Creates a new stateful action.
@state is the initial state of the action. All future state values must have the same #GVariantType as the initial state.
If the @state GVariant is floating, it is consumed.
the name of the action
the type of the parameter to the activate function
the initial state of the action
Return: a new #GSimpleAction
ConstructionException GTK+ fails to create the object.
2.28
See Implementation
Creates a new stateful action.
@state is the initial state of the action. All future state values must have the same #GVariantType as the initial state.
If the @state GVariant is floating, it is consumed.