DefinitionQuery Constructor(String,String)

In This Topic

Creates a new instance of the DefinitionQuery object.

Syntax

C#
Visual Basic (Declaration)

public DefinitionQuery( 
   string name,
   string whereClause
)

Public Function New( _
   ByVal name As String, _
   ByVal whereClause As String _
)

Parameters

name: The name to assign to the definition query.
whereClause: The where clause for the definition query.

Example

Create a stream layer with a definition query

//Must be on the QueuedTask
var url = "https://geoeventsample1.esri.com:6443/arcgis/rest/services/AirportTraffics/StreamServer";
var lyrCreateParam = new FeatureLayerCreationParams(new Uri(url))
{
  IsVisible = true,
  //At 2.x - DefinitionFilter = new CIMDefinitionFilter()
  //{
  //  DefinitionExpression = "RWY = '29L'",
  //  Name = "Runway"
  //}
  DefinitionQuery = new DefinitionQuery(whereClause: "RWY = '29L'", name: "Runway")
};

var streamLayer = LayerFactory.Instance.CreateLayer<StreamLayer>(lyrCreateParam, map);

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

DefinitionQuery Class
DefinitionQuery Members
Overload List

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