get_state
Description:
Queries the current state of this.
If the action is not stateful then `NULL` will be returned. If the action is stateful then the type of the return value is the type given by [ method@Gio.Action.get_state_type].
The return value (if non-`NULL`) should be freed with [method@GLib.Variant.unref] when it is no longer required.
Parameters:
| this |
a [type@Gio.Action] |
Returns:
|
the current state of the action |