First of all, thank you for a quick response.
I am sorry to be a pain but I have tried doing what you've suggested but I couldn't make it work the way I wanted. I set up one gui as a main dialogue gui and the other to be displayed when dialogue options are shown (didn't really know when to make it displayed, so I did it in the dialog_options_get_dimensions function). But because the dialogue, as far as I understand, is a blocking script my gui with a button is not clickable during a dialogue. Is there a way to make my GUI with a button active when the dialogue GUI is on?
I am sorry to be a pain but I have tried doing what you've suggested but I couldn't make it work the way I wanted. I set up one gui as a main dialogue gui and the other to be displayed when dialogue options are shown (didn't really know when to make it displayed, so I did it in the dialog_options_get_dimensions function). But because the dialogue, as far as I understand, is a blocking script my gui with a button is not clickable during a dialogue. Is there a way to make my GUI with a button active when the dialogue GUI is on?