getLogo
Returns the paintable displayed as logo in the about dialog.
Return
the paintable displayed as logo or NULL
if the logo is unset or has been set via method@Gtk.AboutDialog.set_logo_icon_name
Returns the paintable displayed as logo in the about dialog.
the paintable displayed as logo or NULL
if the logo is unset or has been set via method@Gtk.AboutDialog.set_logo_icon_name