[C#/WINFORM/TEECHART] RSIFunction 클래스 : RSI(Relative Strength Index) 차트 그리기

■ RSIFunction 클래스를 사용해 RSI(Relative Strength Index) 차트를 그리는 방법을 보여준다.

▶ MainForm.cs


using System;
using System.Drawing;
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;

        /// <summary>
        /// 축
        /// </summary>
        private Axis axis;

        /// <summary>
        /// RSI 함수
        /// </summary>
        private RSIFunction rsiFunction;

        /// <summary>
        /// 라인 시리즈
        /// </summary>
        private Line line;

        #endregion

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

        #region 생성자 - MainForm()

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

            #region 캔들 시리즈를 생성한다.

            this.candle = new Candle();

            this.candle.Title = "candle";

            #endregion
            #region 축을 생성한다.

            this.axis = new Axis();

            this.axis.OtherSide              = true;
            this.axis.StartPosition          = 60d;
            this.axis.Title.Angle            = 90;
            this.axis.Title.Font.Brush.Color = Color.Green;
            this.axis.Title.Caption          = "R.S.I";

            #endregion
            #region RSI 함수를 생성한다.

            this.rsiFunction = new RSIFunction();

            this.rsiFunction.Period = 1d;

            #endregion
            #region 라인 시리즈를 생성한다.

            this.line = new Line();

            this.line.Title          = "line";
            this.line.Brush.Color    = Color.FromArgb(90, 150, 220);
            this.line.Color          = Color.FromArgb(90, 150, 220);
            this.line.VertAxis       = VerticalAxis.Custom;
            this.line.CustomVertAxis = this.axis;
            this.line.DataSource     = this.candle;
            this.line.Function       = this.rsiFunction;

            #endregion
            #region 티차트를 설정한다.

            this.tChart.Axes.Bottom.Grid.Color           = Color.FromArgb(130, 130, 130);
            this.tChart.Axes.Bottom.Grid.Visible         = true;
            this.tChart.Axes.Bottom.Labels.Angle         = 90;
            this.tChart.Axes.Left.Title.Angle            = 90;
            this.tChart.Axes.Left.Title.Font.Brush.Color = Color.Red;
            this.tChart.Axes.Left.Title.Caption          = "Stock Sample";
            this.tChart.Axes.Left.StartPosition          = 0d;
            this.tChart.Axes.Left.EndPosition            = 58d;
            this.tChart.Axes.Left.MaximumOffset          = 5;
            this.tChart.Axes.Left.MinimumOffset          = 5;

            this.tChart.Axes.Custom.Add(axis);

            this.tChart.Series.Add(this.candle);
            this.tChart.Series.Add(this.line);

            #endregion

            Load                                                += Form_Load;
            tChart.AllowScroll                                  += tChart_AllowScroll;
            this.calculationMethodComboBox.SelectedIndexChanged += calculationMethodComboBox_SelectedIndexChanged;
            this.periodNumericUpDown.ValueChanged               += periodNumericUpDown_ValueChanged;
        }

        #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.calculationMethodComboBox.SelectedIndex = 0;

            this.candle.FillSampleValues(100);

            this.rsiFunction.Style  = RSIStyle.OpenClose;
            this.rsiFunction.Period = 10;
        }

        #endregion
        #region 티차트 스크롤 허용 여부 처리하기 - tChart_AllowScroll(axis, e)

        /// <summary>
        /// 티차트 스크롤 허용 여부 처리하기
        /// </summary>
        /// <param name="axis">축</param>
        /// <param name="e">이벤트 인자</param>
        void tChart_AllowScroll(Axis axis, AllowScrollEventArgs e)
        {
            e.AllowScroll = axis != this.axis;
        }

        #endregion
        #region 계산 방법 콤보 박스 선택 인덱스 변경시 처리하기 - calculationMethodComboBox_SelectedIndexChanged(sender, e)

        /// <summary>
        /// 계산 방법 콤보 박스 선택 인덱스 변경시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void calculationMethodComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.rsiFunction.Style = (RSIStyle)this.calculationMethodComboBox.SelectedIndex;
        }

        #endregion
        #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.rsiFunction.Period = Convert.ToDouble(this.periodNumericUpDown.Value);
        }

        #endregion
    }
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

using System;

using System.Drawing;

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;

/// <summary>

/// 축

/// </summary>

private Axis axis;

/// <summary>

/// RSI 함수

/// </summary>

private RSIFunction rsiFunction;

/// <summary>

/// 라인 시리즈

/// </summary>

private Line line;

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainForm()

/// <summary>

/// 생성자

/// </summary>

public MainForm()

{

InitializeComponent();

#region 캔들 시리즈를 생성한다.

this.candle = new Candle();

this.candle.Title = "candle";

#endregion

#region 축을 생성한다.

this.axis = new Axis();

this.axis.OtherSide = true;

this.axis.StartPosition = 60d;

this.axis.Title.Angle = 90;

this.axis.Title.Font.Brush.Color = Color.Green;

this.axis.Title.Caption = "R.S.I";

#endregion

#region RSI 함수를 생성한다.

this.rsiFunction = new RSIFunction();

this.rsiFunction.Period = 1d;

#endregion

#region 라인 시리즈를 생성한다.

this.line = new Line();

this.line.Title = "line";

this.line.Brush.Color = Color.FromArgb(90, 150, 220);

this.line.Color = Color.FromArgb(90, 150, 220);

this.line.VertAxis = VerticalAxis.Custom;

this.line.CustomVertAxis = this.axis;

this.line.DataSource = this.candle;

this.line.Function = this.rsiFunction;

#endregion

#region 티차트를 설정한다.

this.tChart.Axes.Bottom.Grid.Color = Color.FromArgb(130, 130, 130);

this.tChart.Axes.Bottom.Grid.Visible = true;

this.tChart.Axes.Bottom.Labels.Angle = 90;

this.tChart.Axes.Left.Title.Angle = 90;

this.tChart.Axes.Left.Title.Font.Brush.Color = Color.Red;

this.tChart.Axes.Left.Title.Caption = "Stock Sample";

this.tChart.Axes.Left.StartPosition = 0d;

this.tChart.Axes.Left.EndPosition = 58d;

this.tChart.Axes.Left.MaximumOffset = 5;

this.tChart.Axes.Left.MinimumOffset = 5;

this.tChart.Axes.Custom.Add(axis);

this.tChart.Series.Add(this.candle);

this.tChart.Series.Add(this.line);

#endregion

Load += Form_Load;

tChart.AllowScroll += tChart_AllowScroll;

this.calculationMethodComboBox.SelectedIndexChanged += calculationMethodComboBox_SelectedIndexChanged;

this.periodNumericUpDown.ValueChanged += periodNumericUpDown_ValueChanged;

}

#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.calculationMethodComboBox.SelectedIndex = 0;

this.candle.FillSampleValues(100);

this.rsiFunction.Style = RSIStyle.OpenClose;

this.rsiFunction.Period = 10;

}

#endregion

#region 티차트 스크롤 허용 여부 처리하기 - tChart_AllowScroll(axis, e)

/// <summary>

/// 티차트 스크롤 허용 여부 처리하기

/// </summary>

/// <param name="axis">축</param>

/// <param name="e">이벤트 인자</param>

void tChart_AllowScroll(Axis axis, AllowScrollEventArgs e)

{

e.AllowScroll = axis != this.axis;

}

#endregion

#region 계산 방법 콤보 박스 선택 인덱스 변경시 처리하기 - calculationMethodComboBox_SelectedIndexChanged(sender, e)

/// <summary>

/// 계산 방법 콤보 박스 선택 인덱스 변경시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private void calculationMethodComboBox_SelectedIndexChanged(object sender, EventArgs e)

{

this.rsiFunction.Style = (RSIStyle)this.calculationMethodComboBox.SelectedIndex;

}

#endregion

#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.rsiFunction.Period = Convert.ToDouble(this.periodNumericUpDown.Value);

}

#endregion

}

TestProject.zip