■ ExpAverage 클래스를 사용해 지수 평균(Exponential 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> /// 라인 1 시리즈 /// </summary> private Line line1; /// <summary> /// 지수 평균 /// </summary> private ExpAverage expAverage; /// <summary> /// 라인 2 시리즈 /// </summary> private Line line2; /// <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 = 2; #region 라인 1 시리즈를 생성한다. this.line1 = new Line(); this.line1.Title = "소스"; this.line1.Brush.Color = Color.FromArgb(119, 153, 214); this.line1.Color = Color.FromArgb(119, 153, 214); #endregion #region 지수 평균을 생성한다. this.expAverage = new ExpAverage(); this.expAverage.Period = 1d; #endregion #region 라인 2 시리즈를 생성한다. this.line2 = new Line(); this.line2.Title = "지수 평균"; this.line2.Brush.Color = Color.FromArgb(255, 207, 104); this.line2.Color = Color.FromArgb(255, 207, 104); this.line2.Pointer.HorizSize = 2; this.line2.Pointer.VertSize = 2; this.line2.Pointer.Color = Color.Blue; this.line2.Pointer.Visible = true; this.line2.DataSource = this.line1; this.line2.Function = this.expAverage; #endregion #region 티차트를 설정한다. this.tChart.Series.Add(this.line1); this.tChart.Series.Add(this.line2); #endregion #region 타이머를 생성한다. this.timer = new Timer(); this.timer.Interval = 50; #endregion this.line1.FillSampleValues(30); this.line2.CheckDataSource(); this.exponentialWeightTrackBar.ValueChanged += exponentialWeightTrackBar_ValueChanged; this.animationCheckBox.CheckedChanged += animationCheckBox_CheckedChanged; this.timer.Tick += timer_Tick; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 지수 가중치 트랙바 값 변경시 처리하기 - exponentialWeightTrackBar_ValueChanged(sender, e) /// <summary> /// 지수 가중치 트랙바 값 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void exponentialWeightTrackBar_ValueChanged(object sender, EventArgs e) { this.expAverage.Weight = (int)this.exponentialWeightTrackBar.Value / 100d; this.exponentialWeightValueLabel.Text = this.expAverage.Weight.ToString("0.00"); } #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.exponentialWeightTrackBar.Value += this.delta; if((this.exponentialWeightTrackBar.Value < 2) || (this.exponentialWeightTrackBar.Value > 98)) { delta = -delta; } } #endregion } } |
