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AsnReader.ReadNull(Nullable<Asn1Tag>) Method

Definition

Reads the next value as a NULL with a specified tag.

public void ReadNull (System.Formats.Asn1.Asn1Tag? expectedTag = default);
member this.ReadNull : Nullable<System.Formats.Asn1.Asn1Tag> -> unit
Public Sub ReadNull (Optional expectedTag As Nullable(Of Asn1Tag) = Nothing)

Parameters

expectedTag
Nullable<Asn1Tag>

The tag to check for before reading, or null for the default tag (Universal 5).

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.

Applies to