How do I lock the background like what messagebox does?

[TheBuzzer]

I am trying to make a complex popup dialog box or window that will lock the background

MessageBox will lock the background and i am trying to figure out how do I do that when i do the popup

[moegal]

modal: true

[TheBuzzer]

thanks. that helps greatly.

i was looking at messagebox to see if I could figure out the command but model was set to model in messagebox so I skip over that one.