Possible enumeration values:
| Name | Value | Description |
|---|---|---|
| None | 0 |
|
| In | 1 |
|
| Out | 2 |
|
| Lcid | 4 |
|
| Retval | 8 |
|
| Optional | 16 |
|
| HasDefault | 4096 |
|
| HasFieldMarshal | 8192 |
|
| Reserved3 | 16384 |
|
| Reserved4 | 32768 |
|
| ReservedMask | 61440 |