loon (version 1.3.3)

l_isLoonWidget: Check if a widget path is a valid loon widget

Description

This function can be useful to check whether a loon widget is has been closed by the user.

Usage

l_isLoonWidget(widget)

Arguments

widget

widget path as a string or as an object handle

Value

boolean, TRUE if the argument is a valid loon widget path, FALSE otherwise