XValues プロパティ (XYLineSeries)

Visual Basic
C#

'Declaration
 
Public ReadOnly Property XValues As DoubleCollection

'使用法
 
Dim instance As XYLineSeries
Dim value As DoubleCollection
 
value = instance.XValues

public DoubleCollection XValues {get;}

x値が提供されていない場合は、データポイントのインデックスがx値に使用されます。

次のサンプルコードは、チャートコントロールを作成します。

C#
Visual Basic

XYLineSeries series0 = new XYLineSeries();
series0.SeriesName = "Series 0";
series0.XValues.AddRange(new double[] { 1.0, 2.0, 4.0, 8.0 });
series0.YValues.AddRange(new double[] { 2.0, 4.0, 3.0, 5.0 });

XYLineSeries series1 = new XYLineSeries();
series1.SeriesName = "Series 1";
series1.XValues.AddRange(new double[] { 1.0, 3.0, 5.0, 7.0 });
series1.YValues.AddRange(new double[] { 1.0, 2.0, 4.0, 8.0 });

XYPlotArea plotArea = new XYPlotArea();
plotArea.Location = new PointF(0.2f, 0.2f);
plotArea.Size = new SizeF(0.6f, 0.6f);
plotArea.Series.Add(series0);
plotArea.Series.Add(series1);

ChartModel model = new ChartModel();
model.PlotAreas.Add(plotArea);

FarPoint.Win.Spread.Chart.SpreadChart chart = new FarPoint.Win.Spread.Chart.SpreadChart();
chart.Model = model;
chart.Size = new Size(200, 200);
chart.Location = new Point(100, 100);
FpSpread1.Sheets[0].Charts.Add(chart);

Dim series0 As New FarPoint.Win.Chart.XYLineSeries()
series0.SeriesName = "Series 0"
series0.XValues.AddRange(New Double() {1.0, 2.0, 4.0, 8.0})
series0.YValues.AddRange(New Double() {2.0, 4.0, 3.0, 5.0})

Dim series1 As New FarPoint.Win.Chart.XYLineSeries()
series1.SeriesName = "Series 1"
series1.XValues.AddRange(New Double() {1.0, 3.0, 5.0, 7.0})
series1.YValues.AddRange(New Double() {1.0, 2.0, 4.0, 8.0})

Dim plotArea As New FarPoint.Win.Chart.XYPlotArea()
plotArea.Location = New System.Drawing.PointF(0.2F, 0.2F)
plotArea.Size = New System.Drawing.SizeF(0.6F, 0.6F)
plotArea.Series.Add(series0)
plotArea.Series.Add(series1)

Dim model As New FarPoint.Win.Chart.ChartModel()
model.PlotAreas.Add(plotArea)

Dim chart As New FarPoint.Win.Spread.Chart.SpreadChart()
chart.Model = model
chart.Size = new Size(200, 200)
chart.Location = new Point(100, 100)
FpSpread1.Sheets(0).Charts.Add(chart)

XYLineSeries クラス
 XYLineSeries メンバ