form1.frm

How to ping ip address in VB

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   1440
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   1440
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.ComboBox cboHost 
      Height          =   315
      ItemData        =   "Form1.frx":0000
      Left            =   120
      List            =   "Form1.frx":0002
      Style           =   2  'Dropdown List
      TabIndex        =   1
      Top             =   120
      Width           =   4455
   End
   Begin VB.CommandButton cmdPing 
      Caption         =   "Ping"
      Height          =   375
      Left            =   1920
      TabIndex        =   0
      Top             =   960
      Width           =   855
   End
   Begin VB.Label lblIPAddress 
      BorderStyle     =   1  'Fixed Single
      Height          =   315
      Left            =   120
      TabIndex        =   2
      Top             =   480
      Width           =   4455
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
' See:
'   How to ping an IP address with Visual Basic by using ICMP
'   http://support.microsoft.com/default.aspx?scid=kb%3ben-us%3b300197
Option Explicit

Private m_IpAddresses As Collection
Private Sub cboHost_Click()
    lblIPAddress.Caption = m_IpAddresses(cboHost.ListIndex + 1)
End Sub


Private Sub cmdPing_Click()
Dim Reply As ICMP_ECHO_REPLY
Dim lngSuccess As Long
Dim strIPAddress As String
   
    Screen.MousePointer = vbHourglass
    DoEvents
    Debug.Print "****************************************"

    'Get the sockets ready.
    If SocketsInitialize() Then
        'Address to ping
        strIPAddress = lblIPAddress.Caption

        'Ping the IP that is passing the address and get a reply.
        lngSuccess = ping(strIPAddress, 5000, Reply)

        'Display the results.
        Debug.Print "Address to Ping: " & strIPAddress
        Debug.Print "Raw ICMP code: " & lngSuccess
        Debug.Print "Ping Response Message : " & EvaluatePingResponse(lngSuccess)
        Debug.Print "Time : " & Reply.RoundTripTime & " ms"

        'Clean up the sockets.
        SocketsCleanup
    Else
        'Winsock error failure, initializing the sockets.
        Debug.Print WINSOCK_ERROR
    End If

    Screen.MousePointer = vbDefault
End Sub

Private Sub Form_Load()
    Set m_IpAddresses = New Collection

    cboHost.AddItem "www.google.com"
    m_IpAddresses.Add "64.233.167.99"

    cboHost.AddItem "www.amazon.com"
    m_IpAddresses.Add "207.171.166.102"

    cboHost.AddItem "msdn.microsoft.com"
    m_IpAddresses.Add "207.46.248.109"

    cboHost.AddItem "Localhost"
    m_IpAddresses.Add "127.0.0.1"

    cboHost.AddItem "Invalid"
    m_IpAddresses.Add "0.0.0.0"

    cboHost.ListIndex = 0
End Sub