HttpRequestHeaders.IfUnmodifiedSince Property
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Gets or sets the value of the If-Unmodified-Since header for an HTTP request.
public:
property Nullable<DateTimeOffset> IfUnmodifiedSince { Nullable<DateTimeOffset> get(); void set(Nullable<DateTimeOffset> value); };C#
public DateTimeOffset? IfUnmodifiedSince { get; set; }member this.IfUnmodifiedSince : Nullable<DateTimeOffset> with get, setPublic Property IfUnmodifiedSince As Nullable(Of DateTimeOffset)The value of the If-Unmodified-Since header for an HTTP request.
| Product | Versions |
|---|---|
| .NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10 |
| .NET Framework | 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
| .NET Standard | 1.1, 1.2, 1.3, 1.4, 1.6, 2.0, 2.1 |
| UWP | 10.0 |
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