MAPI Maximum Constants
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
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