详见下面代码
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Dim m_ping As New System.Net.NetworkInformation.Ping
Dim m_PingReply As System.Net.NetworkInformation.PingReply = m_ping.Send("192.168.1.1", 1000)'设置为自己要ping的ip地址
If m_PingReply.Status = Net.NetworkInformation.IPStatus.Success Then
MsgBox(m_PingReply.RoundtripTime)'返回网络延迟
Else'返回不通的原因
MsgBox(m_PingReply.Status.ToString)
End If
我来说说...i试试看行不行。Option Explicit
Const SYNCHRONIZE = H100000
Const INFINITE = HFFFF
Const WAIT_OBJECT_0 = 0
Const WAIT_TIMEOUT = H102
Private Declare Function SendMessage Lib "User32" Alias "SendMessageA" (ByVal hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Private Declare Function OpenProcess Lib "kernel32" (ByVal dwDesiredAccess As Long, ByVal bInheritHandle As Long, ByVal dwProcessId As Long) As Long
Private Declare Function WaitForSingleObject Lib "kernel32" (ByVal hHandle As Long, ByVal dwMilliseconds As Long) As Long
Private Declare Function CloseHandle Lib "kernel32" (ByVal hObject As Long) As Long
Private Sub cmdClear_Click()
txtIP.Text = ""
txtNumber.Text = ""
Open "C:\log.txt" For Output As #1
Close #1
txtOutPut.Text = ""
End Sub
Private Sub cmdPing_Click()
Dim ShellX As String
Dim lPid As Long
Dim lHnd As Long
Dim lRet As Long
Dim VarX As String
frmMain.MousePointer = 11
If txtIP.Text "" Then
DoEvents
ShellX = Shell("command.com /c ping -n " txtNumber.Text " " txtIP.Text " C:\log.txt", vbHide)
lPid = ShellX
If lPid 0 Then
lHnd = OpenProcess(SYNCHRONIZE, 0, lPid)
If lHnd 0 Then
lRet = WaitForSingleObject(lHnd, INFINITE)
CloseHandle (lHnd)
End If
Beep
frmMain.MousePointer = 0
Open "C:\log.txt" For Input As #1
txtOutPut.Text = Input(LOF(1), 1)
Close #1
End If
Else
frmMain.MousePointer = 0
VarX = MsgBox("You have not entered an ip address or the number of times you want to ping.", vbCritical, "Error has occured")
End If
End Sub
Dim b As Boolean = My.Computer.Network.Ping("192.168.1.1", 1000) '返回ping结果，true表示通，false表示不通，1000表示1000毫秒内返回结果
If b = True Then '指定时间内ping通
Shell("cmd /c ping 192.168.1.1 C:\time.txt") '在C盘time.txt文件中保存ping的结果
Else '超时
MsgBox("999") '弹出999提示
End If