History menu: improvments and bugfixes

[modules/shaper.git] / src / ModelAPI / ModelAPI_Session.h

diff --git a/src/ModelAPI/ModelAPI_Session.h b/src/ModelAPI/ModelAPI_Session.h
index 933dfc58689bb237d1fee40fa04dcf19a3e88a9b..613122a35a7e01ae0dbb312770127cce08926d5d 100644 (file)
--- a/src/ModelAPI/ModelAPI_Session.h
+++ b/src/ModelAPI/ModelAPI_Session.h
@@ -46,7 +46,7 @@ class MODELAPI_EXPORT ModelAPI_Session
 
   //! Starts a new operation (opens a tansaction)
   //! \param theId of operation for history (optional)
-  virtual void startOperation(const std::string& theId) = 0;
+  virtual void startOperation(const std::string& theId = "") = 0;
   //! Finishes the previously started operation (closes the transaction)
   virtual void finishOperation() = 0;
   //! Aborts the operation