TCP/IP Socket Connect to Remote Host:Port

Demonstrates how to create a TCP/IP socket, connect to a remote host:port, and receive a "Hello World!" message.

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Dim socket As New Chilkat.Socket()

Dim success As Boolean
success = socket.UnlockComponent("Anything for 30-day trial")
If (success <> true) Then
    MsgBox("Failed to unlock component")
    Exit Sub
End If


'  Connect to port 5555 of localhost.
'  The string "localhost" is for testing on a single computer.
'  It would typically be replaced with an IP hostname, such
'  as "www.chilkatsoft.com".
Dim ssl As Boolean
ssl = false
Dim maxWaitMillisec As Long
maxWaitMillisec = 20000
success = socket.Connect("localhost",5555,ssl,maxWaitMillisec)
If (success <> true) Then
    MsgBox(socket.LastErrorText)
    Exit Sub
End If


'  Set maximum timeouts for reading an writing (in millisec)
socket.MaxReadIdleMs = 10000
socket.MaxSendIdleMs = 10000

'  The server (in this example) is going to send a "Hello World!"
'  message.  Read it:
Dim receivedMsg As String
receivedMsg = socket.ReceiveString()
If (receivedMsg = vbNullString ) Then
    MsgBox(socket.LastErrorText)
    Exit Sub
End If


'  Close the connection with the server
'  Wait a max of 20 seconds (20000 millsec)
socket.Close(20000)

MsgBox(receivedMsg)