void CurveCreator_Curve::setDisplayer( CurveCreator_Displayer* theDisplayer )
{
myDisplayer = theDisplayer;
void CurveCreator_Curve::setDisplayer( CurveCreator_Displayer* theDisplayer )
{
myDisplayer = theDisplayer;
myDisplayer->erase( false );
myDisplayer->display( constructWire(), true );
myDisplayer->erase( false );
myDisplayer->display( constructWire(), true );