表达式解析\EXPCLASS.DCU ..........\EXPCLASS.PAS ..........\EXPCLASS.~PAS ..........\Project1.cfg ..........\Project1.dof ..........\Project1.dpr ..........\Project1.res ..........\Unit1.dfm ..........\Unit1.pas ..........\Unit1.~dfm ..........\Unit1.~pas 表达式解析