@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: Iterate through available network connections !!!!C# Signature: [DllImport("ws2_32.dll", CharSet = CharSet.Auto, SetLastError=true)] static extern Int32 WSALookupServiceNext(Int32 hLookup, Int32 dwControlFlags,ref Int32 lpdwBufferLength, IntPtr pqsResults); !!!!VB Signature: Declare Function WSALookupServiceNext Lib "ws2_32.dll" (TODO) As TODO !!!!User-Defined Types: None. !!!!Notes: None. !!!!Tips & Tricks: Please add some! !!!!Sample Code: WSAData data = new WSAData(); int result = 0; result = WSAStartup(2, out data); if (result == WSAError.Success) { WSAQUERYSET lpRestrictions = new WSAQUERYSET(); lpRestrictions.dwSize = Marshal.SizeOf(lpRestrictions); int hLookup = 0; if (WSALookupServiceBegin(ref lpRestrictions, 4080, ref hLookup) != (int)SocketError.SocketError) { int nextresult = 0; while (nextresult != WSAError.WSAENOMORE && nextresult != WSAError.WSA_E_NO_MORE && nextresult != WSAError.Error) { int dwLength = 5000; WSAQUERYSET qs = new WSAQUERYSET(); IntPtr pqs = Marshal.AllocHGlobal(dwLength); nextresult = WSALookupServiceNext(hLookup, 4080, ref dwLength, pqs); if (nextresult == 0) { qs = Marshal.PtrToStructure<WSAQUERYSET>(pqs); System.Diagnostics.Debug.WriteLine(qs.szServiceInstanceName); } else { nextresult = Marshal.GetLastWin32Error(); } Marshal.FreeHGlobal(pqs); } WSALookupServiceEnd(hLookup); } WSACleanup(); } !!!!Alternative Managed API: Do you know one? Please contribute it! Documentation: WSALookupServiceNext@msdn on MSDN
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