## Collection class

It is base class for collections.



The Collection type exposes the following members:

### Properties
| Property | Description |
| :- | :- |
| [count](/diagram/python-net/aspose.diagram/collection/count) | Gets the number of elements actually contained in the collection. |


### Methods
| Method | Description |
| :- | :- |
| [is_exist(index)](/diagram/python-net/aspose.diagram/collection/is_exist/#int) | Is exist item in the collection. |
| [clear()](/diagram/python-net/aspose.diagram/collection/clear/#) | Removes all elements from collection. |


### See Also

* module [aspose.diagram](../)