Class SfMaps

The Maps component is ideal for rendering maps from GeoJSON data or other map providers like OpenStreetMap, Google maps and Bing maps. Its rich feature set includes markers, labels, bubbles, navigation lines, legends, tooltips, zooming, panning, and much more.

Inheritance

System.Object

SfBaseComponent

SfMaps

Inherited Members

SfBaseComponent.Dispose()

SfBaseComponent.OnObservableChange(String, Object, Boolean, NotifyCollectionChangedEventArgs)

Namespace: Syncfusion.Blazor.Maps

Assembly: Syncfusion.Blazor.dll

Syntax

public class SfMaps : SfBaseComponent

Constructors

SfMaps()

Declaration

public SfMaps()

Properties

AllowImageExport

Enables or disables the export to image functionality in map.

Declaration

public bool AllowImageExport { get; set; }

Property Value

Type	Description
System.Boolean	true, if the image export option can be enabled. Otherwise, false.

AllowPdfExport

Enables or disables the export to PDF functionality in map.

Declaration

public bool AllowPdfExport { get; set; }

Property Value

Type	Description
System.Boolean	true, if the pdf export option can be enabled. Otherwise, false.

AllowPrint

Enables or disables the print functionality in map.

Declaration

public bool AllowPrint { get; set; }

Property Value

Type	Description
System.Boolean	true, if the print option can be enabled. Otherwise, false.

Background

Sets and gets the background color of the maps container.

Declaration

public string Background { get; set; }

Property Value

Type	Description
System.String	Accepts the string value that specifies the background color of maps.

BaseLayerIndex

Sets and gets the base map index of maps. It provides the option to select which layer to be visible in the maps.

Declaration

public int BaseLayerIndex { get; set; }

Property Value

Type	Description
System.Int32	Accepts an integer value that represents the layer index for maps component.

ChildContent

Sets and gets the content of the UI element.

Declaration

public RenderFragment ChildContent { get; set; }

Property Value

Type	Description
Microsoft.AspNetCore.Components.RenderFragment	Accepts a RenderFragment that defines the content of the UI element.

Description

Sets and gets the description for maps.

Declaration

public string Description { get; set; }

Property Value

Type	Description
System.String	Accepts the string value.

EnableGroupingSeparator

Enables or disables the visibility state of the separator for grouping.

Declaration

public bool EnableGroupingSeparator { get; set; }

Property Value

Type	Description
System.Boolean	true, if the grouping separator can be enabled. Otherwise, false. The default value is true.

EnablePersistence

Sets and gets the description for maps.

Declaration

public bool EnablePersistence { get; set; }

Property Value

Type	Description
System.Boolean	true, if the persistence can be enabled. Otherwise, false.

Format

Sets and gets the format in which the text in the maps are to be rendered.

Declaration

public string Format { get; set; }

Property Value

Type	Description
System.String	Accepts the string value.

Height

Sets and gets the height in which the maps is to be rendered.

Declaration

public string Height { get; set; }

Property Value

Type	Description
System.String	Accepts the string value.

ID

Set the ID string for the map component.

Declaration

public string ID { get; set; }

Property Value

Type	Description
System.String	Accepts the string value.

ProjectionType

Sets and gets the projection type for the maps.

Declaration

public ProjectionType ProjectionType { get; set; }

Property Value

Type	Description
ProjectionType	A value of the ProjectionType enumeration that specifies the type of projection for maps. The default value is Mercator.

Theme

Set and gets the theme supported for the maps.

Declaration

public Theme Theme { get; set; }

Property Value

Type	Description
Theme	Accepts a value from the Theme enum. The default value is Material.

TooltipDisplayMode

Sets and gets the mode in which the tooltip is to be displayed. The tooltip can be rendered on mouse move, click or double clicking on the element on the map.

Declaration

public TooltipGesture TooltipDisplayMode { get; set; }

Property Value

Type	Description
TooltipGesture

Width

Sets and gets the width in which the maps is to be rendered.

Declaration

public string Width { get; set; }

Property Value

Type	Description
System.String	Accepts the string value.

Methods

BuildRenderTree(RenderTreeBuilder)

Declaration

protected override void BuildRenderTree(RenderTreeBuilder __builder)

Parameters

Type	Name	Description
Microsoft.AspNetCore.Components.Rendering.RenderTreeBuilder	__builder

Dispose(Boolean)

Disposes the property values during the destroy of the component that is hold up for the execution of the component.

Declaration

protected override void Dispose(bool disposing)

Parameters

Type	Name	Description
System.Boolean	disposing

Overrides

SfBaseComponent.Dispose(Boolean)

ExportAsync(ExportType, String, Nullable<PdfPageOrientation>, Boolean)

This method handles the export functionality for the maps component.

Declaration

public Task<string> ExportAsync(ExportType type, string fileName, Nullable<PdfPageOrientation> orientation = null, bool allowDownload = true)

Parameters

Type	Name	Description
ExportType	type	Specifies the extension type of the exported map.
System.String	fileName	Specifes the file name to be used for the exported map.
System.Nullable<Syncfusion.PdfExport.PdfPageOrientation>	orientation	Specifies the ortientation of the PDF document.
System.Boolean	allowDownload	Specifies whether to download or return base64 string of the exported document.

Returns

Type	Description
System.Threading.Tasks.Task<System.String>	System.Threading.Tasks.Task representing the asynchronous operation.

GetBingUrlTemplate(String)

This method is used to get the bing maps url.

Declaration

public static Task<string> GetBingUrlTemplate(string url)

Parameters

Type	Name	Description
System.String	url	Specifies the url of the maps.

Returns

Type	Description
System.Threading.Tasks.Task<System.String>

GetMinMaxLatitudeLongitude()

This method provides the minimum and maximum latitude and longitude values of the visible area in the Maps.

Declaration

public MinMaxLatitudeLongitude GetMinMaxLatitudeLongitude()

Returns

Type	Description
MinMaxLatitudeLongitude

OnAfterRenderAsync(Boolean)

OnAfterRenderAsync is a lifecycle method that is invoked each time the component is rendered in the application.

Declaration

protected override Task OnAfterRenderAsync(bool firstRender)

Parameters

Type	Name	Description
System.Boolean	firstRender	represents the method hitting counts.

Returns

Type	Description
System.Threading.Tasks.Task	System.Threading.Tasks.Task representing the asynchronous operation.

Overrides

SfBaseComponent.OnAfterRenderAsync(Boolean)

OnComponentParametersSet()

OnParametersSetAsync is a lifecycle method that is invoked when the component has received parameters, and the incoming values have been assigned to the properties.

Declaration

protected Task OnComponentParametersSet()

Returns

Type	Description
System.Threading.Tasks.Task	System.Threading.Tasks.Task representing the asynchronous operation.

OnInitializedAsync()

OnInitializedAsync method is called when the component has received its initial parameters.

Declaration

protected override Task OnInitializedAsync()

Returns

Type	Description
System.Threading.Tasks.Task	System.Threading.Tasks.Task representing the asynchronous operation.

Overrides

SfBaseComponent.OnInitializedAsync()

OnParametersSetAsync()

OnParametersSetAsync is a lifecycle method that is invoked when the component has received parameters, and the incoming values have been assigned to the properties.

Declaration

protected override Task OnParametersSetAsync()

Returns

Type	Description
System.Threading.Tasks.Task	System.Threading.Tasks.Task representing the asynchronous operation.

PrintAsync()

This method handles the printing functionality for the maps component.

Declaration

public Task PrintAsync()

Returns

Type	Description
System.Threading.Tasks.Task	System.Threading.Tasks.Task representing the asynchronous operation.

Refresh()

The method is used to render the maps again.

Declaration

public void Refresh()

ShapeSelectionAsync(Int32, String, String, Boolean)

This method is used to select the geometric shape element in the maps component.

Declaration

public Task ShapeSelectionAsync(int layerIndex, string propertyName, string name, bool enable = true)

Parameters

Type	Name	Description
System.Int32	layerIndex	Specifies the index number of layer.
System.String	propertyName	Specifies the property path for map shape data to select the shape.
System.String	name	Specifies the shape data path for the data source of the layer.
System.Boolean	enable	Specifies whether to select or unselect the shape.

Returns

Type	Description
System.Threading.Tasks.Task	System.Threading.Tasks.Task representing the asynchronous operation.

ShouldRender()

Declaration

protected override bool ShouldRender()

Returns

Type	Description
System.Boolean

ZoomByPosition(MapsCenterPosition, Double)

This method is used to zoom the map by specifying the center position.

Declaration

public Task ZoomByPosition(MapsCenterPosition centerPosition, double zoomFactor)

Parameters

Type	Name	Description
MapsCenterPosition	centerPosition	Specifies the position of the maps.
System.Double	zoomFactor	Specifies the zoom level of maps.

Returns

Type	Description
System.Threading.Tasks.Task

ZoomToCoordinates(Double, Double, Double, Double)

This method is used to zoom the maps component based on the provided coordinates.

Declaration

public Task ZoomToCoordinates(double minLatitude, double minLongitude, double maxLatitude, double maxLongitude)

Parameters

Type	Name	Description
System.Double	minLatitude	Specifies the minimum latitude of the coordinate for the zooming operation.
System.Double	minLongitude	Specifies the minimum longitude of the coordinate for the zooming operation.
System.Double	maxLatitude	Specifies the maximum latitude of the coordinate for the zooming operation.
System.Double	maxLongitude	Specifies the maximum longitude of the coordinate for the zooming operation.

Returns

Type	Description
System.Threading.Tasks.Task