Recently I was challenged getting declared commands enabled in an RCP application using own property testers. It seems the documentation of Eclipse’s Command Core Expressions framework is missing an important link that I’m gonna point out here.
RCP Application Plug-in
For this example create a new Plug-in project called de.rowlo.rcp.cce.app. Make sure to create a . . . → Read More: Eclipse Tips & Tricks: Property Testers with Command Core Expressions