Steema Central

Code: Select all

		public Form1()
		{
			InitializeComponent();
			InitializeChart();
		}

		private System.Diagnostics.Stopwatch stopWatchNET;
		private System.Diagnostics.Stopwatch stopWatchAX;
		private int NumPoints = 576000;

		private void InitializeChart()
		{
			stopWatchNET = new System.Diagnostics.Stopwatch();
			stopWatchAX = new System.Diagnostics.Stopwatch();

			tChart1.Aspect.View3D = false;
			tChart1.Legend.Visible = false;
			axTChart1.Aspect.View3D = false;
			axTChart1.Legend.Visible = false;

			for (int i = 0; i < 8; i++)
			{
				tChart1.Series.Add(new Steema.TeeChart.Styles.FastLine());

				//pre-assign ChartPens
				Pen rPen = new Pen(Color.Red);
				Steema.TeeChart.Drawing.ChartPen redPen = new Steema.TeeChart.Drawing.ChartPen(tChart1.Chart, rPen);;
				((Steema.TeeChart.Styles.FastLine)tChart1[i]).LinePen = redPen;

				axTChart1.AddSeries(TeeChart.ESeriesClass.scFastLine);
			}

			tChart1.AfterDraw += new Steema.TeeChart.PaintChartEventHandler(tChart1_AfterDraw);
			axTChart1.OnAfterDraw += new EventHandler(axTChart1_OnAfterDraw);

			buttonNET.Click += new EventHandler(buttonNET_Click);
			buttonAX.Click += new EventHandler(buttonAX_Click);
		}

		void buttonAX_Click(object sender, EventArgs e)
		{
			buttonAX.Enabled = false;

			stopWatchAX.Reset();
			stopWatchAX.Start();

			//axTChart1.AutoRepaint = false;

			double[] x1 = new double[NumPoints];
			for (int i = 0; i < x1.Length; i++)
			{
				x1[i] = i;
			}

			double[] random1 = new double[NumPoints];

			for (int i = 0; i < axTChart1.SeriesCount; i++)
			{
				FillArray(random1);
				axTChart1.Series(i).AddArray(x1.Length, random1, x1);
				//axTChart1.AutoRepaint = true;
				Application.DoEvents();
			}

			stopWatchAX.Stop();

			buttonAX.Enabled = true;

		}

		void buttonNET_Click(object sender, EventArgs e)
		{
			buttonNET.Enabled = false;

			stopWatchNET.Reset();
			stopWatchNET.Start();

			tChart1.AutoRepaint = false;

			double[] x1 = new double[NumPoints];
			for (int i = 0; i < x1.Length; i++)
			{
				x1[i] = i;
			}

			double[] random1 = new double[NumPoints];

			for (int i = 0; i < tChart1.Series.Count; i++)
			{
				FillArray(random1);
				tChart1[i].Add(x1, random1);
				tChart1.AutoRepaint = true;
				Application.DoEvents();
			}
			Application.DoEvents();

			stopWatchNET.Stop();

			buttonNET.Enabled = true;
		}

		private static void FillArray(double[] myArray)
		{
			Random y = new Random();
			for (int i = 0; i < myArray.Length; i++)
			{
				myArray[i] = y.Next();
			}
		}


		void axTChart1_OnAfterDraw(object sender, EventArgs e)
		{
			labelAX.Text = "Elapsed time: " + ElapsedTime(stopWatchAX) + " s";
		}

		private string ElapsedTime(System.Diagnostics.Stopwatch sw)
		{
			TimeSpan elapsedTime = sw.Elapsed;
			return elapsedTime.TotalSeconds.ToString(); ;
		}

		void tChart1_AfterDraw(object sender, Steema.TeeChart.Drawing.Graphics3D g)
		{
			labelNET.Text = "Elapsed time: " + ElapsedTime(stopWatchNET) + " s";
		}