使用Spread除了可以創(chuàng)建X Plot圖表之外，還可以創(chuàng)建更為復雜的XY Plot圖表，如圖所示：

這一過程在擁有了Spread之后，就會變得更為輕松容易，僅僅需要簡單的幾行代碼，在實現(xiàn)產(chǎn)品效果的同時，還能節(jié)約開發(fā)時間和成本。

》》》免費下載Spread

下面視具體的示例代碼：

C#   

XYPointSeries series0 = new XYPointSeries();
series0.SeriesName = "Series 0";
series0.XValues.Add(1.0);
series0.XValues.Add(2.0);
series0.XValues.Add(4.0);
series0.XValues.Add(8.0);
series0.YValues.Add(2.0);
series0.YValues.Add(4.0);
series0.YValues.Add(3.0);
series0.YValues.Add(5.0);
XYPointSeries series1 = new XYPointSeries();
series1.SeriesName = "Series 1";
series1.XValues.Add(1.0);
series1.XValues.Add(3.0);
series1.XValues.Add(5.0);
series1.XValues.Add(7.0);
series1.YValues.Add(1.0);
series1.YValues.Add(2.0);
series1.YValues.Add(4.0);
series1.YValues.Add(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);
LabelArea label = new LabelArea();
label.Text = "XY Point Chart";
label.Location = new PointF(0.5f, 0.02f);
label.AlignmentX = 0.5f;
label.AlignmentY = 0.0f;
LegendArea legend = new LegendArea();
legend.Location = new PointF(0.98f, 0.5f);
legend.AlignmentX = 1.0f;
legend.AlignmentY = 0.5f;
ChartModel model = new ChartModel();
model.LabelAreas.Add(label);
model.LegendAreas.Add(legend);
model.PlotAreas.Add(plotArea);
FarPoint.Web.Spread.Chart.SpreadChart chart = new FarPoint.Web.Spread.Chart.SpreadChart();
chart.Model = model;
FpSpread1.Sheets[0].Charts.Add(chart);

VB

Dim series0 As New FarPoint.Web.Chart.XYPointSeries()
series0.SeriesName = "Series 0"
series0.XValues.Add(1.0)
series0.XValues.Add(2.0)
series0.XValues.Add(4.0)
series0.XValues.Add(8.0)
series0.YValues.Add(2.0)
series0.YValues.Add(4.0)
series0.YValues.Add(3.0)
series0.YValues.Add(5.0)
Dim series1 As New FarPoint.Web.Chart.XYPointSeries()
series1.SeriesName = "Series 1"
series1.XValues.Add(1.0)
series1.XValues.Add(3.0)
series1.XValues.Add(5.0)
series1.XValues.Add(7.0)
series1.YValues.Add(1.0)
series1.YValues.Add(2.0)
series1.YValues.Add(4.0)
series1.YValues.Add(8.0)
Dim plotArea As New FarPoint.Web.Chart.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)
Dim label As New FarPoint.Web.Chart.LabelArea()
label.Text = "XY Point Chart"
label.Location = New PointF(0.5F, 0.02F)
label.AlignmentX = 0.5F
label.AlignmentY = 0.0F
Dim legend As New FarPoint.Web.Chart.LegendArea()
legend.Location = New PointF(0.98F, 0.5F)
legend.AlignmentX = 1.0F
legend.AlignmentY = 0.5F
Dim model As New FarPoint.Web.Chart.ChartModel()
model.LabelAreas.Add(label)
model.LegendAreas.Add(legend)
model.PlotAreas.Add(plotArea)
Dim chart As New FarPoint.Web.Spread.Chart.SpreadChart()
chart.Model = model
FpSpread1.Sheets(0).Charts.Add(chart)