BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  Indy 10 IOHandler write block          BorlandTalk.com Forum Index -> Delphi Internet Winsock View previous topic :: View next topic   Author Message AntonE Guest Posted: Thu May 17, 2007 8:11 am    Post subject: Indy 10 IOHandler write block Hi all, Is there a command to write a raw block of memory over TCPclient's IOHandler? Something similar to file BlockWrite/read I see Write(ABuffer:TBytes) but how to tell it how many bytes to write, or must I make a TBytes array, copy into it & then write? Basically just loking for a way to write raw records or memory blocks without converting first to stream or whatever. Thanks AntonE Back to top Remy Lebeau (TeamB) Guest Posted: Thu May 17, 2007 2:07 pm    Post subject: Re: Indy 10 IOHandler write block "AntonE" <antone (AT) true (DOT) co.za> wrote in message news:464c04c0 (AT) newsgroups (DOT) borland.com... Quote: Is there a command to write a raw block of memory over TCPclient's IOHandler? Not directly, no. Indy 10 does not operate on raw memory, mainly for compatibility with .NET, which does not allow raw memory access. You would have to convert the raw memory to a TIdBytes, such as with the RawToBytes() function, and then use the TIdIOHandler.Write(TIdBytes) method to send that. Quote: I see Write(ABuffer:TBytes) but how to tell it how many bytes to write TIdBytes is a dynamic array of bytes. A dynamic array knows its own size. Write() sends the entire array, querying the array for its size. Quote: must I make a TBytes array, copy into it & then write? Yes. Quote: Basically just loking for a way to write raw records or memory blocks without converting first to stream or whatever. If you use a TMemoryStream, you could call its SetPointer() method to assign your raw memory as the stream's underlying data without actually copying the data to a new block. You could then use TIdIOHandler.Write(Stream) to send the original memory block as-is. 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