// Overrides the Render method to write a <span> element
// that applies styles and attributes. 
protected override void Render(HtmlTextWriter writer) 
{     
    // Set attributes and values along with attributes and styles  
    // attribute defined for a <span> element.
    writer.AddAttribute(HtmlTextWriterAttribute.Onclick, "alert('Hello');");
    writer.AddAttribute("CustomAttribute", "CustomAttributeValue");
    writer.AddStyleAttribute(HtmlTextWriterStyle.Color, "Red");
    writer.AddStyleAttribute("Customstyle", "CustomStyleValue");
    writer.RenderBeginTag(HtmlTextWriterTag.Span);
    // Create a space and indent the markup inside the 
    // <span> element.
    writer.WriteLine();
    writer.Indent++;
    writer.Write("Hello");
    writer.WriteLine();
    
    // Controls the encoding of markup attributes
    // for an <img> element. Simple known values 
    // do not need encoding.
    writer.AddAttribute(HtmlTextWriterAttribute.Alt, 
        "Encoding, \"Required\"", 
        true);
    writer.AddAttribute("myattribute", 
        "No &quot;encoding &quot; required", 
        false);
    writer.RenderBeginTag(HtmlTextWriterTag.Img);
    writer.RenderEndTag();
    writer.WriteLine();

    // Create a non-standard markup element.
    writer.RenderBeginTag("MyTag");
    writer.Write("Contents of MyTag");
    writer.RenderEndTag();
    writer.WriteLine();

    // Create a manually rendered <img> element
    // that contains an alt attribute.
    writer.WriteBeginTag("img");
    writer.WriteAttribute("alt", "A custom image.");
    writer.Write(HtmlTextWriter.TagRightChar);
    writer.WriteEndTag("img");
    writer.WriteLine();

    writer.Indent--;
    writer.RenderEndTag();
}