ArcGIS Pro 3.4 API Reference Guide
ArcGIS.Desktop.Framework Namespace / CompositeOperationManager Class / UndoAsync Method / UndoAsync() Method

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    UndoAsync() Method
    In This Topic
    Rolls back the most recent operation to reset the last action performed with ArcGIS.Desktop.Framework.Contracts.Operation.Do or ArcGIS.Desktop.Framework.Contracts.Operation.DoAsync.
    Syntax
    public override Task UndoAsync()
    Public Overloads Overrides NotOverridable Function UndoAsync() As Task

    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.
    Remarks

    The most recent operation 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