OpenHome.Net.Device.Providers.DvProviderUpnpOrgConnectionManager1.DoGetCurrentConnectionInfo C# (CSharp) Method

        private static int DoGetCurrentConnectionInfo(IntPtr aPtr, IntPtr aInvocation)
        {
            GCHandle gch = GCHandle.FromIntPtr(aPtr);
            DvProviderUpnpOrgConnectionManager1 self = (DvProviderUpnpOrgConnectionManager1)gch.Target;
            DvInvocation invocation = new DvInvocation(aInvocation);
            int connectionID;
            int rcsID;
            int aVTransportID;
            string protocolInfo;
            string peerConnectionManager;
            int peerConnectionID;
            string direction;
            string status;
            try
            {
                invocation.ReadStart();
                connectionID = invocation.ReadInt("ConnectionID");
                invocation.ReadEnd();
                self.GetCurrentConnectionInfo(invocation, connectionID, out rcsID, out aVTransportID, out protocolInfo, out peerConnectionManager, out peerConnectionID, out direction, out status);
            }
            catch (ActionError e)
            {
                invocation.ReportActionError(e, "GetCurrentConnectionInfo");
                return -1;
            }
            catch (PropertyUpdateError)
            {
                invocation.ReportError(501, String.Format("Invalid value for property {0}", new object[] { "GetCurrentConnectionInfo" }));
                return -1;
            }
            catch (Exception e)
            {
                System.Diagnostics.Debug.WriteLine("WARNING: unexpected exception {0} thrown by {1}", new object[] { e, "GetCurrentConnectionInfo" });
                System.Diagnostics.Debug.WriteLine("         Only ActionError or PropertyUpdateError should be thrown by actions");
                return -1;
            }
            try
            {
                invocation.WriteStart();
                invocation.WriteInt("RcsID", rcsID);
                invocation.WriteInt("AVTransportID", aVTransportID);
                invocation.WriteString("ProtocolInfo", protocolInfo);
                invocation.WriteString("PeerConnectionManager", peerConnectionManager);
                invocation.WriteInt("PeerConnectionID", peerConnectionID);
                invocation.WriteString("Direction", direction);
                invocation.WriteString("Status", status);
                invocation.WriteEnd();
            }
            catch (ActionError)
            {
                return -1;
            }
            catch (System.Exception e)
            {
                System.Diagnostics.Debug.WriteLine("WARNING: unexpected exception {0} thrown by {1}", new object[] { e, "GetCurrentConnectionInfo" });
                System.Diagnostics.Debug.WriteLine("       Only ActionError can be thrown by action response writer");
            }
            return 0;
        }