Generic Reflection

GenericReflection.cs

public void OnSave(object entity,
              object id,
              object[] state,
              string[] propertyNames,
              IType[] types)
{
  Type entityType = entity.GetType();
  Type genericType = typeof(Message<>);
  Type specificType = genericType.MakeGenericType(entityType);
  Type[] constructorParams = new[] { entityType };
  ConstructorInfo genericConstructor = specificType.GetConstructor(constructorParams);
  var message = genericConstructor.Invoke(new object[] { entity });
}