## HttpResponseHeaders::get_Upgrade method


Returns a value of the 'Upgrade' header.

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


### ReturnValue

A value of the 'Upgrade' header.

## See Also

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