protected MesToolBarItemDefinition(MesToolBarItemGroupDefinition group, int sortOrder, ToolBarItemDisplay display)
 {
     Group     = group;
     SortOrder = sortOrder;
     Display   = display;
 }
 public MesCommandToolBarItemDefinition(MesToolBarItemGroupDefinition group, int sortOrder, ToolBarItemDisplay display = ToolBarItemDisplay.IconOnly)
     : base(group, sortOrder, display)
 {
     _commandDefinition = Mvx.IoCProvider.Resolve <IMesCommandService>().GetCommandDefinition(typeof(TCommandDefinition));
     _keyGesture        = Mvx.IoCProvider.Resolve <IMesCommandKeyGestureService>().GetPrimaryKeyGesture(_commandDefinition);
 }