Transfer Encoding Base64
- Content Transfer Encoding Base64 Decode
- Transfer Encoding Base64
- Decode Content Transfer Encoding Base64
ContentTransferEncoding Property
The ContentTransferEncoding property defines the encoding mechanism used when sending the contents of an implementing object over the network.
Base64 encoding schemes are generally used when there is a need to encode binary information that needs to be stored and transferred over media that are developed to deal with textual information. This guarantees that the data stays unchanged without modification during transfer. The Base64 term originates from a specific MIME content transfer encoding. Base64 encoding schemes are commonly used when there is a need to encode binary data that needs be stored and transferred over media that are designed to deal with textual data.
Syntax
Remarks
The ContentTransferEncoding property corresponds to the Content-Transfer-Encoding Multipurpose Internet Mail Extensions (MIME) header field of Request for Comments (RFC) 2045.
This property corresponds to the urn:schemas:mailheader:content-transfer-encoding field for the object. You can therefore set this field using the ContentTransferEncoding property on the interface or by updating the value using the Fields collection.
Content Transfer Encoding Base64 Decode
Microsoft Collaboration Data Objects (CDO) defines the following string constants and mechanisms for use with the ContentTransferEncoding property:
Transfer Encoding Base64
Decode Content Transfer Encoding Base64
CdoEncodingType Module Constants
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| Constant | Value | Meaning |
|---|---|---|
cdo7bit | '7bit' | Simple 7-bit ASCII |
cdo8bit | '8bit' | 8-bit coding with line termination characters |
cdoBase64 | 'base64' | 3 octets encoded into 4 sextets with offset |
cdoBinary | 'binary' | Arbitrary binary stream |
cdoMacBinHex40 | 'mac-binhex40' | Ncert books pdf hindi. Macintosh binary to hex encoding |
cdoQuotedPrintable | 'quoted-printable' | Mostly 7-bit, with 8-bit characters encoded as '=HH' |
cdoUuencode | 'uuencode' | UNIX Uuencode encoding |
In compliance with RFC 2045, the ContentTransferEncoding property is enforced to be '7bit', '8bit', or 'binary' when the ContentMediaType property indicates a composite content type such as message or multipart. An attempt to encode a composite type with any other mechanism results in an error.
CDO can decode a body part from 'mac-binhex40' but cannot encode using this mechanism.
The contents of ContentTransferEncoding are case-insensitive. The default value is '7bit'.