## DocumentPropertyCollection class

Base class for <see cref="BuiltInDocumentPropertyCollection"/> and <see cref="CustomDocumentPropertyCollection"/> collections.

```go

type DocumentPropertyCollection struct  {
	ptr unsafe.Pointer
}

```
## Constructors

| Method | Description |
| --- | --- |

## Methods

| Method | Description |
| --- | --- |
|[IsNull](./isnull/) | Checks whether the implementation object is nullptr. | 
|[Get_Int](./get_int/) | Returns a DocumentProperty object by index. | 
|[Contains](./contains/) | Returns true if a property with the specified name exists in the collection. | 
|[IndexOf](./indexof/) | Gets the index of a property by name. | 
|[Remove](./remove/) | Removes a property with the specified name from the collection. | 
|[RemoveAt](./removeat/) | Removes a property at the specified index. | 
|[Get_String](./get_string/) | Returns a DocumentProperty object by the name of the property. | 
|[GetCount](./getcount/) | Gets the number of elements contained in the instance. |