query_contacts_async

Description:

[ Version ( since = "0.9.1" ) ]
public async void query_contacts_async (Query? query, Cancellable? cancellable, owned QueryProgressCallback? progress_callback)

Queries the service to return a list of contacts matching the given query.

this and query are all reffed when this function is called, so can safely be unreffed after this function returns.

For more details, see query_contacts, which is the synchronous version of this function, and query_async, which is the base asynchronous query function.

Parameters:

this	a ContactsService
query	a Query with the query parameters, or null
cancellable	optional Cancellable object, or null
progress_callback	a QueryProgressCallback to call when an entry is loaded, or null
callback	a TaskReadyCallback to call when the query is finished
destroy_progress_user_data	the function to call when `progress_callback` will not be called any more, or null. This function will be called with `progress_user_data` as a parameter and can be used to free any memory allocated for it.
progress_user_data	data to pass to the `progress_callback` function
user_data	data to pass to the `callback` function