Most member functions use the SimpleMemberStruct. The MemberStruct provides more information about members. It is returned by SelectMembers.
| Name | Type | Description | 
| MemberID | integer | Unique member ID | 
| Additional | string | Additional information about this member (not used by ListManager) | 
| ApprovalNeeded | boolean | Can this member bypass approval to send messages? | 
| CanApprovePending | boolean | If true, and if this member is an admin, can this member approve pending (moderated) messages? | 
| CleanAuto | boolean | If true, do not mark as 'held' this member if they bounce too much email (i.e.: let them bounce all they want) | 
| Comment | string | Additional information about this member (not used by ListManager) | 
| DateBounce | dateTime | The date of the most recent bounce | 
| DateConfirm | dateTime | Date the member was last sent a 'confirm' message | 
| DateHeld | dateTime | Date the member was held | 
| DateJoined | dateTime | Date when member joined this list | 
| DateUnsubscribed | dateTime | Date when member unsubscribed from this list | 
| Demographics | An array of KeyValueType(s) as defined by your database | |
| EmailAddress | string | The email address of the member | 
| ExpireDate | dateTime | The date the membership expired | 
| FullName | string | The full name of the member | 
| IsListAdmin | boolean | If true, the member is a list administrator | 
| ListName | string | The name of the list this member belongs to | 
| MailFormat | What format does the user want to receive mail, (T)ext, (M)ultipart, or (H)TML. | |
| MembershipKind | The kind of subscription this member has ('mail', 'nomail', 'digest', 'mimedigest', 'index') | |
| MemberStatus | What is the status of this member? ('normal', 'confirm', 'private', 'expired', 'held', 'unsub', 'needs-goodbye', 'needs-hello', 'needs-confirm') | |
| NoRepro | boolean | If true, the member should receive a copy of his own postings | 
| NotifyError | boolean | If true, the member (if a list administrator) should receive list error mail | 
| NotifySubmission | boolean | If true, the member (if a list administrator) should receive notification of messages pending moderation | 
| NumApprovalsNeeded | integer | The number of approvals this member needs before posting to the list unapproved | 
| NumberOfBounces | integer | The number of bounces this member has had | 
| Password | string | The member's password | 
| ReadsHtml | boolean | If true, this member has been detected to read HTML | 
| ReceiveAcknowlegment | boolean | If true, this member receives a message acknowledging a posting to the list | 
| ReceiveAdminEmail | boolean | If true, this member (if a list administrator) should receive messages for list administrators | 
| UserID | string | Additional information about this member (not used by ListManager) | 
Note: Since Microsoft .NET does not support NULL date/times, the date/time "2001-01-01 00:00:00" is considered null.
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