LayoutFarm.Composers.EaseScriptElement.ChangeFontColor C# (CSharp) Method

        public void ChangeFontColor(Color newcolor)
        {
            //change prop
            //then need to evaluate 
            if (elem == null)
            {
                return;
            }
            BoxSpec boxSpec = elem.Spec;
            if (boxSpec.ActualColor == newcolor)
            {
                return;
            }

            HtmlElement.InvokeNotifyChangeOnIdleState(
                elem,
                ElementChangeKind.Spec);
            //-------------------------------------
            var existingRuleSet = elem.ElementRuleSet;
            if (existingRuleSet == null)
            {
                //create new one                     
                elem.ElementRuleSet = existingRuleSet = new CssRuleSet();
                elem.IsStyleEvaluated = true;
            }
            existingRuleSet.AddCssCodeProperty(
                new CssPropertyDeclaration(
                    WellknownCssPropertyName.Color,
                    new CssCodeColor(
                        CssColorConv.ConvertToCssColor(newcolor))));
            HtmlElement.InvokeNotifyChangeOnIdleState(elem, ElementChangeKind.Spec);
        }
        public void ChangeBackgroundColor(Color backgroundColor)

        protected override void OnStartDemo(HtmlPanel panel)
        {
            var htmldoc = panel.HtmlHost.CreatePresentationHtmlDoc();
            var rootNode = htmldoc.RootNode;
            //1. create body node             
            // and content  

            //style 2, lambda and adhoc attach event
            rootNode.AddChild("body", body =>
            {
                body.AddChild("div", div =>
                {
                    div.AddChild("span", span =>
                    {
                        span.AddTextContent("ABCD");
                        //3. attach event to specific span
                        span.AttachMouseDownEvent(e =>
                        {
#if DEBUG

                            var s_span = new EaseScriptElement(span);
                            s_span.ChangeFontColor(PixelFarm.Drawing.Color.Blue);
#endif

                            e.StopPropagation();
                        });
                    });
                    div.AddChild("span", span =>
                    {
                        span.AddTextContent("EFGHIJK");
                        span.AttachMouseDownEvent(e =>
                        {
                            span.ClearAllElements();
                            span.AddTextContent("LMNOP0003");
                            var s_span = new EaseScriptElement(span);
                            s_span.ChangeFontColor(PixelFarm.Drawing.Color.Red);
                            s_span.ChangeBackgroundColor(PixelFarm.Drawing.Color.Yellow);
                        });
                        span.AttachMouseUpEvent(e =>
                        {
                            var s_span = new EaseScriptElement(span);
                            s_span.ChangeFontColor(PixelFarm.Drawing.Color.Black);
                            s_span.ChangeBackgroundColor(PixelFarm.Drawing.Color.White);
                        });
                    });
                    //----------------------
                    div.AttachEvent(UIEventName.MouseDown, e =>
                    {
#if DEBUG
                        //this will not print 
                        //if e has been stop by its child
                        // System.Diagnostics.Debugger.Break();
                        //Console.WriteLine("div");
#endif

                    });
                });
            });
            //2. add to view 
            panel.LoadHtmlDom(htmldoc,
               LayoutFarm.Composers.CssDefaults.DefaultStyleSheet);
        }