■ ExpMovAverage 클래스를 사용해 지수 이동 평균(Exponential Moving Average) 차트를 그리는 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> /// 캔들 시리즈 /// </summary> private Candle candle; /// <summary> /// 지수 이동 평균 /// </summary> private ExpMovAverage expMovAverage; /// <summary> /// 라인 시리즈 /// </summary> private Line line; /// <summary> /// 타이머 /// </summary> private Timer timer; /// <summary> /// 델타 /// </summary> private int delta; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.delta = 1; #region 캔들 시리즈를 생성한다. this.candle = new Candle(); this.candle.Title = "캔들"; this.candle.Brush.Color = Color.Red; this.candle.Color = Color.FromArgb(68, 102, 163); #endregion #region 지수 이동 평균 함수를 생성한다. this.expMovAverage = new ExpMovAverage(); this.expMovAverage.Period = 14d; #endregion #region 라인 시리즈를 생성한다. this.line = new Line(); this.line.Title = "지수 이동 평균"; this.line.Brush.Color = Color.FromArgb(243, 156, 53); this.line.Color = Color.FromArgb(243, 156, 53); this.line.Pointer.HorizSize = 3; this.line.Pointer.VertSize = 3; this.line.Pointer.Brush.Color = Color.FromArgb(255, 255, 255); this.line.Pointer.Pen.Color = Color.FromArgb(0, 0, 255); this.line.Pointer.Visible = true; this.line.Function = this.expMovAverage; #endregion #region 티차트를 설정한다. this.tChart.Series.Add(this.candle); this.tChart.Series.Add(this.line); #endregion #region 타이머를 생성한다. this.timer = new Timer(); this.timer.Interval = 20; #endregion this.candle.FillSampleValues(20); this.expMovAverage.Series.DataSource = this.candle; this.expMovAverage.Series.CheckDataSource(); Load += Form_Load; this.periodNumericUpDown.ValueChanged += periodNumericUpDown_ValueChanged; this.periodNumericUpDown.TextChanged += periodNumericUpDown_TextChanged; this.valueComboBox.SelectedIndexChanged += valueComboBox_SelectedIndexChanged; this.animationCheckBox.CheckedChanged += animationCheckBox_CheckedChanged; this.timer.Tick += timer_Tick; } #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.valueComboBox.SelectedIndex = 3; } #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.expMovAverage.Period = (int)this.periodNumericUpDown.Value; } #endregion #region 기간 숫자 UP/DOWN 텍스트 변경시 처리하기 - periodNumericUpDown_TextChanged(sender, e) /// <summary> /// 기간 숫자 UP/DOWN 텍스트 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void periodNumericUpDown_TextChanged(object sender, EventArgs e) { this.expMovAverage.Period = (int)this.periodNumericUpDown.Value; } #endregion #region 값 콤보 박스 선택 인덱스 변경시 처리하기 - valueComboBox_SelectedIndexChanged(sender, e) /// <summary> /// 값 콤보 박스 선택 인덱스 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void valueComboBox_SelectedIndexChanged(object sender, EventArgs e) { this.expMovAverage.Series.YValues.DataMember = this.valueComboBox.Items[this.valueComboBox.SelectedIndex].ToString(); } #endregion #region 애니메이션 체크 박스 체크 변경시 처리하기 - animationCheckBox_CheckedChanged(sender, e) /// <summary> /// 애니메이션 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void animationCheckBox_CheckedChanged(object sender, EventArgs e) { this.timer.Enabled = this.animationCheckBox.Checked; } #endregion #region 타이머 틱 처리하기 - timer_Tick(sender, e) /// <summary> /// 타이머 틱 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void timer_Tick(object sender, EventArgs e) { this.periodNumericUpDown.Value += this.delta; if((this.periodNumericUpDown.Value > 19) || (this.periodNumericUpDown.Value < 2 )) { this.delta = -this.delta; } } #endregion } } |
