set_icon_name_async
Description:
[ Version ( since = "0.9.0" ) ]
public async bool set_icon_name_async (string icon_name) throws Error
  public async bool set_icon_name_async (string icon_name) throws Error
Requests an asynchronous set of the Icon property of this.
 When the operation is finished, callback will be called. You can then call set_icon_name_async.end to
      get the result of the operation.
Parameters:
| this | a Account | 
| icon_name | a new icon name, or  | 
| callback | a callback to call when the request is satisfied | 
| user_data | data to pass to  |