Spread Windows Forms 8.0 Product Documentation
Clear Method (LightCollection)
Example 


Removes all lights from the collection.
Syntax
'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; 
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
Requirements

Target Platforms: Windows 2000 Professional (SP4), Windows 2000 Server, Windows 2003 Server (SP1), Windows 2008, Windows XP (SP2), Windows Vista, Windows 7, Windows 8

See Also

Reference

LightCollection Class
LightCollection Members

 

 


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