■ FastLine 클래스의 Delete 메소드를 사용하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; using Steema.TeeChart.Drawing; using Steema.TeeChart.Styles; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 전체 포인트 수 /// </summary> private int totalPointCount = 10000; /// <summary> /// 스크롤 포인트 수 /// </summary> private int scrollPointCount = 5000; /// <summary> /// 난수기 /// </summary> private Random random = new Random(); /// <summary> /// 고속 라인 1 /// </summary> private FastLine fastLine1; /// <summary> /// 고속 라인 2 /// </summary> private FastLine fastLine2; /// <summary> /// 중단 여부 /// </summary> private bool stopped = true; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Text = "FastLine 클래스 : Delete 메소드 사용하기"; this.tChart.Aspect.View3D = false; this.tChart.Panel.Pen = new ChartPen(Color.Black); this.tChart.Header.Visible = false; this.tChart.Legend.Visible = false; this.tChart.Axes.Left.AxisPen.Width = 1; this.tChart.Axes.Bottom.AxisPen.Width = 1; this.tChart.Axes.Bottom.Labels.RoundFirstLabel = false; this.tChart.Axes.Left.SetMinMax(0, 10000); this.tChart.Axes.Bottom.SetMinMax(1, totalPointCount); this.fastLine1 = new FastLine(this.tChart.Chart); this.fastLine1.AutoRepaint = false; this.fastLine1.DrawAllPoints = false; this.fastLine1.XValues.Order = ValueListOrder.None; this.fastLine2 = new FastLine(this.tChart.Chart); this.fastLine2.AutoRepaint = false; this.fastLine2.DrawAllPoints = false; this.fastLine2.XValues.Order = ValueListOrder.None; FormClosed += Form_FormClosed; this.startButton.Click += startButton_Click; this.drawAllPointsCheckBox.CheckedChanged += drawAllPointsCheckBox_CheckedChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 폼을 닫은 경우 처리하기 - Form_FormClosed(sender, e) /// <summary> /// 폼을 닫은 경우 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void Form_FormClosed(object sender, FormClosedEventArgs e) { this.stopped = true; } #endregion #region 시작 버튼 클릭시 처리하기 - startButton_Click(sender, e) /// <summary> /// 시작 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void startButton_Click(object sender, EventArgs e) { if(this.stopped) { this.stopped = false; this.startButton.Text = "중단"; this.totalPointCountTextBox.Enabled = false; this.scrollPointCountTextBox.Enabled = false; this.totalPointCount = Convert.ToInt32(this.totalPointCountTextBox.Text ); this.scrollPointCount = Convert.ToInt32(this.scrollPointCountTextBox.Text); this.tChart.Axes.Bottom.SetMinMax(1,totalPointCount); this.fastLine1.Clear(); this.fastLine2.Clear(); Random random = new Random(); fastLine1.Add(random.Next(10000)); fastLine2.Add(random.Next(5000 )); Application.DoEvents(); while(!this.stopped) { AddPoint(this.fastLine1); AddPoint(this.fastLine2); if(this.fastLine1.Count > this.totalPointCount - 1) { ScrollPoints(); } } } else { this.stopped = true; this.startButton.Text="시작"; this.totalPointCountTextBox.Enabled = true; this.scrollPointCountTextBox.Enabled = true; } } #endregion #region 모든 포인트 그리기 체크 박스 체크 변경시 처리하기 - drawAllPointsCheckBox_CheckedChanged(sender, e) /// <summary> /// 모든 포인트 그리기 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void drawAllPointsCheckBox_CheckedChanged(object sender, EventArgs e) { this.fastLine1.DrawAllPoints = this.drawAllPointsCheckBox.Checked; this.fastLine2.DrawAllPoints = this.drawAllPointsCheckBox.Checked; } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 포인트 추가하기 - AddPoint(fastLine) /// <summary> /// 포인트 추가하기 /// </summary> /// <param name="fastLine">고속 라인</param> private void AddPoint(FastLine fastLine) { fastLine.Add ( fastLine.XValues.Last + 1, fastLine.YValues.Last + this.random.Next(10) - 4.5 ); } #endregion #region 포인트 스크롤하기 - ScrollPoints() /// <summary> /// 포인트 스크롤하기 /// </summary> private void ScrollPoints() { double lastXValue; double minimumYValue; double maximumYValue; this.fastLine1.Delete(0, this.scrollPointCount); this.fastLine2.Delete(0, this.scrollPointCount); lastXValue = this.fastLine1.XValues.Last; this.tChart.Axes.Bottom.SetMinMax(lastXValue - this.totalPointCount + this.scrollPointCount, lastXValue + this.scrollPointCount); minimumYValue = this.fastLine1.YValues.Minimum; if(this.fastLine2.YValues.Minimum < minimumYValue) { minimumYValue = this.fastLine2.YValues.Minimum; } maximumYValue = this.fastLine1.YValues.Maximum; if(this.fastLine2.YValues.Maximum > maximumYValue) { maximumYValue = this.fastLine2.YValues.Maximum; } this.tChart.Axes.Left.SetMinMax(minimumYValue - minimumYValue * 0.2, maximumYValue + maximumYValue * 0.2); Application.DoEvents(); } #endregion } } |
