## DigitalSignatureCollection class

Provides a collection of digital signatures attached to a document.

```go

type DigitalSignatureCollection struct  {
	ptr unsafe.Pointer
}

```
## Constructors

| Method | Description |
| --- | --- |
|[NewDigitalSignatureCollection](./newdigitalsignaturecollection/) | The constructor of DigitalSignatureCollection. | 

## Methods

| Method | Description |
| --- | --- |
|[IsNull](./isnull/) | Checks whether the implementation object is nullptr. | 
|[Add](./add/) | Add one signature to DigitalSignatureCollection. | 
|[GetEnumerator](./getenumerator/) | Get the enumerator for DigitalSignatureCollection,this enumerator allows iteration over the collection |