Visual Hello World in C#

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

namespace lecture_09
{
	/// 

	/// Summary description for FormHW.
	/// 
	public class FormHW : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label labelHW;
		private System.Windows.Forms.Button buttonClose;
		/// 

		/// Required designer variable.
		/// 
		private System.ComponentModel.Container components = null;

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

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

		/// 

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

		#region Windows Form Designer generated code
		/// 

		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// 
		private void InitializeComponent()
		{
			this.labelHW = new System.Windows.Forms.Label();
			this.buttonClose = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// labelHW
			// 
			this.labelHW.Font = new System.Drawing.Font("Microsoft Sans Serif", 24F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((System.Byte)(0)));
			this.labelHW.Location = new System.Drawing.Point(32, 64);
			this.labelHW.Name = "labelHW";
			this.labelHW.Size = new System.Drawing.Size(232, 64);
			this.labelHW.TabIndex = 0;
			this.labelHW.Text = "Hello World!";
			// 
			// buttonClose
			// 
			this.buttonClose.Location = new System.Drawing.Point(80, 168);
			this.buttonClose.Name = "buttonClose";
			this.buttonClose.Size = new System.Drawing.Size(128, 48);
			this.buttonClose.TabIndex = 1;
			this.buttonClose.Text = "Close";
			this.buttonClose.Click += new System.EventHandler(this.buttonClose_Click);
			// 
			// FormHW
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(292, 266);
			this.Controls.Add(this.buttonClose);
			this.Controls.Add(this.labelHW);
			this.Name = "FormHW";
			this.Text = "Hello World!";
			this.ResumeLayout(false);

		}
		#endregion

		/// 

		/// The main entry point for the application.
		/// 
		[STAThread]
		static void Main() 
		{
			Application.Run(new FormHW());
		}

		private void buttonClose_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}
	}
}