C#

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<br />
using System;<br />
using System.Web.UI;<br />
using System.Web.UI.WebControls;<br />
<br />
namespace QuoteBuilder_0_3.Controls.ToolBar {<br />
	<br />
	public class ToolBar : Control, INamingContainer {<br />
		private System.Collections.ArrayList toolList = new System.Collections.ArrayList(10);<br />
		public enum ToolType { PageSizeCbo=0 }<br />
		<br />
		public ToolBar() {}<br />
<br />
		private void build () {<br />
			Controls.Add(new LiteralControl("<div class='ToolbarContainer'>"));<br />
			Table table = new Table();<br />
			table.CssClass = "Toolbar";<br />
			TableRow row = new TableRow();<br />
			TableCell sepCell = new TableCell();<br />
			sepCell.CssClass = "ToolbarSeparatorCell";<br />
			sepCell.Controls.Add(new LiteralControl("|"));<br />
			for (int i=0; i<toolList.Count; i++) {<br />
				if (null == toolList[i])<br />
					break;<br />
				TableCell btnCell = new TableCell();<br />
				btnCell.CssClass = "ToolbarButtonCell";<br />
				btnCell.Controls.Add((Control)toolList[i]);<br />
				row.Cells.Add(btnCell);<br />
				row.Cells.Add(sepCell);<br />
			}<br />
			table.Rows.Add(row);<br />
			Controls.Add(table);<br />
			Controls.Add(new LiteralControl("</div>"));<br />
		}<br />
<br />
		public void AddTool (ToolType toolType) {<br />
			switch (toolType) {<br />
				case ToolType.PageSizeCbo:<br />
					toolList.Insert((int)toolType, new PageSizeCbo());<br />
					break;<br />
			}<br />
		}<br />
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		protected override void Render(System.Web.UI.HtmlTextWriter writer) {<br />
			build();<br />
			base.Render (writer);<br />
		}<br />
<br />
		protected override bool OnBubbleEvent(object source, EventArgs args) {<br />
			Context.Response.Write("bubble handled!");<br />
			return true;<br />
		}<br />
	}<br />
}<br />

<br />
using System;<br />
using System.Web.UI;<br />
using System.Web.UI.WebControls;<br />
<br />
namespace QuoteBuilder_0_3.Controls.ToolBar {<br />
	public class PageSizeCbo : DropDownList, IToolBarTool {<br />
		private const int TOTAL_OPTIONS = 5;<br />
		private int [] pageSizeValues = new int[TOTAL_OPTIONS] { 0, 10, 25, 50, 100 };<br />
		private string [] pageSizeDisplay = new string[TOTAL_OPTIONS] { "Unlimited", "10", "25", "50", "100" };<br />
		<br />
		public PageSizeCbo() : base() {<br />
			SelectedIndexChanged += new EventHandler(PageSizeCbo_SelectedIndexChanged);<br />
			Build();<br />
		}<br />
<br />
		public Control Build () {<br />
			for (int i=0; i<TOTAL_OPTIONS; i++) {<br />
				Items.Add(new ListItem(pageSizeDisplay[i], pageSizeValues[i].ToString()));<br />
			}<br />
			CssClass = "pageSizeCombo";<br />
			EnableViewState = true;<br />
			AutoPostBack = true;<br />
			return this;<br />
		}<br />
<br />
		private void PageSizeCbo_SelectedIndexChanged(object sender, EventArgs e) {<br />
			Context.Response.Write("Raising Bubble Event...<br/>");<br />
			RaiseBubbleEvent(sender, e);<br />
		}<br />
<br />
		protected override bool OnBubbleEvent(object source, EventArgs args) {<br />
			Context.Response.Write("Handling bubble from base cbo...");<br />
			return false;<br />
		}<br />
	}<br />
}<br />