isExtant

isExtant.default

<p>Widgets can be destroyed, but their R object is still present. This is FALSE in that case.</p>
<p>Basic S3 method for isExtant</p>

Re-implementation of the 'gWidgets' API. The API is defined in this
package. A second, toolkit-specific package is required to use it. There
are three in development: 'gWidgets2RGtk2', 'gWidgets2Qt', and 'gWidgets2tcltk'.

john verzani

isExtant: Check if widget is extant.

Description

Usage

Arguments