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UndoAction Enumeration

How the undo stack caused or is affected by a text change.

Namespace:  System.Windows.Controls
Assembly:  PresentationFramework (in PresentationFramework.dll)

public enum class UndoAction
<object property="enumerationMemberName" .../>

Member nameDescription
None This change will not affect the undo stack at all
Merge This change will merge into the previous undo unit
Undo This change is the result of a call to Undo()
Redo This change is the result of a call to Redo()
Clear This change will clear the undo stack
Create This change will create a new undo unit

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0