ObjectGetPropertyFunc

typealias ObjectGetPropertyFunc = (object: Object, <Error class: unknown class>, value: Value, pspec: ParamSpec) -> Unit

The type of the @get_property function of #GObjectClass.

param object a #GObject
param propertyId the numeric id under which the property was registered with g_object_class_install_property().
param value a #GValue to return the property value in
param pspec the #GParamSpec describing the property