VB模拟发送ICMP数据包(代码直接可用)

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Option Explicit
Dim HostName As String
Const SOCKET_ERROR = 0
    Dim hFile As Long, lpWSAdata As WSAdata
    Dim hHostent As Hostent, AddrList As Long
    Dim Address As Long, rIP As String
    Dim OptInfo As IP_OPTION_INFORMATION
    Dim EchoReply As IP_ECHO_REPLY
Private Type WSAdata
    wVersion As Integer
    wHighVersion As Integer
    szDescription(0 To 255) As Byte
    szSystemStatus(0 To 128) As Byte
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    iMaxSockets As Integer
    iMaxUdpDg As Integer
    lpVendorInfo As Long
End Type
Private Type Hostent
    h_name As Long
    h_aliases As Long
    h_addrtype As Integer
    h_length As Integer
    h_addr_list As Long
End Type
Private Type IP_OPTION_INFORMATION
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    TTL As Byte
    Tos As Byte
    Flags As Byte
    OptionsSize As Long
    OptionsData As String * 128
End