共用方式為


2.2.2.35.4 Preview (BodyPreference)

The Preview element is an optional child element of the BodyPreference element (section 2.2.2.12) that specifies the maximum length of the Unicode plain text message or message part preview to be returned to the client.

The value of this element is an integer value (as specified in [MS-ASDTYPE] section 2.6). This element MUST have a value set from 0 to 255, inclusive.

A command request MUST have a maximum of one Preview element per BodyPreference element.

The Preview element MUST have no child elements.

Protocol Versions

The following table specifies the protocol versions that support this element. The client indicates the protocol version being used by setting either the MS-ASProtocolVersion header, as specified in [MS-ASHTTP] section 2.2.1.1.2.6, or the Protocol version field, as specified in [MS-ASHTTP] section 2.2.1.1.1.1, in the request.

Protocol version

Element support

2.5

12.0

12.1

14.0

Yes

14.1

Yes

16.0

Yes

16.1

Yes