public ViewOperationWithContextMenu(Core.Document document, Graphics.StandardViewOperation.Setting setting)
     : this(document, setting, SI.CreateContextMenu)
 {
 }
 public ViewOperationWithContextMenu(
     Core.Document document, Graphics.StandardViewOperation.Setting setting, Func <ContextMenuStrip> createContextMenu)
     : base(document, setting)
 {
     _createContextMenu = createContextMenu;
 }