Adds the specified sequence of message numbers or UIDs to the collection.
The sequence to be parsed can contain the following characters only: digits (0-9), commas (,), and colon (:). Also, the sequence must be monotonically increasing. Examples of valid sequences: "1", "4:5,7,9", "1:135", "15,29".
| Exception Type | Condition |
|---|---|
| Exception | The message sequence parsing failed. |
MessageIndexCollection Class | MailBee.ImapMail Namespace