ArcGIS Pro 2.7 API Reference Guide
Subscribe Method (RealtimeTable)

ArcGIS.Core.Data.Realtime Namespace > RealtimeTable Class : Subscribe Method
A null query filter will cause all rows that become available to be retrieved.
If set to true, all the entries in RealtimeCursor will reference the most current row returned by RealtimeCursor.Current. To ensure all the entries in RealtimeCursor remain unique, set useRecyclingCursor to false. The default is true.
Subscribe to receive row events. This method must be called on the MCT. Use QueuedTask.Run.
Syntax

Parameters

queryFilter
A null query filter will cause all rows that become available to be retrieved.
useRecyclingCursor
If set to true, all the entries in RealtimeCursor will reference the most current row returned by RealtimeCursor.Current. To ensure all the entries in RealtimeCursor remain unique, set useRecyclingCursor to false. The default is true.

Return Value

A RealtimeCursor that encapsulates the retrieved rows, as well as provides facilities to wait for new row events.
Exceptions
ExceptionDescription
A geodatabase-related exception has occurred.
Remarks
This method is thread-safe and it can be called on any thread. If the cursor is disposed or in the process of being disposed when this method is called it will result in undefined behavior. As opposed to SearchAndSubscribe, this method does not perform a Search operation. As a consequence, the returned RealtimeCursor will only iterate over rows that became available immediately after the execution of this method. If no query filter is set, all rows that become available will be retrieved.
Requirements

Target Platforms: Windows 10, Windows 8.1

See Also

Reference

RealtimeTable Class
RealtimeTable Members