## _KeyCollection::Contains method


Checks if item is present in container.

```cpp
bool System::Collections::Generic::_KeyCollection<Dict>::Contains(const TKey &item) const override
```


| Parameter | Type | Description |
| --- | --- | --- |
| item | const TKey\& | Item to look for. |

### ReturnValue

True if item is found, false otherwise.

## See Also

* Typedef [TKey](../tkey/)
* Class [_KeyCollection](../)
* Namespace [System::Collections::Generic](../../)
* Library [Aspose.PDF for C++](../../../)