DefinitionQuery Constructor(String,String)

In This Topic

Creates a new instance of the DefinitionQuery object.

Syntax

Visual Basic (Declaration)
C#

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

public DefinitionQuery( 
   string name,
   string whereClause
)

Parameters

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

Remarks

Leave the name blank and a unique one will be assigned when the definition query is inserted into the respective layer

Example

Create a stream layer with a definition query

{
  // Note: call within QueuedTask.Run()
  {
    //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,
      DefinitionQuery = new DefinitionQuery(whereClause: "RWY = '29L'", name: "Runway")
    };

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

Requirements

Target Platforms: Windows 11 Home, Pro, Enterprise (64 bit)

ArcGIS Pro version: 3.0 or higher.

Reference

DefinitionQuery Class
DefinitionQuery Members
Overload List

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