[ Version ( since = "3.50" ) ]
public bool count_query (string? sexp, out uint out_n_total, Cancellable? cancellable = null) throws Error
Counts how many contacts satisfy the sexp.
| this |
an BookSqlite |
| sexp |
search expression; use null or an empty string to consider all stored contacts |
| out_n_total |
return location to store the count of the contacts |
| cancellable |
|
Whether succeeded. |