public void FromNativeVariantTest() { using (var pVar = new SafeHGlobalHandle(100)) { Marshal.GetNativeVariantForObject(0xFFFFFFFF, (IntPtr)pVar); var pv = PROPVARIANT.FromNativeVariant((IntPtr)pVar); Assert.That(pv.vt, Is.EqualTo(VARTYPE.VT_UI4)); VariantClear((IntPtr)pVar); } }