gtk-style-provider-style-property (provider path state pspec)

provider -- a gtk-style-provider object
path -- a gtk-widget-path instance to query
state -- a gtk-state-flags value to query the style property for
pspec -- a g-param-spec instance to query

Returns the value of the style property.

Looks up the value of a widget style property as defined by the provider for the widget represented by path.