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[REBOL] Re: How do you set default values in buttons

From: sanghabum:aol at: 5-Jul-2001 19:04

> How do you set default values in buttons, rotarys, choices, and > toggles. Also how do you obtain the value of a choice?
Hi Paul, I don't know about buttons or toggles, but here's rotarys and choices: mylayout: layout [ Rot1: rotary "a" "b" "c" "d" [print ["Rot1: you selected " first value]] Cho1: choice "a" "b" "c" "d" [print ["Cho1: you selected " first value]] ] Rot1/data: find rot1/data "b" Cho1/text: "c" unview/all view mylayout Note the different method of setting the initial value. With a rotary /Data contains the series values ("a" "b" "c" "d" in the example), so you position within that series. That doesn't work for Choices. Here you simply set a value in the /Text. Why this is, I don't know....I just know it works. In both cases, Value is a special variable in the Action Facet. It is a series positioned at the item selected (hence Print FIRST Value). Hope that helps, Colin.