## BoxedValue::GetUnsignedLongLongValue method


如果可以转换，则返回装箱对象的数值，否则返回零。

```cpp
uint64_t System::BoxedValue<T>::GetUnsignedLongLongValue() const override
```

## 另见

* Class [BoxedValue](../)
* Namespace [System](../../)
* Library [Aspose.Page for C++](../../../)