vb.net使用ping的簡(jiǎn)單介紹

用VB.NET怎么編一個(gè)ping的程序

詳見下面代碼

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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)'設(shè)置為自己要ping的ip地址

If m_PingReply.Status = Net.NetworkInformation.IPStatus.Success Then

MsgBox(m_PingReply.RoundtripTime)'返回網(wǎng)絡(luò)延遲

Else'返回不通的原因

MsgBox(m_PingReply.Status.ToString)

End If

在vb.net里 ping域名得到ip地址 怎么弄

我來說說...i試試看行不行。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

VB.net 如何ping一個(gè)ip地址并獲取延遲值？

Dim?b?As?Boolean?=?My.Computer.Network.Ping("192.168.1.1",?1000)?'返回ping結(jié)果，true表示通，false表示不通，1000表示1000毫秒內(nèi)返回結(jié)果?

If?b?=?True?Then?'指定時(shí)間內(nèi)ping通

Shell("cmd?/c?ping?192.168.1.1??C:\time.txt")?'在C盤time.txt文件中保存ping的結(jié)果

Else?'超時(shí)

MsgBox("999")?'彈出999提示

End?If

文章標(biāo)題：vb.net使用ping的簡(jiǎn)單介紹
文章轉(zhuǎn)載：http://muchs.cn/article18/doeiogp.html

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