+void HYDROData_Profile::Invalidate()
+{
+ TDF_Label aFirstLabel = myLab.FindChild( DataTag_FirstPoint, false );
+ if ( !aFirstLabel.IsNull() )
+ aFirstLabel.ForgetAllAttributes();
+
+ TDF_Label aLastLabel = myLab.FindChild( DataTag_LastPoint, false );
+ if ( !aLastLabel.IsNull() )
+ aLastLabel.ForgetAllAttributes();
+
+ SetToUpdate( true );
+}
+