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"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThis webpage details the \u003ccode\u003eDocumentChange\u003c/code\u003e class within the Google.Cloud.Firestore namespace, which represents a change to documents matching a query.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDocumentChange\u003c/code\u003e class is available in multiple versions, with the latest being 3.10.0, and it provides methods like \u003ccode\u003eGetHashCode()\u003c/code\u003e and inherits members from \u003ccode\u003eObject\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eKey properties of \u003ccode\u003eDocumentChange\u003c/code\u003e include \u003ccode\u003eChangeType\u003c/code\u003e, which indicates the nature of the change, \u003ccode\u003eDocument\u003c/code\u003e which provides the document affected, and \u003ccode\u003eNewIndex\u003c/code\u003e and \u003ccode\u003eOldIndex\u003c/code\u003e, which detail the document's position in the result set after and before the change, respectively.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eDocumentChange\u003c/code\u003e class implements \u003ccode\u003eIEquatable<DocumentChange>\u003c/code\u003e enabling comparisons between document changes.\u003c/p\u003e\n"]]],[],null,[]]