Method

GioActionget_parameter_type

Declaration

const GVariantType*
g_action_get_parameter_type (
  GAction* action
)

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

Returns: GVariantType
 

The parameter type.

 The data is owned by the instance.
 The return value can be NULL.