MARKUS

        public TextBox Base_TextBox = null;

        public TextBlock Base_TextBlock = null;

        public Border BaseTextbox_Caret = null;

        private const double _CloudArcDepth = 0.8;  /// 2018.05.14 added by humkyung

            this.BaseTextbox_Caret.Visibility = Visibility.Collapsed;

            this.IsEditingMode = false;

            ApplyOverViewData();

        }

        void Base_TextBox_GotFocus(object sender, RoutedEventArgs e)

        {

            this.OverViewPathData = this.PathData;

            if (ArrowText == "")

                this.ArrowText = this.OverViewArrowText;

            else

                this.OverViewArrowText = this.ArrowText;

            this.OverViewStartPoint = this.StartPoint;