## IEnumerable::LINQ_All method


Determines whether all elements of a sequence satisfy a condition.

```cpp
bool System::Collections::Generic::IEnumerable<T>::LINQ_All(std::function<bool(T)> predicate)
```


| Parameter | Type | Description |
| --- | --- | --- |
| predicate | std::function\<bool(T)> | A function to test each element for a condition. |

### ReturnValue

true if every element of the source sequence passes the test in the specified predicate, or if the sequence is empty; otherwise, false.

## See Also

* Class [IEnumerable](../)
* Namespace [System::Collections::Generic](../../)
* Library [Aspose.PDF for C++](../../../)