- static const std::string LOWER_BOUND_PROPERTY_NAME; ///< Property, name "lower-bound", type FLOAT
- static const std::string UPPER_BOUND_PROPERTY_NAME; ///< Property, name "upper-bound", type FLOAT
- static const std::string VALUE_PROPERTY_NAME; ///< Property, name "value", type FLOAT
-
- static const std::string HIT_REGION_PROPERTY_NAME; ///< Property, name "hit-region", type VECTOR2
- static const std::string BACKING_REGION_PROPERTY_NAME; ///< Property, name "backing-region", type VECTOR2
- static const std::string HANDLE_REGION_PROPERTY_NAME; ///< Property, name "handle-region", type VECTOR2
-
- static const std::string BACKING_IMAGE_NAME_PROPERTY_NAME; ///< Property, name "backing-image-name", type std::string
- static const std::string HANDLE_IMAGE_NAME_PROPERTY_NAME; ///< Property, name "handle-image-name", type std::string
- static const std::string PROGRESS_IMAGE_NAME_PROPERTY_NAME; ///< Property, name "progress-image-name", type std::string
- static const std::string POPUP_IMAGE_NAME_PROPERTY_NAME; ///< Property, name "popup-image-name", type std::string
- static const std::string POPUP_ARROW_IMAGE_NAME_PROPERTY_NAME; ///< Property, name "popup-arrow-image-name", type std::string
-
- static const std::string BACKING_SCALE9_BORDER_PROPERTY_NAME; ///< Property, name "backing-scale9-border", type VECTOR4
- static const std::string PROGRESS_SCALE9_BORDER_PROPERTY_NAME; ///< Property, name "progress-scale9-border", type VECTOR4
- static const std::string POPUP_SCALE9_BORDER_PROPERTY_NAME; ///< Property, name "popup-scale9-border", type VECTOR4