NNTP Client Description

The Nntp component is used to retrieve news to your local computer via the Network News Transfer Protocol (NNTP).

Nntp implements a standard NNTP client as specified in RFC 977

Please see the Demos code (NewsGroups) and also the indexed Help documentation provided with the Clever Internet Suite installation for more details about using this component.

The most common members of the Nntp component can be seen below:

Property List

Name   Description  Active Provides information about the activity status of the connection.  BatchSize Specifies the size of the transferred batch.  CanPost Specifies whether the server allows posting new articles.  CanStream Specifies whether the server allows sending multiple articles.  ModeType Specifies the NNTP mode for the connection.  CurrentGroup Gets the name of the currently selected group.  Server Specifies the mail server to connect to.  Port Specifies the port that allows the desired component to connect to the server.  TimeOut Determines the time-out interval (in milliseconds) for initiating messages request.

Method List

Name   Description  Check Performs checking prior to news article transmission.  Close Closes the previously opened server connection.  GetArticle Gets an article from the server.  GetBody Gets the body part of an NNTP article.  GetGroups Returns a list of newsgroups available on the server.  GetHeader Gets the header part of an NNTP article.  GetNewArticles Gets a list of new article message IDs.  GetNewGroups Gets the new newsgroups from the server.  GetGroupOverview Retrieves an information from an article overview database.  Next Selects the next article in a newsgroup.  Open Opens connection to the given news server.  PostArticle Posts an article to the news server.  Prev Selects the previous article in the newsgroup.  SelectArticle Sets the article pointer in the newsgroup.  SelectGroup Selects the specified newsgroup.  TakeThis Implements non-negotiated article transmissions.

Event List

Name   Description  GetGroupInfo Occurs when group data is transferred (during the group listings operations).  GroupOverview Occurs for each line of article overview data (during group overviews).  Progress Occurs when data downloading / uploading is processed.  ResponseReceived Occurs when server response is received.  CommandSent Occurs when the component has sent a command.  VerifyServer This event is where the client can decide whether to continue with the connection process.

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