How can I define a variable within App Designer?

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Brendan Hall
Brendan Hall 2018-6-1
回答： yago urroz castillo 2019-11-20
Hi, I'm trying to make a simple app in the app designer, however, I can't define variables for the App (see image). Does anyone know why this is the case? And how I could define variables within the app?

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回答（2 个）

yago urroz castillo
yago urroz castillo 2019-11-20
How do you get to edit this field? I have it locked in my App Designer window.
Brendan Hall
Brendan Hall 2018-6-1
I worked it out, I needed to let the app designer know a and b are a thing in properties first, then define what they actually are in the startup function with app.a and app.b before carrying out any functions. (see image)

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