ListUnseenMessages Method
Queries a list of unseen messages available in the current mailbox on the server.
Syntax
int ListUnseenMessages();
Remarks
Requests a list of unseen messages (i.e. not having Seen flag set) present in CurrentMailbox.
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)