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

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5, 3.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1
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