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AsnReader.ReadSequence(Nullable<Asn1Tag>) Method

Definition

Reads the next value as a SEQUENCE or SEQUENCE-OF with the specified tag and returns the result as a new reader positioned at the first value in the sequence (or with HasData == false).

public System.Formats.Asn1.AsnReader ReadSequence (System.Formats.Asn1.Asn1Tag? expectedTag = default);
member this.ReadSequence : Nullable<System.Formats.Asn1.Asn1Tag> -> System.Formats.Asn1.AsnReader
Public Function ReadSequence (Optional expectedTag As Nullable(Of Asn1Tag) = Nothing) As AsnReader

Parameters

expectedTag
Nullable<Asn1Tag>

The tag to check for before reading, or null for the default tag (Universal 16).

Returns

A new reader positioned at the first value in the sequence (or with HasData == false).

Exceptions

The next value does not have the correct tag.

-or-

The length encoding is not valid under the current encoding rules.

-or-

The contents are not valid under the current encoding rules.

expectedTag.TagClass is Universal, but expectedTag.TagValue is not correct for the method.

Remarks

The nested content is not evaluated by this method, and might contain data that's not valid under the current encoding rules.

Applies to