[ A simple] code execution speed test class

				
//**************************************
// Name: [ A simple] code execution speed test class
// Description:A very simple and easy to use stopwatch class for code execution speed tests.
Simply paste the code for enumCStopWatchStateMachine and CStopWatch
into your project and
call reset() to reset the stopwatch to 0
call start() to start the stopwatch
call stop() to stop the stop watch
call getTimeEllapsedInMilliseconds() to get the current milliseconds in the stop watch
// By: lonetron
//
//This code is copyrighted and has// limited warranties.Please see http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=1627&lngWId=10//for details.//**************************************

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
namespace InCodeTimeTest{
	/*
				-----------------------------------------------------------------------------
				A very simple and easy to use stopwatch class for code execution speed tests.
				Simply paste the code for enumCStopWatchStateMachine and CStopWatch
				into your project and
				call reset() to reset the stopwatch to 0
				call start() to start the stopwatch
				call stop() to stop the stop watch
				call getTimeEllapsedInMilliseconds() to get the current milliseconds in the stop watch
				-----------------------------------------------------------------------------
	*/
	public enum enumCStopWatchStateMachine
	{
		STOPPED_AND_NEVER_BEEN_STARTED,
		RETURNING_ZERO,
		BEENSTARTED_AND_COUNTING,
		RETURNING_DIFFERENCE_PLUS_CASHED_TIME_DIFFERENCE,
		BEEN_STARTED_AND_NOT_COUNTING,
		RETURNING_CASHED_TIME_DIFFERENCE
	}
	//Works just like a stop watch
	public class CStopWatch
	{
		System.DateTime m_tmStartDateTime;
		enumCStopWatchStateMachine m_enumState;
		int m_intTimeEllapsedInMilliseconds;
		//events
		void CSpeedTest()
		{
			lock(this)
			{
				stateSTOPPED_AND_NEVER_BEEN_STARTED();
				m_enumState = enumCStopWatchStateMachine.STOPPED_AND_NEVER_BEEN_STARTED;
			}
		}
		public int getTimeEllapsedInMilliseconds()
		{
			lock(this)
			{
				switch(m_enumState)
				{
					case enumCStopWatchStateMachine.STOPPED_AND_NEVER_BEEN_STARTED:
						return stateRETURNING_ZERO();
					case enumCStopWatchStateMachine.BEENSTARTED_AND_COUNTING:
						return stateRETURNING_DIFFERENCE_PLUS_CASHED_TIME_DIFFERENCE();
					case enumCStopWatchStateMachine.BEEN_STARTED_AND_NOT_COUNTING:
						return stateRETURNING_CASHED_TIME_DIFFERENCE();
				}
				return 0;
			}
		}
		public void reset()
		{
			lock(this)
			{
				m_enumState = enumCStopWatchStateMachine.STOPPED_AND_NEVER_BEEN_STARTED;
				stateSTOPPED_AND_NEVER_BEEN_STARTED();
			}
		}
		public void start()
		{
			lock(this)
			{
				switch(m_enumState)
				{
					case enumCStopWatchStateMachine.STOPPED_AND_NEVER_BEEN_STARTED:
						m_enumState = enumCStopWatchStateMachine.BEENSTARTED_AND_COUNTING;
						stateBEENSTARTED_AND_COUNTING();
						break;
					case enumCStopWatchStateMachine.BEENSTARTED_AND_COUNTING:
						//do nothing
						break;
					case enumCStopWatchStateMachine.BEEN_STARTED_AND_NOT_COUNTING:
						m_enumState = enumCStopWatchStateMachine.BEENSTARTED_AND_COUNTING;
						stateBEENSTARTED_AND_COUNTING();
						break;
				}
			}
		}
		public void stop()
		{
			lock(this)
			{
				switch(m_enumState)
				{
					case enumCStopWatchStateMachine.STOPPED_AND_NEVER_BEEN_STARTED:
						//do nothing
						break;
					case enumCStopWatchStateMachine.BEENSTARTED_AND_COUNTING:
						m_enumState = enumCStopWatchStateMachine.BEEN_STARTED_AND_NOT_COUNTING;
						stateBEEN_STARTED_AND_NOT_COUNTING();
						break;
					case enumCStopWatchStateMachine.BEEN_STARTED_AND_NOT_COUNTING:
						//do nothing
						break;
				}
			}
		}
		//States
		protected void stateSTOPPED_AND_NEVER_BEEN_STARTED()
		{
			//zero out cashed difference
			m_intTimeEllapsedInMilliseconds = 0;
		}
		protected int stateRETURNING_ZERO()
		{
			//return 0
			return 0;
		}
		protected void stateBEENSTARTED_AND_COUNTING()
		{
			//reset start datetime to now
			m_tmStartDateTime = System.DateTime.Now;
		}
		protected int stateRETURNING_DIFFERENCE_PLUS_CASHED_TIME_DIFFERENCE()
		{
			//return timeEllapsed between start datetime and now + cashed difference 
			System.DateTime tmNow = System.DateTime.Now;
			return ((((((tmNow.Hour * (24 * 60 * 1000)) + (tmNow.Minute * (60 * 1000))) + (tmNow.Second * 1000)) + tmNow.Millisecond) - ((((m_tmStartDateTime.Hour * (24 * 60 * 1000)) + (m_tmStartDateTime.Minute * (60 * 1000))) + (m_tmStartDateTime.Second * 1000)) + m_tmStartDateTime.Millisecond))) + m_intTimeEllapsedInMilliseconds;
		}
		protected void stateBEEN_STARTED_AND_NOT_COUNTING()
		{
			//cashed difference = timeEllapsed between start datetime and now + cashed difference
			System.DateTime tmNow = System.DateTime.Now;
			m_intTimeEllapsedInMilliseconds = ((((((tmNow.Hour * (24 * 60 * 1000)) + (tmNow.Minute * (60 * 1000))) + (tmNow.Second * 1000)) + tmNow.Millisecond) - ((((m_tmStartDateTime.Hour * (24 * 60 * 1000)) + (m_tmStartDateTime.Minute * (60 * 1000))) + (m_tmStartDateTime.Second * 1000)) + m_tmStartDateTime.Millisecond))) + m_intTimeEllapsedInMilliseconds;
		}
		protected int stateRETURNING_CASHED_TIME_DIFFERENCE()
		{
			//return cashed difference
			return m_intTimeEllapsedInMilliseconds;
		}
	}
	public class CInCodeTimeTest : System.Windows.Forms.Form
	{
		/*
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		CStopWatch m_StopWatch;
		private void CInCodeTimeTest_Load(object sender, System.EventArgs e)
		{m_StopWatch = new CStopWatch();}
		private void cmdReset_Click(object sender, System.EventArgs e)
		{m_StopWatch.reset();}
		private void cmdStart_Click(object sender, System.EventArgs e)
		{m_StopWatch.start();}
		private void cmdStop_Click(object sender, System.EventArgs e)
		{m_StopWatch.stop();}
		private void cmdDisplay_Click(object sender, System.EventArgs e)
		{txtOutPut.Text = m_StopWatch.getTimeEllapsedInMilliseconds().ToString();
		
		
		
		}
		private System.Windows.Forms.Button cmdReset;
		private System.Windows.Forms.Button cmdStart;
		private System.Windows.Forms.Button cmdStop;
		private System.Windows.Forms.Button cmdDisplay;
		private System.Windows.Forms.TextBox txtOutPut;
		#region ConstructAndDispose
		private System.ComponentModel.Container components = null;
		public CInCodeTimeTest(){
			InitializeComponent();
		}
		protected override void Dispose( bool disposing )
		{
			if( disposing ){
				if (components != null) {
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}
		#endregion
		#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.cmdReset = new System.Windows.Forms.Button();
			this.cmdStart = new System.Windows.Forms.Button();
			this.cmdStop = new System.Windows.Forms.Button();
			this.cmdDisplay = new System.Windows.Forms.Button();
			this.txtOutPut = new System.Windows.Forms.TextBox();
			this.SuspendLayout();
			// 
			// cmdReset
			// 
			this.cmdReset.Location = new System.Drawing.Point(0, 8);
			this.cmdReset.Name = "cmdReset";
			this.cmdReset.Size = new System.Drawing.Size(72, 24);
			this.cmdReset.TabIndex = 1;
			this.cmdReset.Text = "Reset";
			this.cmdReset.Click += new System.EventHandler(this.cmdReset_Click);
			// 
			// cmdStart
			// 
			this.cmdStart.Location = new System.Drawing.Point(72, 8);
			this.cmdStart.Name = "cmdStart";
			this.cmdStart.Size = new System.Drawing.Size(72, 24);
			this.cmdStart.TabIndex = 2;
			this.cmdStart.Text = "Start";
			this.cmdStart.Click += new System.EventHandler(this.cmdStart_Click);
			// 
			// cmdStop
			// 
			this.cmdStop.Location = new System.Drawing.Point(144, 8);
			this.cmdStop.Name = "cmdStop";
			this.cmdStop.Size = new System.Drawing.Size(72, 24);
			this.cmdStop.TabIndex = 3;
			this.cmdStop.Text = "Stop";
			this.cmdStop.Click += new System.EventHandler(this.cmdStop_Click);
			// 
			// cmdDisplay
			// 
			this.cmdDisplay.Location = new System.Drawing.Point(216, 8);
			this.cmdDisplay.Name = "cmdDisplay";
			this.cmdDisplay.Size = new System.Drawing.Size(72, 24);
			this.cmdDisplay.TabIndex = 4;
			this.cmdDisplay.Text = "Display";
			this.cmdDisplay.Click += new System.EventHandler(this.cmdDisplay_Click);
			// 
			// txtOutPut
			// 
			this.txtOutPut.Location = new System.Drawing.Point(92, 126);
			this.txtOutPut.Name = "txtOutPut";
			this.txtOutPut.Size = new System.Drawing.Size(104, 20);
			this.txtOutPut.TabIndex = 9;
			this.txtOutPut.Text = "";
			// 
			// CInCodeTimeTest
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(288, 273);
			this.Controls.AddRange(new System.Windows.Forms.Control[] {
																		 this.txtOutPut,
																		 this.cmdDisplay,
																		 this.cmdStop,
																		 this.cmdStart,
																		 this.cmdReset});
			this.Name = "CInCodeTimeTest";
			this.Text = "In Code Time Test";
			this.Load += new System.EventHandler(this.CInCodeTimeTest_Load);
			this.ResumeLayout(false);
		}
		#endregion
		#region Main
		[STAThread]
		static void Main() 
		{
			Application.Run(new CInCodeTimeTest());
		}
		#endregion Main
	}
}