I have several rich text boxes, and on top beside the label I have a + button to expand the rich text. I can create the logic to have the rich text box visible or not.
However to change the button from + to - from what I have read here the only solution I have seen is using variables with Set and/or UpdateContext. But I have lots of rich Text boxes. Is there a better way?
I've tried in the Text Button property for fun
If( richTextBox.Visible, "-", "false" )
Which would have been cool since Visible property is true or false. But it does not work


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