LayoutFarm.CustomWidgets.HtmlBox.OnKeyUp C# (CSharp) Method

        protected override void OnKeyUp(UIKeyEventArgs e)
        {
            if (e.Ctrl)
            {
                switch (e.KeyCode)
                {
                    case UIKeys.C:
                        {
                            //ctrl+ c => copy to clipboard
                            StringBuilder stbuilder = new StringBuilder();
                            this.myHtmlCont.CopySelection(stbuilder);
                            LayoutFarm.UI.Clipboard.SetText(stbuilder.ToString());
                        }
                        break;
                }
            }

            e.CurrentContextElement = this;
        }
        public override RenderElement GetPrimaryRenderElement(RootGraphic rootgfx)