ArcGIS Pro 2.6 API Reference Guide
DefinitionQuery Property (BasicFeatureLayer)

ArcGIS.Desktop.Mapping Namespace > BasicFeatureLayer Class : DefinitionQuery Property
Gets the definition query expression for the existing layer.
Syntax
public string DefinitionQuery {get;}
Public ReadOnly Property DefinitionQuery As String
Requirements

Target Platforms: Windows 10, Windows 8.1, Windows 7

See Also

Reference

BasicFeatureLayer Class
BasicFeatureLayer Members