public override void InternalSetBorderThickness(Thickness value)
        {
            this.InternalBorderThickness = value;

            InternalUpdateBorderThickness();
        }
        public override void InternalSetBorderThickness(Thickness value)
        {
            this.InternalBorderThickness = value;

            if (this.InternalBorderThickness.InternalValue == 0)
            {
                this.InternalTextField.border = false;

                return;
            }

            if (this.InternalBorderThickness.InternalValue == 1)
            {
                this.InternalTextField.border = true;

                return;
            }

            throw new NotSupportedException();
        }