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AsyncSqlGeospatialDataReader

Class

Represents the asynchronous map shape reader for geospatial data in WKB/WKT formats from IEnumerable data source type.

Definition

Assembly:Telerik.Windows.Controls.DataVisualization.dll

Syntax:

public class AsyncSqlGeospatialDataReader : AsyncReaderBase

Inheritance: objectAsyncReaderBaseAsyncSqlGeospatialDataReader

public AsyncSqlGeospatialDataReader()

DependencyProperty

Identifies the GeospatialPropertyNameProperty dependency property.

public static readonly DependencyProperty GeospatialPropertyNameProperty

DependencyProperty

Identifies the ItemsSource dependency property.

public static readonly DependencyProperty SourceProperty

Gets or sets the name of the geospatial data field.

public string GeospatialPropertyName { get; set; }

Gets or sets the IEnumerable instance.

public IEnumerable Source { get; set; }

Occurs when the properties which are used for loading are changed.

protected override void OnReaderPropertyChanged(DependencyPropertyChangedEventArgs eventArgs)

Parameters:eventArgsDependencyPropertyChangedEventArgs

Event arguments.

Reads geospatial data using asynchronous mode.

public override int ReadAsync()

Returns:

Reads geospatial data using asynchronous mode.

public override int ReadAsync(object userState)

Parameters:userStateobject

A user-defined object that is passed to the method invoked when the asynchronous operation completes.

Returns: