CanLookupSymbol Method

In This Topic

Determines whether the layer's renderer type supports symbol lookup. This method must be called on the MCT. Use QueuedTask.Run.

Syntax

C#
Visual Basic (Declaration)

public bool CanLookupSymbol()

Public Function CanLookupSymbol() As Boolean

Return Value

True if the layer's renderer type supports symbol lookup

Exceptions

Exception	Description
ArcGIS.Core.CalledOnWrongThreadException	This method or property must be called within the lambda passed to QueuedTask.Run.

Remarks

The following renderers support symbol lookup:

CIMSimpleRenderer
CIMUniqueValueRenderer
CIMClassbreaksRenderer
- Graduated
- Unclassed
CIMDictionaryRenderer
CIMProportionalRenderer

Refer to LookupSymbol for additional details

Example

Lookup Symbol

//Note: Run within QueuedTask.Run
//Get the selection
var selection = featureLayer.GetSelection();
  //Get the first Object ID
  var firstOID = selection.GetObjectIDs().FirstOrDefault();
  //Determine whether the layer's renderer type supports symbol lookup.
  if (featureLayer.CanLookupSymbol())
  {
      //Looks up the symbol for the corresponding feature identified by the object id.
      var symbol = featureLayer.LookupSymbol(firstOID, MapView.Active);
      var jSon = symbol.ToJson(); //Create a JSON encoding of the symbol
      //Do something with symbol
  }

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.

Reference

FeatureLayer Class
FeatureLayer Members

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