internal QwcChange(ParameterTable table, int index) : base(table, index) { PcAttrB = (Int16)0; PcAttrW = (Int16)0; PcAttrL = (Int16)0; PcAttrR = (Int16)0; AreaAttrB = (Int16)0; AreaAttrW = (Int16)0; AreaAttrL = (Int16)0; AreaAttrR = (Int16)0; }