[ Version ( since = "3.10" ) ]
public async bool get_contact_list (string query, Cancellable? cancellable) throws Error
Asynchronously obtains a set of Contact instances which satisfy the
criteria specified in query.
When the operation is finished, callback will be called. You can then call get_contact_list.end
to get the result of the operation.
| this |
an BookBackend |
| query |
a search query in S-expression format |
| cancellable |
optional Cancellable object, or null |
| callback |
a TaskReadyCallback to call when the request is satisfied |
| user_data |
data to pass to the callback function |