Interface ILayer

Interface for map layers

Inherited Members
Namespace: Mapsui.Layers
Assembly: Mapsui.dll
Syntax
public interface ILayer : IAnimatable, INotifyPropertyChanged, IDisposable

Properties

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Attribution

Attribution for layer

Declaration
Hyperlink Attribution { get; }
Property Value
Type Description
Hyperlink
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Busy

Flag, if layer is busy

Declaration
bool Busy { get; set; }
Property Value
Type Description
bool
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Enabled

Specifies whether this layer should be rendered or not

Declaration
bool Enabled { get; set; }
Property Value
Type Description
bool
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Extent

Gets the MRect of the entire layer. Can be null if there are no features in the layer.

Declaration
MRect? Extent { get; }
Property Value
Type Description
MRect
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Id

Numerical Id of layer

Declaration
int Id { get; }
Property Value
Type Description
int
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IsMapInfoLayer

Indicates if the layer should be taken into account for the GetMapInfo request

Declaration
bool IsMapInfoLayer { get; set; }
Property Value
Type Description
bool
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MaxVisible

Minimum visible zoom level

Declaration
double MaxVisible { get; }
Property Value
Type Description
double
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MinVisible

Minimum visible zoom level

Declaration
double MinVisible { get; }
Property Value
Type Description
double
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Name

Name of layer

Declaration
string Name { get; set; }
Property Value
Type Description
string
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Opacity

Opacity of layer

Declaration
double Opacity { get; set; }
Property Value
Type Description
double
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Resolutions

List of native resolutions

Declaration
IReadOnlyList<double> Resolutions { get; }
Property Value
Type Description
IReadOnlyList<double>
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Style

Gets or sets rendering style of layer

Declaration
IStyle? Style { get; set; }
Property Value
Type Description
IStyle
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Tag

Gets or sets an arbitrary object value that can be used to store custom information about this element

Declaration
object? Tag { get; set; }
Property Value
Type Description
object

Methods

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DataHasChanged()

To indicate the data withing the layer has changed. This triggers a DataChanged event. This is necessary for situations where the layer can not know about changes to it's data as in the case of editing of a geometry.

Declaration
void DataHasChanged()
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GetFeatures(MRect, double)

Get all features in a given MRect for a given resolution

Declaration
IEnumerable<IFeature> GetFeatures(MRect extent, double resolution)
Parameters
Type Name Description
MRect extent

Bounding box
double resolution

Resolution of viewport
Returns
Type Description
IEnumerable<IFeature>

Events

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DataChanged

Event called when the data within the layer has changed allowing listeners to react to this.

Declaration
event DataChangedEventHandler DataChanged
Event Type
Type Description
DataChangedEventHandler

Extension Methods