Virtual Method
GioActionget_parameter_type
since: 2.28
Description
Queries the type of the parameter that must be given when activating
action.
When activating the action using g_action_activate(), the GVariant
given to that function must be of the type returned by this function.
In the case that this function returns NULL, you must not give any
GVariant, but NULL instead.
Available since: 2.28
Return value
Type: GVariantType
The parameter type.
| The returned data is owned by the instance. |
The return value can be NULL. |