[ CCode ( has_construct_function = false , type = "GcrCollection*" ) ]
public FilterCollection.with_callback (Collection underlying, owned FilterCollectionFunc? callback)
Create a new FilterCollection.
The callback should return true if an object should appear in the filtered collection.
If a null callback is set, then all underlynig objects will appear in the filtered collection.
| underlying |
the underlying collection |
| callback |
function to call for each object |
| destroy_func |
called for user_data when it is no longer needed |
| user_data |
data to pass to the callback |
|
a newly allocated filtered collection, which should be freed with unref |