Gtk.Container.prototype.child_get_property

function child_get_property(child:Gtk.Widget, property_name:String, value:GObject.Value):void {
    // Gjs wrapper for gtk_container_child_get_property()
}

Gets the value of a child property for child and container.

child

a widget which is a child of container

property_name

the name of the property to get

value

a location to return the value