Gtk.CustomFilter.new
Description: Reference for Gtk.CustomFilter.new

### Constructor

# Gtk CustomFilternew

#### Declaration [src]

    GtkCustomFilter*
    gtk_custom_filter_new (
      GtkCustomFilterFunc match_func,
      gpointer user_data,
      GDestroyNotify user_destroy
    )

#### Description [src]

Creates a new filter using the given `match_func` to filter items.

If `match_func` is `NULL`, the filter matches all items.

If the filter func changes its filtering behavior, `gtk_filter_changed()` needs to be called.

#### Parameters

`match_func` | `GtkCustomFilterFunc`
| Function to filter items.
| The argument can be `NULL`.
`user_data` | `gpointer`
| User data to pass to `match_func`.
| The argument can be `NULL`.
| The data is owned by the caller of the function.
`user_destroy` | `GDestroyNotify`
| Destroy notify for `user_data`.

#### Return value

Returns: | `GtkCustomFilter`
| A new `GtkCustomFilter`
| The caller of the function takes ownership of the data, and is responsible for freeing it.