Are you running with the compat layer? All you show is part of the
compat layer and you can't simply use it in a plain e4 app.
Like in the other reply please ask such questions on the e4 newsgroup.
Am 11.10.12 19:21, schrieb Alex Kipling:
> Hello, I am building an Eclipse 4 Application and I would like to make
> an about dialog as known from Eclipse 3.
> I used the Menu Spy and learned the following:
> Theactive contribution location URI:
> The active action definition identifier:
> The active contribution item class:
> The contributing plug-in:
> Can I somehow use this action to open or extend the about dialog in my