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CompositeStyle

Namespace: ThinkGeo.Core

Represents the CompositeStyle class.

public class CompositeStyle : Style

Inheritance ObjectStyleCompositeStyle

Properties

Styles

Gets or sets the Styles.

public ObservableCollection<Style> Styles { get; }

Property Value

ObservableCollection<Style>

Name

This property gets and set the name of the style.

public string Name { get; set; }

Property Value

String
This property gets the name of the style.

Remarks:

This name is not used by the system; it is only for the developer. However, it can be used if you generate your own legend.

IsActive

This property gets and sets the active status of the style.

public bool IsActive { get; set; }

Property Value

Boolean
This property gets the active status of the style.

Remarks:

If the style is not active then it will not draw.

RequiredColumnNames

This property gets the collection of fields that are required for the style.

public Collection<string> RequiredColumnNames { get; }

Property Value

Collection<String>

Remarks:

This property gets the collection of fields that are required for the style. These are in addition to any other columns you specify in styles that inherit from this one. For example, if you have use a ValueStyle and it requires a column name for the value comparison, then that column does not need to be in this collection. You only use the RequiredColumnNames for columns you need beyond those required by specific inherited styles.

Filters

Gets the list of SQL-style filters applied to this style.

public Collection<string> Filters { get; }

Property Value

Collection<String>

LabelDisplayMode

Gets the current label display mode that determines whether labels, shapes, or both are rendered.

public LabelDisplayMode LabelDisplayMode { get; }

Property Value

LabelDisplayMode

Constructors

CompositeStyle()

Initializes a new instance of the CompositeStyle class.

public CompositeStyle()

CompositeStyle(Style)

Initializes a new instance of the CompositeStyle class.

public CompositeStyle(Style style)

Parameters

style Style

CompositeStyle(IEnumerable<Style>)

Initializes a new instance of the CompositeStyle class.

public CompositeStyle(IEnumerable<Style> styles)

Parameters

styles IEnumerable<Style>

Methods

DrawCore(IEnumerable<Feature>, GeoCanvas, Collection<SimpleCandidate>, Collection<SimpleCandidate>)

Provides the overridable implementation that draws onto and appends any label candidates to .

protected void DrawCore(IEnumerable<Feature> features, GeoCanvas canvas, Collection<SimpleCandidate> labelsInThisLayer, Collection<SimpleCandidate> labelsInAllLayers)

Parameters

features IEnumerable<Feature>
The features.

canvas GeoCanvas
The to draw to.

labelsInThisLayer Collection<SimpleCandidate>
The labels in this layer.

labelsInAllLayers Collection<SimpleCandidate>
A shared collection that receives label candidates generated during drawing.

DrawSampleCore(GeoCanvas, DrawingRectangleF)

Provides the overridable implementation that draws sample.

protected void DrawSampleCore(GeoCanvas canvas, DrawingRectangleF drawingExtent)

Parameters

canvas GeoCanvas
The to draw to.

drawingExtent DrawingRectangleF
The drawing extent.

GetRequiredColumnNamesCore()

Provides the overridable implementation that returns required column names from the underlying data source.

protected Collection<string> GetRequiredColumnNamesCore()

Returns

Collection<String>
The result of the operation.

GetSubStylesCore()

Provides the overridable implementation that returns sub styles.

protected Collection<Style> GetSubStylesCore()

Returns

Collection<Style>
The result of the operation.