VB 判断IP能否ping通
(2012-12-20 00:19:31)
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标签： ping ip playkeyvb | 分类： 计算机杂症 |
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窗体代码
'测试
Private Sub Form_Load()
If PingIP("122.22.255.255") Then
MsgBox "可以ping通"
El
MsgBox "ping 不通"
End If
End Sub
模块代码：
Option Explicit
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Private Const IP_SUCCESS As Long = 0
Private Const IP_STATUS_BASE As Long = 11000
Private Const IP_BUF_TOO_SMALL As Long = (11000 + 1)
Private Const IP_DEST_NET_UNREACHABLE As Long = (11000 + 2)
Private Const IP_DEST_HOST_UNREACHABLE As Long = (11000 + 3)
Private Const IP_DEST_PROT_UNREACHABLE As Long = (11000 + 4)
Private Const IP_DEST_PORT_UNREACHABLE As Long = (11000 + 5)
Private Const IP_NO_RESOURCES As Long = (11000 + 6)
Private Const IP_BAD_OPTION As Long = (11000 + 7)
Private Const IP_HW_ERROR As Long = (11000 + 8)
Private Const IP_PACKET_TOO_BIG As Long = (11000 + 9)
Private Const IP_REQ_TIMED_OUT As Long = (11000 + 10)
Private Const IP_BAD_REQ As Long = (11000 + 11)
Private Const IP_BAD_ROUTE As Long = (11000 + 12)
Private Const IP_TTL_EXPIRED_TRANSIT As Long = (11000 + 13)
Private Const IP_TTL_EXPIRED_REASSEM As Long = (11000 + 14)
Private Const IP_PARAM_PROBLEM As Long = (11000 + 15)
Private Const IP_SOURCE_QUENCH As Long = (11000 + 16)
Private Const IP_OPTION_TOO_BIG As Long = (11000 + 17)
Private Const IP_BAD_DESTINATION As Long = (11000 + 18)
Private Const IP_ADDR_DELETED As Long = (11000 + 19)
Private Const IP_SPEC_MTU_CHANGE As Long = (11000 + 20)
Private Const IP_MTU_CHANGE As Long = (11000 + 21)
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Private Const IP_UNLOAD As Long = (11000 + 22)
Private Const IP_ADDR_ADDED As Long = (11000 + 23)
Private Const IP_GENERAL_FAILURE As Long = (11000 + 50)
Private Const MAX_IP_STATUS As Long = (11000 + 50)
Private Const IP_PENDING As Long = (11000 + 255)
Private Const PING_TIMEOUT As Long = 500
Private Const WS_VERSION_REQD As Long = &H101
Private Const MIN_SOCKETS_REQD As Long = 1
Private Const SOCKET_ERROR As Long = -1fck
Private Const INADDR_NONE As Long = &HFFFFFFFF
Private ConstMAX_WSADescriptionAs Long = 256
Private ConstMAX_WSASYSStatusAs Long = 128
Public PingTimeAs Long
Private Type ICMP_OPTIONS
TtlAs Byte
TosAs Byte
Flags As Byte
OptionsSizeAs Byte
OptionsDataAs Long
End Type
Private Type ICMP_ECHO_REPLY
Address As Long
status As Long
RoundTripTimeAs Long
DataSizeAs Long
DataPointerAs Long
Options As ICMP_OPTIONS
Data As String * 250
End Type
Private Type WSADATA
wVersion As Integer
wHighVersion As Integer
szDescription(0 To MAX_WSADescription) As Byte
szSystemStatus(0 To MAX_WSASYSStatus) As Byte
wMaxSockets As Long
wMaxUDPDG As Long
dwVendorInfo As Long
End Type
Public Declare Function timeGetTime Lib "winmm.dll" () As Long
Private Declare Function WSAStartup Lib "wsock32" (ByValwVersionRequired As Long, lpWSADATA As WSADATA) As Long
Private Declare Function WSACleanup Lib "wsock32" () As Long
Private Declare Function IcmpCreateFile Lib "icmp.dll" () As Long
Private Declare Function inet_addr Lib "wsock32" (ByVal s As String) As Long
Private Declare Function IcmpCloHandle Lib "icmp.dll" (ByValIcmpHandleAs Long) As Long
Private Declare Function IcmpSendEcho Lib "icmp.dll" (ByValIcmpHandle As Long, ByValDestinationAddress As Long, ByValRequestData As String, ByValRequestSize As Long, ByValRequestOptions As Long, ReplyBuffer As ICMP_ECHO_REPLY, ByValReplySize As Long, ByVal Timeout As Long) As Long
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Private Function GetStatusCode(status As Long) As String
On Error GoToErrLine
Dim MsgAs String
GetStatusCode = ""
Select Ca statusquiet的比较级和最高级
Ca IP_SUCCESS
Msg = "ip success"
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Ca INADDR_NONE
Msg = "inet_addr: bad IP format"
Ca IP_BUF_TOO_SMALL
Msg = "ipbuftoo_small"
Ca IP_DEST_NET_UNREACHABLE
Msg = "ipdest net unreachable"
Ca IP_DEST_HOST_UNREACHABLE
Msg = "ipdest host unreachable"
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Ca IP_DEST_PROT_UNREACHABLE
Msg = "ipdest port unreachable"
Ca IP_DEST_PORT_UNREACHABLE
Msg = "ipdest port unreachable"
Ca IP_NO_RESOURCES
Msg = "ip no resources"
Ca IP_BAD_OPTION
Msg = "ip bad option"
Ca IP_HW_ERROR
Msg = "iphw_error"
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Ca IP_PACKET_TOO_BIG
Msg = "ip packet too_big"
Ca IP_REQ_TIMED_OUT
Msg = "ipreq timed out"
Ca IP_BAD_REQ
Msg = "ip bad req"
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Ca IP_BAD_ROUTE
Msg = "ip bad route"
Ca IP_TTL_EXPIRED_TRANSIT
Msg = "ipttl expired transit"
Ca IP_TTL_EXPIRED_REASSEM
Msg = "ipttl expired reasm"
