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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 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

.NET Framework

Supported in: 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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