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invalidate-rectangle

Function
Summary

Invalidates the rectangle associated with the object, which causes it to be redisplayed.

Signature

invalidate-rectangle object &optional x y width height => result

Arguments

object

An instance of a subclass of graphics-ports-mixin or a subclass of capi:pinboard-object

x

A real number

y

A real number

width

A real number

height

A real number

Values

result

A boolean

Description

By default it invalidates the whole rectangle, but this can be limited by passing the &optional arguments.


LispWorks CAPI Reference Manual - 14 Dec 2001

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