VB6.0 扫描端口

分二步：
一、建立模块，复制下面代码：
Option Explicit

Public MIBICMPSTATS As MIBICMPSTATS
Public Type MIBICMPSTATS
dwEchos As Long
dwEchoReps As Long
End Type

Public MIBICMPINFO As MIBICMPINFO
Public Type MIBICMPINFO
icmpOutStats As MIBICMPSTATS
End Type

Public MIB_ICMP As MIB_ICMP
Public Type MIB_ICMP
stats As MIBICMPINFO
End Type

Public Declare Function GetIcmpStatistics Lib "iphlpapi.dll" (pStats As MIBICMPINFO) As Long
Public Last_ICMP_Cnt As Integer 'ICMP count

Type MIB_TCPROW
dwState As Long
dwLocalAddr As Long
dwLocalPort As Long
dwRemoteAddr As Long
dwRemotePort As Long
End Type

Type MIB_TCPTABLE
dwNumEntries As Long
table(100) As MIB_TCPROW
End Type
Public MIB_TCPTABLE As MIB_TCPTABLE

Declare Function GetTcpTable Lib "iphlpapi.dll" (ByRef pTcpTable A