+ void trust_content_headers_changed (wxCommandEvent &);
+ void content_selection_changed (wxListEvent &);
+ void content_activated (wxListEvent &);
+ void content_add_clicked (wxCommandEvent &);
+ void content_remove_clicked (wxCommandEvent &);
+ void content_edit_clicked (wxCommandEvent &);
+ void content_earlier_clicked (wxCommandEvent &);
+ void content_later_clicked (wxCommandEvent &);
+ void imagemagick_video_length_changed (wxCommandEvent &);