[ Version ( deprecated = true , deprecated_since = "3.8" , since = "3.2" ) ]
public virtual async bool open (bool only_if_exists, Cancellable? cancellable) throws Error
Warning: open is deprecated since 3.8.
Opens the this, making it ready for queries and other operations.
Use e_book_client_connect and e_book_client_connect_finish or e_cal_client_connect and
e_cal_client_connect_finish instead.
The call is finished by open.end from the callback.
| this |
an Client |
| only_if_exists |
this parameter is not used anymore |
| cancellable |
a Cancellable; can be |
| callback |
callback to call when a result is ready |
| user_data |
user data for the |