public class XPQuery<T> :
    XPQueryBase,
    IOrderedQueryable<T>,
    IEnumerable<T>,
    IEnumerable,
    IOrderedQueryable,
    IQueryable,
    IQueryable<T>,
    IQueryProvider

Public Class XPQuery(Of T)
    Inherits XPQueryBase
    Implements IOrderedQueryable(Of T),
               IEnumerable(Of T),
               IEnumerable,
               IOrderedQueryable,
               IQueryable,
               IQueryable(Of T),
               IQueryProvider

public class XPQuery<T> :
    XPQueryBase,
    IOrderedQueryable<T>,
    IQueryable<T>,
    IEnumerable<T>,
    IEnumerable,
    IQueryable,
    IOrderedQueryable,
    IQueryProvider

Public Class XPQuery(Of T)
    Inherits XPQueryBase
    Implements IOrderedQueryable(Of T),
               IQueryable(Of T),
               IEnumerable(Of T),
               IEnumerable,
               IQueryable,
               IOrderedQueryable,
               IQueryProvider

using DevExpress.Xpo;

//...

Session MainSession = new Session();
XPQuery<Customer> customersQuery = new XPQuery<Customer>(MainSession);

var customers = from c in customersQuery
                where c.Name == "John"
                select c;

foreach (Customer customer in customers)
    Console.WriteLine(customer.LastName);

Imports DevExpress.Xpo

'...

Dim MainSession As New Session()
Dim customersQuery As XPQuery(Of Customer) = New XPQuery(Of Customer)(MainSession)

Dim customers = from c in customersQuery where c.Name = "John" select c

For Each customer As Customer In customers
    Console.WriteLine(customer.LastName)
Next customer