ArcGIS Pro 3.0 API Reference Guide
ArcGIS.Core.Data Namespace / Attachment Class / SetData Method
The data for the attachment.

SetData Method
Sets the attached document data. This method must be called on the MCT. Use QueuedTask.Run.
Syntax
public void SetData( 
   MemoryStream data
)

Parameters

data
The data for the attachment.
Exceptions
ExceptionDescription
A geodatabase-related exception has occurred.
This method or property must be called within the lambda passed to QueuedTask.Run
Requirements

Target Platforms: Windows 11, Windows 10, Windows 8.1

ArcGIS Pro version: 2.0 or higher.
See Also