Index: sources/model/MListModel.h
===================================================================
diff -u -rbae1ae230d8b41f90b1fcd34b9bccdfa87bf3cd9 -rc1e50347c78096b626b2cd1ef32a33b439e88bdd
--- sources/model/MListModel.h	(.../MListModel.h)	(revision bae1ae230d8b41f90b1fcd34b9bccdfa87bf3cd9)
+++ sources/model/MListModel.h	(.../MListModel.h)	(revision c1e50347c78096b626b2cd1ef32a33b439e88bdd)
@@ -22,13 +22,15 @@
 public:
     explicit MListModel(QObject *parent = nullptr);
 
-    void                    insertRow   (const int pos, const QHash<int, QVariant> &vData                           );
     QHash<int, QByteArray>  roleNames   (                                                                           ) const override;
     int                     rowCount    (const QModelIndex & = QModelIndex()                                        ) const override;
     QVariant                data        (const QModelIndex &vIndex, int vRole = Qt::DisplayRole                     ) const override;
     bool                    setData     (const QModelIndex &vIndex, const QVariant& vValue, int vRole = Qt::EditRole) override;
     void                    clear       (                                                                           );
     void                    setRoleNames(const QHash<int, QByteArray>& vRoleNames                                   );
+    void                    appendRow   (const QHash<int, QVariant> &vData                                          );
+    void                    insertRow   (const int vRow, const QHash<int, QVariant> &vData                          );
+    void                    updateData  (const int vRow, const int vRole, const QVariant& vValue                    );
     MListModel              &operator = (const QList<QHash<int, QVariant>> &src                                     );
 
 public Q_SLOTS:
@@ -40,6 +42,6 @@
 private:
     QList<QHash<int, QVariant>> _data;
     QHash<int, QByteArray>      _roleNames;
-
 };
-}
+
+} // namespace View