what is needed to create this addon...

[deapee]

First, excuse me as I'm writing on my phone so I'll have to be brief.

That said, I want to create a window (I have managed to do this with create frame).

This window I created is moveable...

I want to be able to add text to it, or more specifically lines of text that will cause the window to grow or shrink as needed.

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I can't even get text to show up on my frame. I was able to get a button centered on it.

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Also, can this functionality be done solely in lua, or should I be looking at XML as well?

Thanks