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GetObjectRequestModifiedSinceConstraint Property
Gets or sets "If-Modified-Since".

Namespace: Aliyun.OSS
Assembly: Aliyun.OSS (in Aliyun.OSS.dll) Version: 2.8.0.0 (2.8.0)
Syntax
public Nullable<DateTime> ModifiedSinceConstraint { get; set; }

Property Value

Type: NullableDateTime
Remarks
It means if its value is smaller the actual last modified time, the file will be downloaded. Otherwise, return precondition failed (412).
See Also