ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework Namespace / CompositeOperationManager Class / UndoAsync Method / UndoAsync(String) Method
The category of operation of undo.
Version

UndoAsync(String) Method
Rolls back the most recent operation belonging to a specific category.
Syntax
public override Task UndoAsync( 
   string category
)

Parameters

category
The category of operation of undo.

Return Value

A task that represents the work queued to execute in the ThreadPool.
Exceptions
ExceptionDescription
Thrown when the operation's ArcGIS.Desktop.Framework.Contracts.Operation.CanUndo method returns false.
Thrown when the operation's ArcGIS.Desktop.Framework.Contracts.Operation.CanUndo method returns false.
Remarks

The most recent operation of a particular category in the stack is undone by calling its ArcGIS.Desktop.Framework.Contracts.Operation.UndoAsync method. The operation is then added to this OperationManager's redo stack.

Requirements

Target Platforms: Windows 11, Windows 10

ArcGIS Pro version: 3 or higher.
See Also