Пример #1
0
        // <snippet3>
        protected override void Render(HtmlTextWriter writer)
        {
            // Create an instance of the XhtmlTextWriter class,
            // named w, and cast the HtmlTextWriter passed
            // in the writer parameter to w.
            XhtmlTextWriter w = new XhtmlTextWriter(writer);

            // Create a string variable, named value, to hold
            // the control's Text property value.
            String value = Control.Text;


            // Create a Boolean variable, named attTest,
            // to test whether the Style attribute is
            // valid in the page that the control is
            // rendered to.
            Boolean attTest = w.IsValidFormAttribute("style");

            // Check whether attTest is true or false.
            // If true, a style is applied to the XHTML
            // content. If false, no style is applied.
            if (attTest)
            {
                w.EnterStyle(Control.ControlStyle);
            }

            // Write the Text property value of the control,
            // a <br> element, and a string. Consider encoding the value using WriteEncodedText.
            w.Write(value);
            w.WriteBreak();
            w.Write("This control conditionally rendered its styles for XHTML.");

            // Check whether attTest is true or false.
            // If true, the XHTML style is closed.
            // If false, nothing is rendered.
            if (attTest)
            {
                w.ExitStyle(Control.ControlStyle);
            }
        }