MAPI Maximum Constants
4/8/2010
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"). |