//get an instance of the connector from the factory
Connector conn = ConnectorFactory.getInstance(6400);
//then join a multicast group of your choice to send and receive PDU's from/to
conn.JoinMulticastGroup(MulticastGroup.Parse("224.5.5.5"));

//start the background listener
conn.StartListening();
//ever ongoing loop for the sake of this example
while (true)
{
    foreach (Pdu pdu in conn.GetEnqueuedPDUs())
    {
        Console.WriteLine("Received PDU with timestamp {0}", pdu.Timestamp);
        //do with it whatever you want, but it usually requires casting to the appropiate PDU type
        if (pdu is EntityStatePdu)
        {
            Console.WriteLine("Received PDU is of type EntityState.");
            EntityStatePdu espdu = (EntityStatePdu)pdu;
            Console.WriteLine(
                "Entity ID:{0} \n Location: (x:{1}, y:{2}, z:{3})",
                espdu.EntityID,
                espdu.EntityLocation.X,
                espdu.EntityLocation.Y,
                espdu.EntityLocation.Z
            );
        }
        else if(pdu is DetonationPdu){
            DetonationPdu dpdu = (DetonationPdu)pdu;
            Console.WriteLine("Received PDU is of type Detonation.");
        }
    }
}

EntityStatePdu espdu = new EntityStatePdu();

//Marnehuizen
double lat = 53.3889139;
double lon = 6.263677777777778;

espdu.ExerciseID = 1;

EntityID eid = espdu.EntityID;
eid.Site = 0;
eid.Application = 1;
eid.Entity = 2;

EntityType entityType = espdu.EntityType;
entityType.Country = (ushort)Country.Netherlands; // NL
entityType.EntityKind = (byte)EntityKind.LifeForm;// Life form (vs platform, munition, sensor, etc.)
entityType.Domain = (byte)Platform.Land;          // Land (vs air, surface, subsurface, space)
entityType.Category = 0;//empty
entityType.Subcategory = 1;// Dismounted
entityType.Specific = 5; //carrying an assault rifle
entityType.Extra = 1; //Moving alone

double[] disCoordinates = CoordinateConversions.getXYZfromLatLonDegrees(lat, lon, 0.0);

Vector3Double location = espdu.EntityLocation;
location.X = disCoordinates[0];
location.Y = disCoordinates[1];
location.Z = disCoordinates[2];
espdu.Timestamp = DisTime.DisRelativeTimestamp;

//send the constructed PDU to the specified multicast group
conn.sendPDU(espdu, MulticastGroup.Parse("224.5.5.5"))

foreach (Pdu pdu in conn.GetEnqueuedPDUs())
{
    //if you want the PDU to be accompanied with a "details field", pass true.
    Console.WriteLine(JSONDecoder.Decode(pdu, true));
    /*
    results in:
    {
        "EntityID": {
            "Site": 0,
            "Application": 1,
            "Entity": 2
        },
        "ForceID": 0,
        "NumberOfArticulationParameters": 0,
        "EntityType": {
            "EntityKind": {
            "Value": 3,
            "Details": "Life form"
            },
            "Domain": {
            "Value": 1,
            "Details": "Land"
            },
            "Country": {
            "Value": 153,
            "Details": "Netherlands (NLD)"
            },
            "Category": {
            "Value": 10,
            "Details": "Conventional Armed Forces64"
            },
            "Subcategory": {
            "Value": 1
            },
            "Specific": {
            "Value": 1
            },
            "Extra": {
            "Value": 1
            }
        }
        ..etc
    }
    */ 

    //if set to false, the field types are primitives.
    Console.WriteLine(JSONDecoder.Decode(pdu, true));
    /*
    results in:
    {
        "EntityID": {
            "Site": 0,
            "Application": 1,
            "Entity": 2
        },
        "ForceID": 0,
        "NumberOfArticulationParameters": 0,
        "EntityType": {
            "EntityKind": 3,
            "Domain": 1,
            "Country":153,
            "Category": 10,
            "Subcategory" : 1,
            "Specific": 1,
            "Extra": 1
        }
        ..etc
    }
    */     
}