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JsonSerializerOptions.IsReadOnly Property

Definition

Gets a value that indicates whether the current instance has been locked for user modification.

C#
public bool IsReadOnly { get; }

Property Value

Remarks

A JsonSerializerOptions instance can be locked if it has been passed to one of the JsonSerializer methods, has been associated with a JsonSerializerContext instance, or a user explicitly called the MakeReadOnly() methods on the instance.

Read-only instances use caching when querying JsonConverter and JsonTypeInfo metadata.

Applies to

Product Versions
.NET 8 (package-provided), 8, 9 (package-provided), 9
.NET Framework 4.7 (package-provided), 4.7.1 (package-provided), 4.7.2 (package-provided), 4.8 (package-provided)
.NET Standard 2.0 (package-provided)