Index: sources/gui/qml/components/Slider.qml
===================================================================
diff -u -r265ce7409a0ea99a4ae059f5ce7978c9cdb10631 -r5e03d3f26ea0c88562e430c4b8192dd745fa1011
--- sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 265ce7409a0ea99a4ae059f5ce7978c9cdb10631)
+++ sources/gui/qml/components/Slider.qml	(.../Slider.qml)	(revision 5e03d3f26ea0c88562e430c4b8192dd745fa1011)
@@ -36,6 +36,7 @@
 
     property alias  handler            : _handler
     property alias  handlerColor       : _handler.color
+    property alias  handlerVisible     : _handler.visible
 
     property alias  diameter           : _handler.diameter