Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateStack.qml
===================================================================
diff -u -r40ddf63592b60608ae34aeb3099fe4e62ae45054 -rcc7aae88f15228ff37b840946818692e444718bf
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateStack.qml	(.../PreTreatmentCreateStack.qml)	(revision 40ddf63592b60608ae34aeb3099fe4e62ae45054)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreateStack.qml	(.../PreTreatmentCreateStack.qml)	(revision cc7aae88f15228ff37b840946818692e444718bf)
@@ -32,6 +32,8 @@
 
     property int stackStepIndex : 0
 
+    function clear(vValue) { if ( ! vValue ) return;  _pretreatmentCreate.clear(vValue) }
+
     PreTreatmentCreate          { id:       _pretreatmentCreate }
 
     onVisibleChanged: {