




 
The function force-screen-update makes sure that the screen specified by 
screen
 is up to date.
screen
 can be a CAPI object as accepted by convert-to-screen. The default value of 
screen
 is nil.
On GTK+, force-screen-update does not work when it is called inside the 
display-callback
 of an output-pane or a sub-class, including drawing of pinboard-objects inside a pinboard-layout.
CAPI User Guide and Reference Manual (Macintosh version) - 25 Feb 2015