ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Mapping Namespace / IElement Interface / SetCustomProperty Method
Version

SetCustomProperty Method (IElement)
Overload List
OverloadDescription
Sets a CustomProperty value for the element. This method must be called on the MCT. Use QueuedTask.Run.  
Sets multiple CustomProperty values for the element. This method must be called on the MCT. Use QueuedTask.Run.  
Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also