ProjectsForTest/WinForm.NET5TeeChart-NET-Pro-Samples/Series/Fastline_DrawAll.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections;
using System.ComponentModel;
using System.Drawing;

using System.Windows.Forms;


namespace Steema.TeeChart.Samples
{
	public class FastLine_DrawAll : Steema.TeeChart.Samples.BaseForm
	{
		private Steema.TeeChart.Styles.FastLine fastLineSeries1;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.RadioButton radioButton1;
		private System.Windows.Forms.RadioButton radioButton2;
		private System.ComponentModel.IContainer components = null;

		public FastLine_DrawAll()
		{
			// This call is required by the Windows Form Designer.
			InitializeComponent();

			const int numPoints = 100000;

			this.fastLineSeries1.GetHorizAxis.SetMinMax(0,numPoints-1);
			// tell Series1 to draw non-repeated points only ( much faster ! )
			this.fastLineSeries1.DrawAllPoints = false;
			// this.tChart1.Axes.FastCals = true;
			
			// lets generate 1E+5 points }
#if VS2005 && NULLABLE
            double?[] myX = new double?[numPoints];
			double?[] myY = new double?[numPoints];
#else
            double[] myX = new double[numPoints];
			double[] myY = new double[numPoints];
#endif
            
			System.Random r = new System.Random();
			double tmp = r.NextDouble()*10000;
			for (int t=0; t<numPoints; t++)
			{
				tmp += r.Next(100)-49.5;
				myX[t] = t;
				myY[t] = tmp;
			}

			// now add points to series
			this.fastLineSeries1.XValues.Count = numPoints;
			this.fastLineSeries1.XValues.Value = myX;
			this.fastLineSeries1.YValues.Count = numPoints;
			this.fastLineSeries1.YValues.Value = myY;


		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>