PackedAnsiString Stream Structure

Applies to: Office 2010 | Outlook 2010 | Visual Studio

The PackedAnsiString stream structure contains an ANSI representation of a string, based on the ANSI code page of the computer on which Microsoft Outlook is running. This string is not terminated by a null character. Data elements in this stream are stored in little-endian byte order, immediately following each other in the order listed below. The actual data elements that exist depend on the length of the string in ANSI representation.

  • For a string whose ANSI representation contains less than 255 bytes, the data elements are as follows:

    • Length: BYTE (1 byte), the length, in number of bytes, of the ANSI representation of the string.

    • Characters: An array of CHAR. The count of this array is equal to the Length data element. The data in the array is the ANSI representation of the string.

  • For a string whose ANSI representation contains 255 to 65535 bytes, the data elements are as follows:

    • Prefix: BYTE (1 byte), the value of 255 (0xff).

    • Length: WORD (2 bytes), the length, in number of bytes, of the ANSI representation of the string.

    • Characters: An array of CHAR. The count of this array is equal to the Length data element. The data in the array is the ANSI representation of the string.

See Also

Concepts

Outlook Items and Fields

Stream Structures

FieldDefinition Stream Structure