Public Shared Function CheckForInternetConnection() As Boolean Try Using client = New WebClient() Using stream = client.OpenRead("https://msdn.microsoft.com/") Return True End Using End Using Catch Return False End TryEnd Function
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Public Shared Function CheckForInternetConnection() As Boolean Try Using client = New WebClient() Using stream = client.OpenRead("https://msdn.microsoft.com/") Return True End Using End Using Catch Return False End TryEnd Function
转载于:https://www.cnblogs.com/tony-MSDN/p/4368005.html