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MAPI Maximum Constants (Compact 7)

3/12/2014

These constants indicate the maximum number of bytes for MAPI Message Class names.

Constant Value Description

MAX_ONESTOP_TYPE_NAME

32

Not supported.

MAX_MESSAGE_CLASS_NAME

64

The maximum length a message class can be (for example, IPM.Note).

MAX_MESSAGE_CLASS_DISPLAY_NAME

64

The maximum length a display name associated with a message class can be (for example, "Email").

MAX_MESSAGE_CLASSES_SUPPORTED_STRING

1024

The maximum length a list of supported message classes for a transport can be (for example, "IPM.Note:IPM.SMSText").

See Also

Reference

MAPI Constants