GetFixedInfo() [2/2]

static global.Interop.IpHlpApi.FIXED_INFO System.Net.NetworkInformation.HostInformationPal.GetFixedInfo ( )

inlinestaticprivate

Definition at line 29 of file HostInformationPal.cs.

    {
        uint pOutBufLen = 0u;
        global::Interop.IpHlpApi.FIXED_INFO result = default(global::Interop.IpHlpApi.FIXED_INFO);
        uint networkParams = global::Interop.IpHlpApi.GetNetworkParams(IntPtr.Zero, ref pOutBufLen);
        while (true)
        {
            switch (networkParams)
            {
            case 111u:
            {
                IntPtr intPtr = Marshal.AllocHGlobal((int)pOutBufLen);
                try
                {
                    networkParams = global::Interop.IpHlpApi.GetNetworkParams(intPtr, ref pOutBufLen);
                    if (networkParams == 0)
                    {
                        result = Marshal.PtrToStructure<global::Interop.IpHlpApi.FIXED_INFO>(intPtr);
                    }
                }
                finally
                {
                    Marshal.FreeHGlobal(intPtr);
                }
                break;
            }
            default:
                throw new Win32Exception((int)networkParams);
            case 0u:
                return result;
            }
        }
    }

References System.Runtime.InteropServices.Marshal.AllocHGlobal(), System.Runtime.InteropServices.Marshal.FreeHGlobal(), System.Runtime.InteropServices.Marshal.PtrToStructure(), and System.IntPtr.Zero.