Visual Basic 6.0
Visual Basic 6.0
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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Dim success As Long
success = 0
Dim socket As New ChilkatSocket
' Connect to the server using TLS.
Dim bTls As Long
bTls = 1
Dim maxWaitMs As Long
maxWaitMs = 5000
success = socket.Connect("example.com",5000,bTls,maxWaitMs)
If (success = 0) Then
Debug.Print socket.LastErrorText
Exit Sub
End If
' Read exactly one byte. Its numeric value is stored in the ReceivedInt property. Passing 1
' interprets the byte as unsigned (0 through 255); 0 interprets it as signed.
Dim bUnsigned As Long
bUnsigned = 1
success = socket.ReceiveByte(bUnsigned)
If (success = 0) Then
Debug.Print socket.LastErrorText
Exit Sub
End If
Debug.Print "Received byte value: " & socket.ReceivedInt