On 02/16/2017 07:45 AM, Erdem wrote:

On Wed, 15 Feb 2017 23:09:01 +0100, Mike Wey wrote:

I don't see anything wrong at first hand. Do you have a more complete
example to test with?

Ok. Here is the complete example. I simply want to toggle the button in a cell.

...

I don't have any issues with this example, either with or without the
bool constructor for gobject.Value.

Which version of Gtk are you using?