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Change Class

Abstract class that, when implemented, describes a change to the model tree.


Namespace:  System.Activities.Presentation.Model
Assembly:  System.Activities.Presentation (in System.Activities.Presentation.dll)

public abstract class Change

The Change type exposes the following members.

Protected methodChangeCreates a new instance of the Change class.

Public propertyDescriptionWhen implemented in a derived class, gets a description of the change.

Public methodApplyWhen implemented in a derived class, applies the change to the current instance.
Public methodEquals(Object)Determines whether the specified object is equal to the current object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetHashCodeServes as the default hash function. (Inherited from Object.)
Public methodGetInverseWhen implemented in a derived class, retrieves the inverse of the change.
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)

This class is used by the undo/redo infrastructure to keep track of the changes made during an editing episode.

.NET Framework

Supported in: 4.6, 4.5, 4

.NET Framework Client Profile

Supported in: 4

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
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