表达式计算器1
publicpartialclassFormMain:Form{publicFormMain(){InitializeComponent();}//记录所要执行的运算privatestringoperation;//记录用户是否已经输入小数点privateboolisDot;//记录用户是否已经单击等号privateboolisEqual;//被操作数privatedoubledblacc;
publicpartialclassFormMain:Form{publicFormMain(){InitializeComponent();}//记录所要执行的运算privatestringoperation;//记录用户是否已经输入小数点privateboolisDot;//记录用户是否已经单击等号privateboolisEqual;//被操作数privatedoubledblacc;