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1、首先利用visual studio 里面的 button 和 textbox 模块建立上图模块。然后就是编写程序：该程序最重要的是要理解清楚计算器的运算逻辑。public partial class Form1 : Formstring a, b, q, ac;int c = 0, d = 0, n = 0, p = 0, m = 0;double temp1 = -1;int pos = 0;public Form1()InitializeComponent();private void textBox1_TextChanged( object sender, EventArgs e)pub
2、lic void addNum(int num)= + ();if (c 0)private void button4_Click( object sender, e)pos = 1;temp1 =Convert .ToDouble ;=temp1+ ;d+;c+;p = 0;private void button8_Click( object sender, e)pos = 2;temp1 = ;= temp1 +- ;EventArgsEventArgsc+; p = 0;privatevoidbutton12_Click(objectsender,EventArgs e)EventArg
3、s e)pos = 3;temp1 = ;= temp1 +c+; p = 0;privatevoidbutton16_Click(objectsender,EventArgs e)pos = 4;temp1 = ;/;= temp1 +c+; p = 0;privatevoidbutton13_Click(objectsender,double temp2 = (b);switch (pos)case 1:= (temp1 + temp2).ToString();break;case 2:= (temp1 - temp2).ToString();break;case 3:= (temp1 * temp2).ToString();break;case 4:= (temp1 / temp2).ToString();break;private void button17_Click( object sender,temp1 = 0;pos = 0;n = 0;c = 0;p = 0;/清？空？显？示o?器？