get_categories_async
Description:
[ CCode ( finish_name = "pk_client_generic_finish" ) ]
[ Version ( since = "0.5.2" ) ]
public async Results get_categories_async (Cancellable? cancellable, ProgressCallback progress_callback) throws Error
  [ Version ( since = "0.5.2" ) ]
public async Results get_categories_async (Cancellable? cancellable, ProgressCallback progress_callback) throws Error
Get a list of all categories supported.
Parameters:
| this | a valid Client instance | 
| cancellable | a Cancellable or  | 
| progress_callback | the function to run when the progress changes | 
| callback_ready | the function to run on completion | 
| progress_user_data | data to pass to  | 
| user_data | the data to pass to  |