9.4 DUIM-Frames Module
frame-can-exit?
Open generic function
Summary
Returns true if the specified frame can be exited dynamically.
Signature
frame-can-exit? frame => can-exit?
Arguments
- frame
- An instance of type
<frame>.
Values
- can-exit?
- An instance of type
<boolean>.
Library
duim-franes
Module
duim-frames
Description
Returns true if frame can be exited dynamically. You can add methods to this generic function in order to allow the user to make a dynamic decision about whether a frame should exit.
Example
define method frame-can-exit? (frame :: <abstract-test-frame>) => (can-exit? :: <boolean>) notify-user("Really exit?", frame: frame, style: #"question") end method frame-can-exit?;