get_gicon
Description:
Gets a Icon to be used as a base for rendered icon.
 Note that the icon can be null if it wasn't set earlier.
Parameters:
| this | 
Returns:
| An icon. The icon belongs to this and should not be unreffed. | 
Gets a Icon to be used as a base for rendered icon.
 Note that the icon can be null if it wasn't set earlier.
| this | 
| An icon. The icon belongs to this and should not be unreffed. |