internal NetworkStream method_0(string string_2, int int_1, int int_2, int int_3, out Class85 class85_0) { class85_0 = new Class85(this.hiUlFldbZG, this.int_0); class85_0.method_11(int_2); class85_0.method_9(int_3); NetworkStream stream = class85_0.method_12(); byte[] buffer = new byte[3]; buffer[0] = 5; buffer[1] = 1; byte[] buffer2 = buffer; stream.Write(buffer2, 0, buffer2.Length); byte[] buffer3 = new byte[2]; int num = stream.Read(buffer3, 0, buffer3.Length); if (num < 2) { throw new Exception("Error occurred when shake hand with proxy server."); } if (buffer3[1] != 0) { throw new Exception("Error occurred when shake hand with proxy server."); } byte[] destinationArray = new byte[10]; destinationArray[0] = 5; destinationArray[1] = 1; destinationArray[2] = 0; destinationArray[3] = 1; Array.Copy(IPAddress.Parse(string_2).GetAddressBytes(), 0, destinationArray, 4, 4); Array.Copy(BitConverter.GetBytes(IPAddress.HostToNetworkOrder(int_1)), 2, destinationArray, 8, 2); stream.Write(destinationArray, 0, destinationArray.Length); byte[] buffer5 = new byte[0x200]; stream.Read(buffer5, 0, buffer5.Length); if (num == 0) { throw new Exception("Error occurred when request connection from proxy server ."); } if (buffer5[1] != 0) { throw new Exception("Error occurred when request connection from proxy server ."); } return(stream); }