早上好!给定:publicclassFooClass{publicvoidFooMethod(){using(varmyEntity=newMyEntity){varresult=myEntity.MyDomainEntity.Where(myDomainEntity=>myDomainEntity.MySpecialID>default(int)).Distinct(newFooComparer);}}}publicclassFooComparer:IEqualityComparer{publicboolEquals(MyEntity.MyDomainEntityx,MyEntity