public sealed class DocumentChange : IEquatable<DocumentChange>
A DocumentChange represents a change to the documents matching a query. It contains the document
affected and a the type of change that occurred (added, modifed, or removed).
The index of the changed document in the result set immediately after this DocumentChange
(i.e. supposing that all prior DocumentChange objects and this one have been applied),
null if the change type is Removed. The index will never be negative.
The index of the changed document in the result set immediately prior to this DocumentChange
(i.e. supposing that all prior DocumentChange objects have been applied), or null
if the change type is Added. The index will never be negative.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-04-17 UTC."],[[["This webpage details the `DocumentChange` class within the Google.Cloud.Firestore namespace, which represents a change to documents matching a query."],["The `DocumentChange` class is available in multiple versions, with the latest being 3.10.0, and it provides methods like `GetHashCode()` and inherits members from `Object`."],["Key properties of `DocumentChange` include `ChangeType`, which indicates the nature of the change, `Document` which provides the document affected, and `NewIndex` and `OldIndex`, which detail the document's position in the result set after and before the change, respectively."],["The `DocumentChange` class implements `IEquatable\u003cDocumentChange\u003e` enabling comparisons between document changes."]]],[]]