■ NearestPoint 클래스를 사용해 최근접 포인트를 구하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Windows.Forms; using Steema.TeeChart.Drawing; using Steema.TeeChart.Styles; using Steema.TeeChart.Tools; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Field ////////////////////////////////////////////////////////////////////////////////////////// Private #region Field /// <summary> /// 최근접 포인트 /// </summary> private NearestPoint nearestPoint; #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); this.styleComboBox.DropDownStyle = ComboBoxStyle.DropDownList; this.styleComboBox.Items.Add("None" ); this.styleComboBox.Items.Add("Circle" ); this.styleComboBox.Items.Add("Rectangle"); this.styleComboBox.Items.Add("Diamond" ); this.styleComboBox.SelectedIndex = 1; Text = "NearestPoint 클래스 : 최근접 포인트 구하기"; this.activeCheckBox.Checked = true; this.drawLineCheckBox.Checked = true; this.tChart.Panel.Pen = new ChartPen(Color.Black); Points points = new Points(this.tChart.Chart); points.FillSampleValues(10); this.nearestPoint = new NearestPoint(this.tChart.Chart); this.nearestPoint.Size = 10; this.nearestPoint.Brush.Color = Color.Red; this.nearestPoint.Pen.Color = Color.Red; this.nearestPoint.Pen.Width = 2; this.nearestPoint.Series = points; this.styleComboBox.SelectedIndexChanged += styleComboBox_SelectedIndexChanged; this.activeCheckBox.CheckedChanged += activeCheckBox_CheckedChanged; this.drawLineCheckBox.CheckedChanged += drawLineCheckBox_CheckedChanged; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private #region 스타일 콤보 박스 선택 인덱스 변경시 처리하기 - styleComboBox_SelectedIndexChanged(sender, e) /// <summary> /// 스타일 콤보 박스 선택 인덱스 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void styleComboBox_SelectedIndexChanged(object sender, EventArgs e) { this.nearestPoint.Style = (NearestPointStyles)this.styleComboBox.SelectedIndex; } #endregion #region 활성화 체크 박스 체크 변경시 처리하기 - activeCheckBox_CheckedChanged(sender, e) /// <summary> /// 활성화 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void activeCheckBox_CheckedChanged(object sender, EventArgs e) { this.nearestPoint.Active = this.activeCheckBox.Checked; } #endregion #region 라인 그리기 체크 박스 체크 변경시 처리하기 - drawLineCheckBox_CheckedChanged(sender, e) /// <summary> /// 라인 그리기 체크 박스 체크 변경시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void drawLineCheckBox_CheckedChanged(object sender, EventArgs e) { this.nearestPoint.DrawLine = this.drawLineCheckBox.Checked; } #endregion } } |
