I have some problems regarding textbox and radiobutton. My GUI design is like this: I have a textbox, 3 radiobuttons and an enter button.
My first question: how can I make the enter button only visible if the textbox is filled and the radiobutton is clicked? If not it will be invisible.
Second question: How can I know which radiobutton was selected? Other than doing if else, is there any other smarter way to do it?
I hope you can help me with this. Thank you in advance:)