UndoAsync(String) Method

Rolls back the most recent operation belonging to a specific category.

Syntax

C#
Visual Basic (Declaration)

public override Task UndoAsync( 
   string category
)

Public Overloads Overrides NotOverridable Function UndoAsync( _
   ByVal category As String _
) As Task

Parameters

category: The category of operation of undo.

Return Value

A task that represents the work queued to execute in the ThreadPool.

Exceptions

Exception	Description
System.Exception	Thrown when the operation's ArcGIS.Desktop.Framework.Contracts.Operation.CanUndo method returns false.
System.Exception	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, Windows 8.1

Reference

CompositeOperationManager Class
CompositeOperationManager Members
Overload List