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TextBoxBase.DeclareChangeBlock Method

Creates a change block.

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

member DeclareChangeBlock : unit -> IDisposable

Return Value

Type: System.IDisposable
An IDisposable object that refers to a new change block.

A change block logically groups multiple changes into a single undo unit. A change block is created by calling the DeclareChangeBlock method. Calling the BeginChange method causes all subsequent changes to be included in the specified change block until a corresponding call to the EndChange method is made.

.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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