PixbufAnimation.from_file
Description:
[ CCode ( has_construct_function = false ) ]
public PixbufAnimation.from_file (string filename) throws Error
  public PixbufAnimation.from_file (string filename) throws Error
Creates a new animation by loading it from a file.
The file format is detected automatically.
If the file's format does not support multi-frame images, then an animation with a single frame will be created.
Possible errors are in the `GDK_PIXBUF_ERROR` and `G_FILE_ERROR` domains.
Parameters:
| filename | 
           Name of file to load, in the GLib file name encoding  | 
      
Returns:
| 
           A newly-created animation  |