Il Wed, 16 May 2018 02:40:44 +0000 songqing shan <> scrisse:

> Hello,
> I am learning GTK and developing a small application, which uses gtktextview 
> widget.
> In my application, I compile it well. When running it, clicking the texview 
> and "Gdk-WARNING **: gdkwindow-win32.c:1834: SetWindowLongPtr failed: Invalid 
> window handle" occurs.
> Then I find an example on internet as follows. The same error occurs.


that is not an error, it is a warning. The code you posted does
not have any problems here.

Are you experiencing some real problem apart from the spurious

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