added window_class function for Ffi for locator :class
added window_class function for Ffi for locator :class

jarmo/RAutomation,jarmo/RAutomation,modulexcite/RAutomation,jarmo/RAutomation,jarmo/RAutomation,modulexcite/RAutomation,modulexcite/RAutomation,modulexcite/RAutomation