Lists all tasks in the task list tasklist_id
, calling the cb
for each of them.
this |
an GDataSession |
tasklist_id |
id of a task list |
query |
an GDataQuery to limit returned tasks, or |
cb |
an GDataObjectCallback to call for each found task |
cancellable |
optional Cancellable object, or |
user_data |
user data passed to the |
whether succeeded |