## FontSourceBase class

This is an abstract base class for the classes that allow the user to specify various font sources

```go

type FontSourceBase struct  {
	ptr unsafe.Pointer
}

```
## Constructors

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

## Methods

| Method | Description |
| --- | --- |
|[IsNull](./isnull/) | Checks whether the implementation object is nullptr. | 
|[GetType](./gettype/) | Returns the type of the font source. |