TIdTCPServer no method to send binary data ?

I am writing a TCP server which will send binary data to a client on reception of a "SEND" command from the client.
The ServerExecute event code is shown below. I don't find any method in the Indy control to provide sending of binary data, only a Unicode String ? Hoe do I send binary data back to the client ?

void __fastcall TForm1::IdTCPServer1Execute(TIdContext *AContext)
                  TByteDynArray b;
                        int n;
                        n = AContext->Binding->Receive(b);
                              char *buff = new char[n];
                              {  // request from client for data
                                    unsigned int *tx;
                                    tx = new unsigned int[6000];
                                    //  some code to initialise the tx data

                                    // send the data
                                    AContext->Binding->??? // no method to send binary data, only unicode strings ?

                                    delete [] tx;
                                        { // handle other commands from the client
                              delete[] buff;
                  catch(Exception &e)


Roger AlcindorAsked:
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>>Hoe do I send binary data back to the client ?

Sorry for being so blunt, but: just like the rest of the interwebs do it - base64-encoded (http://en.wikipedia.org/wiki/Base64)

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Roger AlcindorAuthor Commented:
The code below is what I ended up using. If I understand you comment correctly, using Base64 encodes the binary data to text which would require decoding at the client end. The client end in this application is written using Indy 9 controls and an old BCB 5 compiler that does not support Base64 coding.

      n = 6000 * sizeof(unsigned int);
                    b = RawToBytes(tx,n);
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