diff --git a/Lidgren.Network/NetClient.cs b/Lidgren.Network/NetClient.cs
index 5def2a8..1d2937a 100644
--- a/Lidgren.Network/NetClient.cs
+++ b/Lidgren.Network/NetClient.cs
@@ -84,15 +84,16 @@ namespace Lidgren.Network
 		/// <summary>
 		/// Sends message to server
 		/// </summary>
-		public void SendMessage(NetOutgoingMessage msg, NetDeliveryMethod method, int sequenceChannel)
+		public bool SendMessage(NetOutgoingMessage msg, NetDeliveryMethod method, int sequenceChannel)
 		{
 			NetConnection serverConnection = ServerConnection;
 			if (serverConnection == null)
 			{
 				//LogError("Cannot send message, no server connection!");
-				return;
+				return false;
 			}
-			serverConnection.SendMessage(msg, method, sequenceChannel);
+
+			return serverConnection.SendMessage(msg, method, sequenceChannel);
 		}
 
 		public override string ToString()
diff --git a/Lidgren.Network/NetConnection.Reliability.cs b/Lidgren.Network/NetConnection.Reliability.cs
index f10eef3..d595cec 100644
--- a/Lidgren.Network/NetConnection.Reliability.cs
+++ b/Lidgren.Network/NetConnection.Reliability.cs
@@ -63,11 +63,16 @@ namespace Lidgren.Network
 			int num = ((int)NetMessageType.UserReliableOrdered + NetConstants.NetChannelsPerDeliveryMethod) - (int)NetMessageType.UserSequenced;
 			m_nextSendSequenceNumber = new int[num];
 			m_lastReceivedSequenced = new ushort[num];
+			for (int i = 0; i < m_lastReceivedSequenced.Length; i++)
+				m_lastReceivedSequenced[i] = ushort.MaxValue;
 			m_nextForceAckTime = double.MaxValue;
 		}
 
 		internal ushort GetSendSequenceNumber(NetMessageType mtp)
 		{
+			if (mtp < NetMessageType.UserSequenced)
+				return 0;
+
 			int slot = (int)mtp - (int)NetMessageType.UserSequenced;
 			int retval;
 			lock (m_nextSendSequenceNumber)
diff --git a/Lidgren.Network/NetConnection.cs b/Lidgren.Network/NetConnection.cs
index 9ca5280..c100414 100644
--- a/Lidgren.Network/NetConnection.cs
+++ b/Lidgren.Network/NetConnection.cs
@@ -625,10 +625,23 @@ namespace Lidgren.Network
 			if (msg.IsSent)
 				throw new NetException("Message has already been sent!");
 
-			NetException.Assert(sequenceChannel >= 0 && sequenceChannel < NetConstants.NetChannelsPerDeliveryMethod, "Sequence channel must be between 0 and NetConstants.NetChannelsPerDeliveryMethod (" + NetConstants.NetChannelsPerDeliveryMethod + ")");
-			
-			if (method <= NetDeliveryMethod.Unknown || method > NetDeliveryMethod.ReliableOrdered)
-				throw new NetException("Bad delivery method!");
+			switch (method)
+			{
+				case NetDeliveryMethod.Unreliable:
+				case NetDeliveryMethod.ReliableUnordered:
+					if (sequenceChannel != 0)
+						throw new NetException("Delivery method " + method + " cannot use sequence channels other than 0!");
+					break;
+				case NetDeliveryMethod.ReliableOrdered:
+				case NetDeliveryMethod.ReliableSequenced:
+				case NetDeliveryMethod.UnreliableSequenced:
+					NetException.Assert(sequenceChannel >= 0 && sequenceChannel < NetConstants.NetChannelsPerDeliveryMethod, "Sequence channel must be between 0 and NetConstants.NetChannelsPerDeliveryMethod (" + NetConstants.NetChannelsPerDeliveryMethod + ")");
+					break;
+				case NetDeliveryMethod.Unknown:
+				default:
+					throw new NetException("Bad delivery method!");
+					break;
+			}
 
 			if (m_owner == null)
 				return false; // we've been disposed
diff --git a/UnitTests/ReadWriteTests.cs b/UnitTests/ReadWriteTests.cs
index 9b3b260..7917387 100644
--- a/UnitTests/ReadWriteTests.cs
+++ b/UnitTests/ReadWriteTests.cs
@@ -76,14 +76,14 @@ namespace UnitTests
 			test.Name = "Hallon";
 			test.Age = 8.2f;
 
-			tmp.WriteAllFields(test);
+			tmp.WriteAllFields(test, BindingFlags.Public | BindingFlags.Instance);
 
 			data = tmp.PeekDataBuffer();
 
 			inc = Program.CreateIncomingMessage(data, tmp.LengthBits);
 
 			Test readTest = new Test();
-			inc.ReadAllFields(readTest);
+			inc.ReadAllFields(readTest, BindingFlags.Public | BindingFlags.Instance);
 
 			NetException.Assert(readTest.Number == 42);
 			NetException.Assert(readTest.Name == "Hallon");
@@ -110,9 +110,13 @@ namespace UnitTests
 		}
 	}
 
-	public class Test
+	public class TestBase
 	{
 		public int Number;
+	}
+
+	public class Test : TestBase
+	{
 		public float Age;
 		public string Name;
 	}