■ CrossPoints 클래스를 사용해 교차점을 계산하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; using Steema.TeeChart.Functions; using Steema.TeeChart.Styles; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 교차점 함수 /// </summary> private CrossPoints crossPoints; /// <summary> /// 라인 1 시리즈 /// </summary> private Line line1; /// <summary> /// 라인 2 시리즈 /// </summary> private Line line2; /// <summary> /// 라인 3 시리즈 /// </summary> private Line line3; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 교차점 함수를 생성한다. this.crossPoints = new CrossPoints(); #endregion #region 라인 1 시리즈를 생성한다. this.line1 = new Line(); this.line1.Title = "line1"; this.line1.Brush.Color = Color.FromArgb(200, 230, 90); this.line1.Color = Color.FromArgb(200, 230, 90); #endregion #region 라인 2 시리즈를 생성한다. this.line2 = new Line(); this.line2.Title = "line2"; this.line2.Brush.Color = Color.FromArgb(90, 150, 220); this.line2.Color = Color.FromArgb(90, 150, 220); #endregion #region 라인 3 시리즈를 생성한다. this.line3 = new Line(); this.line3.Title = "line3"; this.line3.Brush.Color = Color.FromArgb(230, 90, 40); this.line3.Color = Color.FromArgb(230, 90, 40); this.line3.Pointer.Brush.Color = Color.Yellow; this.line3.Pointer.HorizSize = 2; this.line3.Pointer.VertSize = 2; this.line3.Pointer.Visible = true; this.line3.DataSource = new object[] { this.line1, this.line2 }; this.line3.Function = this.crossPoints; #endregion #region 티차트를 설정한다. this.tChart.Axes.Left.MaximumOffset = 3; this.tChart.Axes.Left.MinimumOffset = 3; this.tChart.Axes.Bottom.MaximumOffset = 3; this.tChart.Axes.Bottom.MinimumOffset = 3; this.tChart.Series.Add(this.line1); this.tChart.Series.Add(this.line2); this.tChart.Series.Add(this.line3); #endregion for(double x = -5; x < 5; x += 0.2) { this.line1.Add(x, Math.Sin(Math.PI / 2 * x) ); this.line2.Add(x, Math.Sin(Math.PI / 6 * x) - 0.25); } this.line3.CheckDataSource(); this.showCrosspointCheckBox.CheckedChanged += showCrosspointCheckBox_CheckedChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 교차점 표시 체크 박스 체크 변경시 처리하기 - showCrosspointCheckBox_CheckedChanged(sender, e) /// <summary> /// 교차점 표시 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void showCrosspointCheckBox_CheckedChanged(object sender, EventArgs e) { this.line3.Active = this.showCrosspointCheckBox.Checked; } #endregion } } |
