gtk:about-dialog-license (object)

object -- a gtk:about-dialog widget
license -- a string with the license of the program

Accessor of the license slot of the gtk:about-dialog class. The gtk:about-dialog-license function returns the license information. The (setf gtk:about-dialog-license) function sets the license information to be displayed in the secondary license dialog. If the license argument is nil, the license button is hidden.