Public Structure WriteLock 
   Inherits System.ValueType

public struct WriteLock : System.ValueType 

using (ILockStrategy l = LockFactory.Create())
{
    Assert.AreEqual(0, l.WriteVersion);
    using(l.Write())
        Assert.AreEqual(0, l.WriteVersion);
    Assert.AreEqual(0, l.WriteVersion);
}

Using l As ILockStrategy = LockFactory.Create()
    Assert.AreEqual(0, l.WriteVersion)
    Using l.Write()
        Assert.AreEqual(0, l.WriteVersion)
    End Using
    Assert.AreEqual(0, l.WriteVersion)
End Using