine achieves just that.
When the user makes a choice, it is returned as a string. If
the user does not select anything, the returned string will be empty.
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