using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;

namespace PNETDemo
{
	/// <summary>
	/// Summary description for WinForm.
	/// </summary>
	public class WinForm : System.Windows.Forms.Form
	{
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		private System.Windows.Forms.Button button1;

		public WinForm()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();

			//
			// TODO: Add any constructor code after InitializeComponent call
			//
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose (bool disposing)
		{
			if (disposing)
			{
				if (components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose(disposing);
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.button1 = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// button1
			// 
			this.button1.Location = new System.Drawing.Point(72, 80);
			this.button1.Name = "button1";
			this.button1.Size = new System.Drawing.Size(368, 64);
			this.button1.TabIndex = 0;
			this.button1.Text = "button1";
			this.button1.Click += new System.EventHandler(this.button1_Click);
			// 
			// WinForm
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 15);
			this.ClientSize = new System.Drawing.Size(480, 266);
			this.Controls.Add(this.button1);
			this.Name = "WinForm";
			this.Text = "WinForm";
			this.ResumeLayout(false);
		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			Application.Run(new WinForm());
		}
		
		private void button1_Click(object sender, System.EventArgs e)
		{
		  Hashtable atbl = new Hashtable();

		  IEnumerator aintf = atbl.GetEnumerator();
		  VisitAll(aintf);

		  Stack astk = new Stack(10);
		  aintf = astk.GetEnumerator();
		  VisitAll(aintf);
		}

		void VisitAll(IEnumerator intf)
		{
		  while (intf.MoveNext())
		  {
            Object aobj = intf.Current;
		  }
		}
	}
}
