case BLOCKITEM_INVALID_TYPE : ret = tr("A parameter of type AbstractBlockItem* is used with an incorrect instance type."); break;
case WIDTHS_NOT_EQUALS : ret = tr("Two interfaces are connected but don't have the same widths."); break;
case INVALID_VALUE : ret = tr("parameter value is not correct (e.g. not numeric, invalid other parameter name, ...)."); break;
case BLOCKITEM_INVALID_TYPE : ret = tr("A parameter of type AbstractBlockItem* is used with an incorrect instance type."); break;
case WIDTHS_NOT_EQUALS : ret = tr("Two interfaces are connected but don't have the same widths."); break;
case INVALID_VALUE : ret = tr("parameter value is not correct (e.g. not numeric, invalid other parameter name, ...)."); break;