WCF对Collection&Dictionary的支持

namespace Artech.SpecialDataContract.Contract 
{ 
[ServiceContract] 
public interface IOrderManager 
{ 
[OperationContract(Name = "ProcessWithCollection")] 
void Process(OrderCollection orders); 

[OperationContract(Name = "ProcessWithDictionary")] 
void Process(IDictionary<Guid, Order> orders); 
} 
} 

[DataContract] 
public class Order 
{ 
[DataMember] 
public Guid OrderID 
{ get; set; } 

[DataMember] 
public DateTime OrderDate 
{ get; set; } 
} 

<?xml version="1.0" encoding="utf-8"?> 
<xs:schema elementFormDefault="qualified" targetNamespace="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://schemas.microsoft.com/2003/10/Serialization/Arrays" xmlns:ser="http://schemas.microsoft.com/2003/10/Serialization/"> 
<xs:import schemaLocation="http://artech/Artech.SpecialDataContract/OrderManagerService.svc?xsd=xsd1" namespace="http://schemas.microsoft.com/2003/10/Serialization/"/> 
<xs:import schemaLocation="http://artech/Artech.SpecialDataContract/OrderManagerService.svc?xsd=xsd2" namespace="http://schemas.datacontract.org/2004/07/Artech.SpecialDataContract.Contract"/> 
<xs:complexType name="ArrayOfKeyValueOfguidOrder_SkVQi6O3"> 
<xs:annotation> 
<xs:appinfo> 
<IsDictionary xmlns="http://schemas.microsoft.com/2003/10/Serialization/">true</IsDictionary> 
</xs:appinfo> 
</xs:annotation> 
<xs:sequence> 
<xs:element minOccurs="0" maxOccurs="unbounded" name="KeyValueOfguidOrder_SkVQi6O3"> 
<xs:complexType> 
<xs:sequence> 
<xs:element name="Key" type="ser:guid"/> 
<xs:element name="Value" nillable="true" type="q1:Order" xmlns:q1="http://schemas.datacontract.org/2004/07/Artech.SpecialDataContract.Contract"/> 
</xs:sequence> 
</xs:complexType> 
</xs:element> 
</xs:sequence> 
</xs:complexType> 
<xs:element name="ArrayOfKeyValueOfguidOrder_SkVQi6O3" nillable="true" type="tns:ArrayOfKeyValueOfguidOrder_SkVQi6O3"/> 
</xs:schema> 

[System.CodeDom.Compiler.GeneratedCodeAttribute("System.ServiceModel", "3.0.0.0")] 
[System.ServiceModel.ServiceContractAttribute(ConfigurationName="OrderManagerService.IOrderManager")] 
public interface IOrderManager { 
[System.ServiceModel.OperationContractAttribute(Action="http://tempuri.org/IOrderManager/ProcessWithDictionary", ReplyAction="http://tempuri.org/IOrderManager/ProcessWithDictionaryResponse")] 
void ProcessWithDictionary(System.Collections.Generic.Dictionary<System.Guid, Artech.SpecialDataContract.Client.OrderManagerService.Order> orders); 
}