■ RVIFunction 클래스를 사용해 RVI(Relative Vigor Index) 차트를 그리는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Windows.Forms; using Steema.TeeChart; using Steema.TeeChart.Functions; using Steema.TeeChart.Styles; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 캔들 시리즈 /// </summary> private Candle candle = new Candle(); /// <summary> /// RVI 함수 /// </summary> private RVIFunction rviFunction = new RVIFunction(); /// <summary> /// 라인 시리즈 /// </summary> private Line line = new Line(); #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 축을 생성한다. Axis axis = new Axis(this.tChart.Chart); axis.Horizontal = false; axis.StartPosition = 52; axis.EndPosition = 100; #endregion #region RVI 함수를 설정한다. this.rviFunction.Period = 10; #endregion #region 라인 시리즈를 설정한다. this.line.CustomVertAxis = axis; this.line.DataSource = this.candle; this.line.Function = this.rviFunction; #endregion #region 티차트를 설정한다. this.tChart.Header.Text = "RVI(10)"; this.tChart.Axes.Left.EndPosition = 48; this.tChart.Axes.Custom.Add(axis); this.tChart.Series.Add(candle); this.tChart.Series.Add(line); #endregion this.candle.FillSampleValues(200); this.periodNumericUpDown.ValueChanged += periodNumericUpDown_ValueChanged; this.showSignalLineCheckBox.CheckedChanged += showSignalLineCheckBox_CheckedChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 기간 숫자 UP/DOWN 값 변경시 처리하기 - periodNumericUpDown_ValueChanged(sender, e) /// <summary> /// 기간 숫자 UP/DOWN 값 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void periodNumericUpDown_ValueChanged(object sender, EventArgs e) { this.line.Function.Period = (double)this.periodNumericUpDown.Value; this.tChart.Header.Text = $"RVI({this.line.Function.Period})"; } #endregion #region 시그널 라인 표시 체크 박스 체크 변경시 처리하기 - showSignalLineCheckBox_CheckedChanged(sender, e) /// <summary> /// 시그널 라인 표시 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void showSignalLineCheckBox_CheckedChanged(object sender, EventArgs e) { this.rviFunction.Signal.Visible = this.showSignalLineCheckBox.Checked; } #endregion } } |
