What keeps you from using gtkd or dlangui

[bachmeier via Digitalmars-d]

On Sunday, 4 October 2015 at 13:24:23 UTC, karabuta wrote:
> For some time now I have been trying various GUIs options in D. 
> I came to settle on gtkd and dlangui(stability is not my 
> current priority).
>
> In YHO, what keeps you from using any of those fully(mostly)? 
> Gtkd first,  followed by dlangui.  I need to know what I am 
> signing up for.

I couldn't see any way to use it without first learning how it 
works using a different language (C, Python, etc.). Maybe there 
exists beginner documentation somewhere but I couldn't find any.