[DEVEXPRESS/WINFORM] ChartControl 클래스 : 실시간 차트 만들기

TestProject.zip

다운로드

▶ MainForm.cs

using System;
using System.Drawing;
using System.Windows.Forms;

using DevExpress.Utils;
using DevExpress.XtraCharts;
using DevExpress.XtraEditors;

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : XtraForm
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 타이머
        /// </summary>
        private Timer timer;

        /// <summary>
        /// 난수기
        /// </summary>
        private Random random = new Random();

        /// <summary>
        /// 시리즈 배열
        /// </summary>
        private Series[] seriesArray = new Series[2];

        /// <summary>
        /// 인덱스
        /// </summary>
        private int index = 0;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

        /// <summary>
        /// 생성자
        /// </summary>
        public MainForm()
        {
            InitializeComponent();

            #region 차트 컨트롤을 설정한다.

            this.seriesArray[0] = new Series("시리즈1", ViewType.Line);
            this.seriesArray[1] = new Series("시리즈2", ViewType.Line);
            
            this.chartControl.Series.Add(this.seriesArray[0]);
            this.chartControl.Series.Add(this.seriesArray[1]);
            
            this.chartControl.CrosshairEnabled = DefaultBoolean.False;
            
            XYDiagram diagram = (XYDiagram)this.chartControl.Diagram;
            
            diagram.AxisY.WholeRange.Auto             = false;
            diagram.AxisY.WholeRange.MinValue         = -100;
            diagram.AxisY.WholeRange.MaxValue         = 200;
            diagram.AxisX.WholeRange.SideMarginsValue = 0;
            
            ConstantLine constantLine = new ConstantLine();
            
            constantLine.Color        = Color.LightYellow;
            constantLine.AxisValue    = 0;
            constantLine.ShowInLegend = false;

            diagram.AxisY.ConstantLines.Add(constantLine);
            
            diagram.EnableAxisXScrolling = false;
            diagram.EnableAxisXZooming   = false;

            #endregion
            #region 타이머를 설정한다.

            this.timer = new Timer();

            this.timer.Interval = 300;

            #endregion
            #region 이벤트를 설정한다.

            Load            += Form_Load;
            this.timer.Tick += timer_Tick;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region 폼 로드시 처리하기 - Form_Load(sender, e)

        /// <summary>
        /// 폼 로드시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_Load(object sender, EventArgs e)
        {
            this.timer.Start();
        }

        #endregion
        #region 타이머 틱 처리하기 - timer_Tick(sender, e)

        /// <summary>
        /// 타이머 틱 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void timer_Tick(object sender, EventArgs e)
        {
            if(this.seriesArray[0].Points.Count > 10)
            {
                this.seriesArray[0].Points.RemoveAt(0);
                this.seriesArray[1].Points.RemoveAt(0);
            }
            
            this.seriesArray[0].Points.Add(new SeriesPoint(this.index, this.random.Next(-100, 200)));
            this.seriesArray[1].Points.Add(new SeriesPoint(this.index, this.random.Next( -50, 100)));

            this.index++;
        }

        #endregion
    }
}