[ Version ( since = "0.6.5" ) ]
public Results get_categories_sync (Cancellable? cancellable, ProgressCallback progress_callback) throws Error
Get the categories available.
| this |
a valid Task instance |
| cancellable |
a Cancellable or null |
| progress_callback |
the function to run when the progress changes |
| progress_user_data |
data to pass to |
|
a Results object, or null for error |