Clear Method (LightCollection) | Spread Windows Forms 13.0 Product Documentation

Clear Method (LightCollection)

In This Topic

Removes all lights from the collection.

Syntax

Visual Basic
C#

'Declaration
 
Public Sub Clear()

'Usage
 
Dim instance As LightCollection
 
instance.Clear()

public void Clear()

Example

This example uses the Clear method.

FarPoint.Win.Chart.PieSeries series = new FarPoint.Win.Chart.PieSeries();
series.SeriesName = "Series 1";
series.TopBevel = new FarPoint.Win.Chart.CircleBevel(12.0f, 12.0f);
series.BottomBevel = new FarPoint.Win.Chart.CircleBevel(12.0f, 12.0f);
series.Values.Add(1.0);
series.Values.Add(2.0);
series.Values.Add(4.0);
series.Values.Add(8.0);

FarPoint.Win.Chart.PiePlotArea plotArea = new FarPoint.Win.Chart.PiePlotArea();
plotArea.Location = new PointF(0.2f, 0.2f);
plotArea.Size = new SizeF(0.6f, 0.6f);
plotArea.series.Add(series);

FarPoint.Win.Chart.PositionalLight light0 = new FarPoint.Win.Chart.PositionalLight();
light0.AmbientColor = Color.FromArgb(64, 64, 64);
light0.DiffuseColor = Color.FromArgb(64, 64, 64);
light0.SpecularColor = Color.FromArgb(128, 128, 128);
light0.PositionX = 0.0f;
light0.PositionY = 0.0f;
light0.PositionZ = 100.0f;

FarPoint.Win.Chart.DirectionalLight light1 = new FarPoint.Win.Chart.DirectionalLight();
light1.AmbientColor = Color.FromArgb(64, 64, 64);
light1.DiffuseColor = Color.FromArgb(64, 64, 64);
light1.SpecularColor = Color.FromArgb(128, 128, 128);
light1.DirectionX = 1.0f;
light1.DirectionY = 0.0f;
light1.DirectionZ = 1.0f;

FarPoint.Win.Chart.ChartModel model = new FarPoint.Win.Chart.ChartModel();
model.PlotAreas.Add(plotArea);
model.PlotAreas[0].Lights.Clear();
model.PlotAreas[0].Lights.Add(light0);
model.PlotAreas[0].Lights.Add(light1);

fpChart1.Model = model;

Visual Basic

Dim series As New FarPoint.Win.Chart.PieSeries()
series.SeriesName = "Series 1"
series.TopBevel = New FarPoint.Win.Chart.CircleBevel(12.0F, 12.0F)
series.BottomBevel = New FarPoint.Win.Chart.CircleBevel(12.0F, 12.0F)
series.Values.Add(1.0)
series.Values.Add(2.0)
series.Values.Add(4.0)
series.Values.Add(8.0)

Dim plotArea As New FarPoint.Win.Chart.PiePlotArea()
plotArea.Location = New PointF(0.2F, 0.2F)
plotArea.Size = New SizeF(0.6F, 0.6F)
plotArea.series.Add(series)

Dim light0 As New FarPoint.Win.Chart.PositionalLight()
light0.AmbientColor = Color.FromArgb(64, 64, 64)
light0.DiffuseColor = Color.FromArgb(64, 64, 64)
light0.SpecularColor = Color.FromArgb(128, 128, 128)
light0.PositionX = 0.0F
light0.PositionY = 0.0F
light0.PositionZ = 100.0F

Dim light1 As New FarPoint.Win.Chart.DirectionalLight()
light1.AmbientColor = Color.FromArgb(64, 64, 64)
light1.DiffuseColor = Color.FromArgb(64, 64, 64)
light1.SpecularColor = Color.FromArgb(128, 128, 128)
light1.DirectionX = 1.0F
light1.DirectionY = 0.0F
light1.DirectionZ = 1.0F

Dim model As New FarPoint.Win.Chart.ChartModel()
model.PlotAreas.Add(plotArea)
model.PlotAreas(0).Lights.Clear()
model.PlotAreas(0).Lights.Add(light0)
model.PlotAreas(0).Lights.Add(light1)
fpChart1.Model = model

Reference

LightCollection Class
LightCollection Members

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