Fix for bug IPAL9369 : 3.0.0 (debianex: INSTALL2): CRASH after link deletion of the...

diff --git a/src/SUPERVGUI/SUPERVGUI_CanvasLink.cxx b/src/SUPERVGUI/SUPERVGUI_CanvasLink.cxx
index 4855b18adae231260f802b0680c3b23c39977385..955d3b89698ce8f31daf577d3e557866e4610c7a 100644 (file)
--- a/src/SUPERVGUI/SUPERVGUI_CanvasLink.cxx
+++ b/src/SUPERVGUI/SUPERVGUI_CanvasLink.cxx
@@ -214,6 +214,10 @@ void SUPERVGUI_CanvasLink::setColor(const QColor& theColor)
 }
 
 void SUPERVGUI_CanvasLink::remove() {
+  // IPAL9369 : check the dataflow readiness to modify
+  if ( !myMain->ReadyToModify() ) // null dataflow or executing, ..
+    return;
+
   myMain->Editing(); // PAL6170: GUI->Engine: setting "Editing" flag 
 
   QString aValue;