■ Custom 클래스를 사용해 사용자 정의 함수를 그리는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; using Steema.TeeChart.Editors; using Steema.TeeChart.Styles; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 커스텀 함수 /// </summary> private Steema.TeeChart.Functions.Custom custom; /// <summary> /// 라인 시리즈 /// </summary> private Line line; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 커스텀 함수를 생성한다. this.custom = new Steema.TeeChart.Functions.Custom(); this.custom.StartX = 0; this.custom.Period = 1; this.custom.NumPoints = 100; #endregion #region 라인 시리즈를 생성한다. this.line = new Line(); this.line.Title = "line"; this.line.Brush.Color = Color.FromArgb(255, 165, 0); this.line.Color = Color.FromArgb(255, 165, 0); this.line.Function = this.custom; #endregion this.tChart.Series.Add(this.line); this.custom.CalculateEvent += custom_CalculateEvent; this.editButton.Click += editButton_Click; this.line.CheckDataSource(); } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 커스텀 함수 계산시 처리하기 - custom_CalculateEvent(sender, e) /// <summary> /// 커스텀 함수 계산시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void custom_CalculateEvent(object sender, Steema.TeeChart.Functions.CalculateEventArgs e) { e.Y = Math.Sin(e.X * 0.1); } #endregion #region 편집 버튼 클릭시 처리하기 - editButton_Click(sender, e) /// <summary> /// 편집 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void editButton_Click(object sender, EventArgs e) { SeriesEditor.ShowEditor(custom.Series, ChartEditorTabs.SeriesDataSource); } #endregion } } |
