I am trying to dynamically change the value of a label in an ApplicationModel

Question

Asked: May 15, 20262026-05-15T20:08:58+00:00 2026-05-15T20:08:58+00:00

I am trying to dynamically change the value of a label in an ApplicationModel dynamically during the running of my program.
I have tried:

(self builder labelAt: #Label4) labelString: 'Dynamic text here'.

But get a labelString not understood error.
When I run:

(self builder labelAt:#Label4)

I get “UndefinedObject”. Which obviously suggests that I am not returning my Label object.

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Editorial Team · Answer 1 · 2026-05-15T20:08:59+00:00

Editorial Team

Try

(self builder componentAt: #Label4) widget labelString: 'whatever'

or

(self widgetAt: #Label4) labelString: 'whatever'

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