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[Source] Clone shallow replication of c# objects

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Posted on 7/1/2016 10:52:47 AM | | | |


Clone is divided into shallow and deep copies

The difference between the two: When there is a reference type member, the shallow copy copies the member's reference, and the deep copy copies the member object.

How to implement the copy function of objects:

== Inheriting the interface ICloneable implements the Clone method

== ICloneable.Clone itself does not distinguish between Deep or Shallow, you can call MemberwiseClone in Clone to implement a ShallowClone, or you can implement a DeepClone yourself. However, according to Microsoft's recommendation, when implementing ICloneable, it is ready to implement a DeepClone.
== ICloneable.Clone returns the type of object
== The replication principle of MemberwiseClone is that the value type is copied bitwise, and the reference type copies the reference of the object. One thing to note here is the String type, although it is a reference type, but here it is the same as the value type, and it is treated as a value type in Clone.









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