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C#

Receive a Single Byte from a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.ReceiveByte, which reads exactly one byte and stores its numeric value in the ReceivedInt property. The argument selects signed or unsigned interpretation.

Background. Fixed-size integers and length prefixes are common building blocks for application-defined binary protocols. Byte order is selectable, with big-endian being network byte order.

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C#
bool success = false;

Chilkat.Socket socket = new Chilkat.Socket();

//  Connect to the server using TLS.
bool bTls = true;
int maxWaitMs = 5000;
success = socket.Connect("example.com",5000,bTls,maxWaitMs);
if (success == false) {
    Debug.WriteLine(socket.LastErrorText);
    return;
}

//  Read exactly one byte.  Its numeric value is stored in the ReceivedInt property.  Passing true
//  interprets the byte as unsigned (0 through 255); false interprets it as signed.
bool bUnsigned = true;
success = socket.ReceiveByte(bUnsigned);
if (success == false) {
    Debug.WriteLine(socket.LastErrorText);
    return;
}

Debug.WriteLine("Received byte value: " + Convert.ToString(socket.ReceivedInt));