Build a class and use DataContracts..
<xmlContractClass>
<val1>true</val1>
<val2>true</val2>
<val3>true</val3>
</xmlContractClass>
then in code:
using System.Runtime.Serialization;
namespace yours{
[DataContract]
class xmlContractClass{
[DataMember(Order = 0)]
bool val1,val2,val3;
}}
there are plenty of other examples online @ msdn... :-D