## WeakReference<>::WeakReference() method


Standardkonstruktor.

```cpp
System::WeakReference<>::WeakReference()
```

## Se även

* Class [WeakReference<>](../)
* Namespace [System](../../)
* Library [Aspose.PDF for C++](../../../)
## WeakReference<>::WeakReference(const SmartPtr\<Object\>\&) method


Initierar en ny instans av klassen [WeakReference](../../weakreference/), som refererar till det specificerade objektet.

```cpp
System::WeakReference<>::WeakReference(const SmartPtr<Object> &data)
```


| Parameter | Typ | Beskrivning |
| --- | --- | --- |
| data | const SmartPtr\<Object\>\& | [Object](../../object/) att lagra. |

## Se även

* Class [SmartPtr](../../smartptr/)
* Class [Object](../../object/)
* Class [WeakReference<>](../)
* Namespace [System](../../)
* Library [Aspose.PDF for C++](../../../)
## WeakReference<>::WeakReference(const SmartPtr\<Object\>\&, bool) method


Initierar en ny instans av klassen [WeakReference](../../weakreference/), som refererar till det specificerade objektet.

```cpp
System::WeakReference<>::WeakReference(const SmartPtr<Object> &data, bool trackResurrection)
```


| Parameter | Typ | Beskrivning |
| --- | --- | --- |
| data | const SmartPtr\<Object\>\& | [Object](../../object/) att lagra. |
| trackResurrection | bool | Ignorerad. |

## Se även

* Class [SmartPtr](../../smartptr/)
* Class [Object](../../object/)
* Class [WeakReference<>](../)
* Namespace [System](../../)
* Library [Aspose.PDF for C++](../../../)
## WeakReference<>::WeakReference(std::nullptr_t) method


Konstruktor från nullptr.

```cpp
System::WeakReference<>::WeakReference(std::nullptr_t)
```

## Se även

* Class [WeakReference<>](../)
* Namespace [System](../../)
* Library [Aspose.PDF for C++](../../../)