Transforming the currency-rates2.red script from Chapter 7, Working with Files, into a screen app is quite easy. We draw the widgets (the text, input fields, and a button) and provide code to execute when the button is pressed. We'll present you with the complete script called currency-rates-gui.red, and then explain how it works in detail.
First example – a screen for downloading exchange rates
Get Learn Red - Fundamentals of Red now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
