ValueComparer<T>.Snapshot Method

Definition

Namespace:

Microsoft.EntityFrameworkCore.ChangeTracking

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v9.0.0

Overloads

Snapshot(Object)	Creates a snapshot of the given instance.
Snapshot(T)	Creates a snapshot of the given instance.

Snapshot(Object)

Source:

ValueComparer%60.cs

Creates a snapshot of the given instance.

C#

public override object? Snapshot (object? instance);

Parameters

instance

Object

The instance.

Returns

Object

The snapshot.

Remarks

Snapshotting is the process of creating a copy of the value into a snapshot so it can later be compared to determine if it has changed. For some types, such as collections, this needs to be a deep copy of the collection rather than just a shallow copy of the reference.

Snapshot(T)

Source:

ValueComparer%60.cs

Creates a snapshot of the given instance.

C#

public virtual T Snapshot (T instance);

Parameters

instance

T

The instance.

Returns

T

The snapshot.

Remarks

Snapshotting is the process of creating a copy of the value into a snapshot so it can later be compared to determine if it has changed. For some types, such as collections, this needs to be a deep copy of the collection rather than just a shallow copy of the reference.