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VB.NET

Send a 16-bit Integer over a Socket

See more Socket/SSL/TLS Examples

Demonstrates Socket.SendInt16, which sends the low 16 bits of a value as a two-byte integer in the selected byte order.

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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VB.NET
Dim success As Boolean = False

Dim socket As New Chilkat.Socket

'  Connect to the server using TLS.
Dim bTls As Boolean = True
Dim maxWaitMs As Integer = 5000
success = socket.Connect("example.com",5000,bTls,maxWaitMs)
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If


'  Send the low 16 bits of the value as a two-byte integer.  Use True for network byte order
'  (big-endian) or False for little-endian.
Dim bBigEndian As Boolean = True
success = socket.SendInt16(1024,bBigEndian)
If (success = False) Then
    Debug.WriteLine(socket.LastErrorText)
    Exit Sub
End If

Debug.WriteLine("16-bit integer sent.")