AsnReader.ReadCharacterString Method

Definition

Namespace:

System.Formats.Asn1

Assembly:

System.Formats.Asn1.dll

Source:

AsnDecoder.Text.cs

Reads the next value as character string with the specified tag and encoding type, returning the decoded value as a string.

public string ReadCharacterString (System.Formats.Asn1.UniversalTagNumber encodingType, System.Formats.Asn1.Asn1Tag? expectedTag = default);

member this.ReadCharacterString : System.Formats.Asn1.UniversalTagNumber * Nullable<System.Formats.Asn1.Asn1Tag> -> string

Public Function ReadCharacterString (encodingType As UniversalTagNumber, Optional expectedTag As Nullable(Of Asn1Tag) = Nothing) As String

Parameters

encodingType

UniversalTagNumber

One of the enumeration values representing the value type to process.

expectedTag

Nullable<Asn1Tag>

The tag to check for before reading, or null for the universal tag that is appropriate to the requested encoding type.

Returns

String

The decoded value.

Exceptions

ArgumentOutOfRangeException

encodingType is not a known character string type.

AsnContentException

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.

-or-

The string did not successfully decode.

ArgumentException

expectedTag.TagClass is Universal, but expectedTag.TagValue is not the same as encodingType.