vb最简洁的测试是否连接到网络的代码
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引用WinSock控则神银孙宴件
Private Sub Command1_Click()
If Winsock1.State >瞎宴 0 Then Winsock1.Close
Winsock1.RemoteHost = "192.168.1.1"
Winsock1.RemotePort = 21
Winsock1.Connect
End Sub
Private Sub Winsock1_Error(ByVal Number As Integer, Description As String, ByVal Scode As Long, ByVal Source As String, ByVal HelpFile As String, ByVal HelpContext As Long, CancelDisplay As Boolean)
Debug.Print Description
Description = ""
End Sub
Private Sub Command1_Click()
If Winsock1.State >瞎宴 0 Then Winsock1.Close
Winsock1.RemoteHost = "192.168.1.1"
Winsock1.RemotePort = 21
Winsock1.Connect
End Sub
Private Sub Winsock1_Error(ByVal Number As Integer, Description As String, ByVal Scode As Long, ByVal Source As String, ByVal HelpFile As String, ByVal HelpContext As Long, CancelDisplay As Boolean)
Debug.Print Description
Description = ""
End Sub
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