You can use the CLOSE_CB callback and return IUP_IGNORE after showing a
warning message for the user.
But send me the code and I'll think about it.
Best,
Scuri
2018-05-11 6:19 GMT-03:00 Mihail Ivanchev <mihai...@gmail.com>:
> I'm talking about the X button in the window's title bar. It makes sense
> to disable it in close the dialog cannot close immediately (some operation
> has to finish first). Right now I'm doing it over the HWND.
>
> Regards
> MI
>
>
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