'Edit Active Audio Event Only' doesn't work

I have Cubase Pro 9.0.10 updated.

I have an audio file splitted in several events in the same track. Then I open the editor of either event and process all the audio file (using gain, envelope, normalize, a plug-in, whatever). When I do this process, I have the ‘Edit Active Audio Event Only’ option disabled. But this process doesn’t affect to the rest of the audio events.

Please, fix this.