Network News Transfer Protocol Control Events  
 
Event Description
OnCancel This event occurs when a blocking operation is canceled
OnCommand This event occurs when the server processes a command issued by the client
OnConnect This event occurs when a connection is established
OnDisconnect This event occurs when a connection is terminated
OnError This event occurs when a control error occurs
OnLastArticle This event occurs after the last news article has been returned by the server
OnLastGroup This event occurs after the last newsgroup has been returned by the server
OnNewsArticle This event occurs when the server returns information about an article
OnNewsGroup This event occurs when the server returns information about a newsgroup
OnProgress This event occurs during data transfer
OnRead This event occurs when data is available to be read
OnWrite This event occurs when data can be written to the server