int mxExpressionTray::CountSelected( void ) { CExpClass *active = expressions->GetActiveClass(); if ( !active ) return 0; int c = 0; for ( int i = 0; i < active->GetNumExpressions(); i++ ) { CExpression *exp = active->GetExpression( i ); if ( !exp ) continue; if ( exp->GetSelected() ) { c++; } } return c; }