■ HistogramFunction 클래스를 사용해 히스토그램 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 시리즈 /// </summary> private Line line; /// <summary> /// 히스토그램 함수 /// </summary> private HistogramFunction histogramFunction; /// <summary> /// 히스토그램 시리즈 /// </summary> private Histogram histogram; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); #region 라인 시리즈를 생성한다. this.line = new Line(); this.line.Title = "line"; this.line.Brush.Color = Color.FromArgb(255, 0, 0); this.line.LinePen.Color = Color.FromArgb(255, 0, 0); #endregion #region 히스토그램 함수를 생성한다. this.histogramFunction = new HistogramFunction(); this.histogramFunction.Cumulative = false; #endregion #region 히스토그램을 생성한다. this.histogram = new Histogram(); this.histogram.Title = "histogram"; this.histogram.Brush.Color = Color.FromArgb(255, 0, 0); this.histogram.DataSource = this.line; this.histogram.Function = this.histogramFunction; #endregion #region 티차트 1을 설정한다. this.tChart1.Axes.Bottom.Grid.Color = Color.FromArgb(128, 128, 128); this.tChart1.Legend.Visible = false; this.tChart1.Series.Add(this.line); #endregion #region 티차트 2를 설정한다. this.tChart2.Axes.Bottom.AxisPen.Visible = false; this.tChart2.Axes.Bottom.Grid.Color = Color.FromArgb(128, 128, 128); this.tChart2.Legend.Visible = false; this.tChart2.Series.Add(this.histogram); #endregion this.line.FillSampleValues(500); this.histogram.CheckDataSource(); this.binCountNumericUpDown.ValueChanged += binCountNumericUpDown_ValueChanged; this.cumulativeHistogramCheckBox.CheckedChanged += cumulativeHistogramCheckBox_CheckedChanged; this.refreshButton.Click += refreshButton_Click; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region BIN 수 숫자 UP/DOWN 값 변경시 처리하기 - binCountNumericUpDown_ValueChanged(sender, e) /// <summary> /// BIN 수 숫자 UP/DOWN 값 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void binCountNumericUpDown_ValueChanged(object sender, EventArgs e) { this.histogramFunction.NumBins = (int)this.binCountNumericUpDown.Value; this.histogramFunction.Recalculate(); } #endregion #region 누적 히스토그램 체크 박스 체크 변경시 처리하기 - cumulativeHistogramCheckBox_CheckedChanged(sender, e) /// <summary> /// 누적 히스토그램 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void cumulativeHistogramCheckBox_CheckedChanged(object sender, EventArgs e) { this.histogramFunction.Cumulative = this.cumulativeHistogramCheckBox.Checked; if(this.histogramFunction.Cumulative) { this.tChart2.Header.Text = "Cumulative Histogram"; } else { tChart2.Header.Text = "Histogram"; } this.histogramFunction.Recalculate(); } #endregion #region 갱신하기 버튼 클릭시 처리하기 - refreshButton_Click(sender, e) /// <summary> /// 갱신하기 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void refreshButton_Click(object sender, EventArgs e) { this.line.FillSampleValues(500); this.histogramFunction.Recalculate(); } #endregion } } |
