VERSION 5.00
Object = "{248DD890-BB45-11CF-9ABC-0080C7E7B78D}#1.0#0"; "MSWINSCK.OCX"
Begin VB.Form frmClient
Caption = "Client"
ClientHeight = 3375
ClientLeft = 8460
ClientTop = 3960
ClientWidth = 5880
LinkTopic = "Form1"
ScaleHeight = 3375
ScaleWidth = 5880
Begin VB.CommandButton cmdSend
Caption = "Send Data"
Height = 360
Left = 1950
TabIndex = 2
Top = 2940
Width = 1710
End
Begin MSWinsockLib.Winsock TCPClient3
Left = 5430
Top = 2910
_ExtentX = 741
_ExtentY = 741
_Version = 393216
End
Begin MSWinsockLib.Winsock TCPClient2
Left = 4080
Top = 2940
_ExtentX = 741
_ExtentY = 741
_Version = 393216
End
Begin VB.TextBox Text1
Height = 2775
Left = 75
MultiLine = -1 'True
ScrollBars = 2 'Vertical
TabIndex = 1
Top = 90
Width = 5730
End
Begin VB.CommandButton btnConnect
Caption = "Connect to Server"
Height = 360
Left = 75
TabIndex = 0
Top = 2940
Width = 1710
End
Begin MSWinsockLib.Winsock TCPClient1
Left = 4785
Top = 2925
_ExtentX = 741
_ExtentY = 741
_Version = 393216
End
End
Attribute VB_Name = "frmClient"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Option Explicit
Private Sub btnConnect_Click()
Text1.Text = Text1.Text & "Connecting to remote host" & vbCrLf
With TCPClient1
.Close
.RemoteHost = .LocalHostName
.RemotePort = 9999
.Connect
End With
With TCPClient2
.Close
.RemoteHost = .LocalHostName
.RemotePort = 9999
.Connect
End With
With TCPClient3
.Close
.RemoteHost = .LocalHostName
.RemotePort = 9999
.Connect
End With
End Sub
'---------------------------------------------------------------------------------------
' Procedure : Sub cmdSend_Click
' : Send Messages to the server by 3 different Winsock Controls
'---------------------------------------------------------------------------------------
Private Sub cmdSend_Click()
Dim oStream As TCPManagedStream.Stream
Dim bArr() As Byte
Dim x As Long
Dim y As Long
Set oStream = New Stream
Call oStream.Send(TCPClient2, , AsByteArray, 6)
Call oStream.Send(TCPClient3, , AsString, 6)
Call oStream.Send(TCPClient1, "Hello", AsString)
Call oStream.Send(TCPClient1, "how", AsString)
Call oStream.Send(TCPClient2, "are", AsString)
Call oStream.Send(TCPClient3, "you", AsString)
ReDim bArr(25)
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
''' using the optional identifier argument to identify the type of message
''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''
For x = 0 To UBound(bArr)
bArr(x) = 65 + x ''' Send all Uppercase Letters
Next
Call oStream.Send(TCPClient1, bArr, AsByteArray, 1)
For x = 0 To UBound(bArr)
bArr(x) = 97 + x ''' Send all Lowercase Letters
Next
Call oStream.Send(TCPClient3, bArr, AsByteArray, 2) ''' using the optional identifier argument
Call oStream.Send(TCPClient1, "Sending alphabet 100 times", AsString)
For y = 1 To 100
Call oStream.Send(TCPClient3, bArr, AsByteArray)
Next
''' NOTE :
''' When the server receives the data it will not be in the same order as it was sent
''' ie. all TCPClient1 Data will be received first, TCPClient2 next etc.
''' this is because the small messages for each winsock control are packed together into one stream
''' but the individual messages will be received separetely
Set oStream = Nothing
End Sub
Private Sub TCPClient1_Connect()
Text1.Text = Text1.Text & "Winsock1 Connected" & vbCrLf
End Sub
Private Sub TCPClient2_Connect()
Text1.Text = Text1.Text & "Winsock2 Connected" & vbCrLf
End Sub
Private Sub TCPClient3_Connect()
Text1.Text = Text1.Text & "Winsock3 Connected" & vbCrLf
End Sub
Private Sub TCPClient1_Error(ByVal Number As Integer, Description As String, ByVal Scode As Long, ByVal Source As String, ByVal HelpFile As String, ByVal HelpContext As Long, CancelDisplay As Boolean)
Text1.Text = Text1.Text & Description & vbCrLf
End Sub
Private Sub TCPClient2_Error(ByVal Number As Integer, Description As String, ByVal Scode As Long, ByVal Source As String, ByVal HelpFile As String, ByVal HelpContext As Long, CancelDisplay As Boolean)
Text1.Text = Text1.Text & Description & vbCrLf
End Sub
Private Sub TCPClient3_Error(ByVal Number As Integer, Description As String, ByVal Scode As Long, ByVal Source As String, ByVal HelpFile As String, ByVal HelpContext As Long, CancelDisplay As Boolean)
Text1.Text = Text1.Text & Description & vbCrLf
End Sub
