■ TChart 클래스의 BeforeDraw/BeforeDrawAxes/BeforeDrawSeries/AfterDraw 이벤트를 사용하는 방법을 보여준다.
▶ MainForm.cs
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using System; using System.Drawing; using System.Drawing.Drawing2D; using System.Windows.Forms; using Steema.TeeChart.Drawing; using Steema.TeeChart.Styles; namespace TestProject { /// <summary> /// 메인 폼 /// </summary> public partial class MainForm : Form { //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor ////////////////////////////////////////////////////////////////////////////////////////// Public #region 생성자 - MainForm() /// <summary> /// 생성자 /// </summary> public MainForm() { InitializeComponent(); Text = "TChart 클래스 : BeforeDraw/BeforeDrawAxes/BeforeDrawSeries/AfterDraw 이벤트 사용하기"; this.beforeChartRadioButton.Checked = true; this.tChart.Panel.Pen = new ChartPen(Color.Black); Bar bar = new Bar(this.tChart.Chart); bar.FillSampleValues(); this.beforeChartRadioButton.Click += radioButton_Click; this.beforeAxisRadioButton.Click += radioButton_Click; this.beforeSeriesRadioButton.Click += radioButton_Click; this.afterChartRadioButton.Click += radioButton_Click; this.tChart.BeforeDraw += tChart_BeforeDraw; this.tChart.BeforeDrawAxes += tChart_BeforeDrawAxes; this.tChart.BeforeDrawSeries += tChart_BeforeDrawSeries; this.tChart.AfterDraw += tChart_AfterDraw; } #endregion //////////////////////////////////////////////////////////////////////////////////////////////////// Method ////////////////////////////////////////////////////////////////////////////////////////// Private //////////////////////////////////////////////////////////////////////////////// Event #region 라디오 버튼 클릭시 처리하기 - radioButton_Click(sender, e) /// <summary> /// 라디오 버튼 클릭시 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="e">이벤트 인자</param> private void radioButton_Click(object sender, EventArgs e) { this.tChart.Invalidate(); } #endregion #region TChart 그리기 전 처리하기 - tChart_BeforeDraw(sender, graphics3D) /// <summary> /// TChart 그리기 전 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="graphics3D">그래픽스 3D</param> private void tChart_BeforeDraw(object sender, Graphics3D graphics3D) { if(this.beforeChartRadioButton.Checked) { DrawShape(); } } #endregion #region TChart 축 그리기 전 처리하기 - tChart_BeforeDrawAxes(sender, graphics3D) /// <summary> /// TChart 축 그리기 전 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="graphics3D">그래픽스 3D</param> private void tChart_BeforeDrawAxes(object sender, Graphics3D graphics3D) { if(this.beforeAxisRadioButton.Checked) { DrawShape(); } } #endregion #region TChart 시리즈 그리기 전 처리하기 - tChart_BeforeDrawSeries(sender, graphics3D) /// <summary> /// TChart 시리즈 그리기 전 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="graphics3D">그래픽스 3D</param> private void tChart_BeforeDrawSeries(object sender, Graphics3D graphics3D) { if(this.beforeSeriesRadioButton.Checked) { DrawShape(); } } #endregion #region TChart 그리기 후 처리하기 - tChart_AfterDraw(sender, graphics3D) /// <summary> /// TChart 그리기 후 처리하기 /// </summary> /// <param name="sender">이벤트 발생자</param> /// <param name="graphics3D">그래픽스 3D</param> private void tChart_AfterDraw(object sender, Graphics3D graphics3D) { if(this.afterChartRadioButton.Checked) { DrawShape(); } } #endregion //////////////////////////////////////////////////////////////////////////////// Function #region 도형 그리기 - DrawShape() /// <summary> /// 도형 그리기 /// </summary> private void DrawShape() { this.tChart.Graphics3D.Pen.Style = DashStyle.Dot; this.tChart.Graphics3D.Brush.Visible = true; this.tChart.Graphics3D.Brush.Color = Color.FromArgb(243, 156, 53); this.tChart.Graphics3D.Ellipse ( 1, 1, this.tChart.Graphics3D.Chart.Width - 1, this.tChart.Graphics3D.Chart.Height - 1 ); } #endregion } } |
