protected void CheckAnimStack(FbxAnimStack origStack, FbxAnimStack importStack)
        {
            Assert.IsNotNull(origStack);
            Assert.IsNotNull(importStack);
            Assert.AreEqual(origStack.GetName(), importStack.GetName());
            Assert.AreEqual(origStack.Description.Get(), importStack.Description.Get());
            Assert.AreEqual(origStack.GetMemberCount(), importStack.GetMemberCount());

            Assert.AreEqual(origStack.GetLocalTimeSpan(), importStack.GetLocalTimeSpan());
        }