1. Visual Basic 2010 Winsock이용

2. 2010에서 Winsock 사용 Microsoft Winsock Control Version 6.0 설치
Libraryfiles.exe down 후 설치 (
메뉴도구도구 상자 항목 선택에서 [다시설정] 눌러 초기화
도구 상자 항목 선택COM 구성요소 “Microsoft WinSock Control, version 6.0″을 체크
우측 도구상자 메뉴에 Winsock Control Icon이 보이게 된다.
check
Libraryfiles.exe 실행하여
MSWINSCK.OCX 설치후
다시 설정 눌러준다

3. Visual Basic Socket Programming
AxWinsock 사용

4. AxWinsock 사용
Public Class Form1 Private Sub Form1_Activated(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Activated TextBox1.Focus() End Sub Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click On Error GoTo Connecterror If TextBox1.Text = "" Or TextBox2.Text = "" Or TextBox3.Text = "" Then MsgBox("Enter ip, port, nickname", , "확인") Exit Sub End If AxWinsock1.Connect(TextBox1.Text, TextBox2.Text) Connecterror: MsgBox("Cant' connect " & TextBox1.Text, , "Connect error") Private Sub TextBox5_KeyPress(ByVal KeyAscii As Integer) Dim strData As String If KeyAscii = vbCr Then strData = "[" & TextBox3.Text & "]" & ": " & TextBox5.Text AxWinsock1.SendData(strData) TextBox5.SelectionStart = 0 TextBox5.SelectionLength = Len(TextBox5.Text) Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click AxWinsock1.Close() End

5. Private Sub AxWinsock1_CloseEvent(ByVal sender As Object, ByVal e As System.EventArgs) Handles AxWinsock1.CloseEvent MsgBox("서버로부터 접속이 끊어졌습니다.") End End Sub Private Sub AxWinsock1_ConnectEvent(ByVal sender As Object, ByVal e As System.EventArgs) Handles AxWinsock1.ConnectEvent Button1.Text = "Connected" Button1.Enabled = False TextBox5.Focus() TextBox4.Text = "Connected to " & TextBox1.Text Private Sub AxWinsock1_DataArrival(ByVal sender As Object, ByVal e As AxMSWinsockLib.DMSWinsockControlEvents_DataArrivalEvent) Handles AxWinsock1.DataArrival Dim strData As String Dim byteData() As Byte byteData = Nothing ' Warning을 없애기 위하여... AxWinsock1.GetData(byteData) strData = System.Text.Encoding.ASCII.GetString(byteData) TextBox4.Text = TextBox4.Text + vbCrLf + strData TextBox4.SelectionStart = Len(TextBox4.Text) Private Sub TextBox5_GotFocus(ByVal sender As Object, ByVal e As System.EventArgs) Handles TextBox5.GotFocus TextBox5.SelectionStart = 0 TextBox5.SelectionLength = Len(TextBox4.Text) Private Sub TextBox5_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox5.KeyPress If e.KeyChar = vbCr Then If TextBox5.Text = "exit" Then Button2_Click(sender, e) 'exit End If strData = "[" & TextBox3.Text & "]" & ": " & TextBox5.Text AxWinsock1.SendData(strData) TextBox5.SelectionLength = Len(TextBox5.Text) Private Sub TextBox3_KeyPress(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyPressEventArgs) Handles TextBox3.KeyPress Button1_Click(sender, e) End Class