function
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Library: Email support, SMTP and POP3 (OMMAIL)
 Include: ommail.xin  | 
              
 Returns: True or false.  | 
            
define external switch function MailInBoxIsOpen
           value MailInBox this-MailInBox
Argument definitions
This function returns true when the MailInBox is open, and false otherwise.
MailInBoxOpen MyBox unless MailInBoxIsOpen MyBox