## HttpRequestHeaders::get_Upgrade method


Returnerar ett värde för 'Upgrade'-headern.

```cpp
System::SharedPtr<HttpHeaderValueCollection<System::SharedPtr<ProductHeaderValue>>> System::Net::Http::Headers::HttpRequestHeaders::get_Upgrade()
```


### ReturnValue

Ett värde för 'Upgrade'-rubriken.

## Se även

* Typedef [SharedPtr](../../../system/sharedptr/)
* Class [HttpHeaderValueCollection](../../httpheadervaluecollection/)
* Class [ProductHeaderValue](../../productheadervalue/)
* Class [HttpRequestHeaders](../)
* Namespace [System::Net::Http::Headers](../../)
* Library [Aspose.Page for C++](../../../)