1、using System;using System Collections Generic;using SystemComponentModel;using System .Data;using SystemDrawing;using System .Text;using System Windows Forms;namespace Calculatorpublic partial class Counter : Formpublic Counter0InitializeComponent();doub1e num1, num2;double result=0;int op;int flag=

2、0;/開始標志int sp = 0;/判斷除數為零時移除監聽int max = 0;/范圍標識int eq=0;Sregion 功能鍵private void on_Click(object sender, EventArgs e) 丿卜始flag = 1；sp = 0;max = 0;thisnumlnput .Text = 0;thistxtlnput .Text =private void off_Click(object sender, EventArgs e) 關閉flag = 0;sp = 0;max = 0;thisnumlnput .Text =thistxtlnput .Te

3、xt =private void button9_Click(object sender, EventArgs e).,刪除if (flag = l&sp=O)string numstring = thisnumlnput.Text;if (numstring Length 0)string temp = numstringSubstring(0, numstring .Length 一 1): this numinput Text = temp ToString 0;elsethisnumlnput .Text = 0;private void clearedick(object sende

4、r, EventArgs e)/ c；nmax = 0;if (flag = 1)sp = 0;thisnumlnput .Text = 0;thistxtInput .Text =private void delete_Click(object sender, EventArgs e) . Jrimax = 0;if (flag = 1)sp = o；thisnuminput .Text = 0;SendregionSregion 運算符private void equal_Click(object sender, EventArgs e) T等：;eq = 1；if (flag = 1 &

5、 sp = 0)max = 0;num2 = Convert ToDouble(this numlnput Text); this txt Input Text 二 num2 ToStringO ;thistxtInput .Text +二二txtInput .Text = null:switch (op)case 1: result = numl 十 num2: break;case 2： result = numl - num2; break;case 3： result = numl * num2: break;case 4:result = numl / num2:break;case

6、 5：result = Math Pow(numl,num2);break;num2);case 6: result = Mod(numl,break;default: return;if (op=4&num2 = 0)this, numlnput. Text =除數不能為0;sp = 1；elsethis txt Input Te/t += result ToStringO; this .numlnput .Text = result .ToStringO;private void sub_Click(object sender, EventArgs e)/ 減法 max = 0;if (f

7、lag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);this txt Input Text += num 1 ToStringO ； numinput .Text = ”；thistxtInput .Text +=op = 2;private void mul_Click(object sender, EventArgs e)乘法max = 0;if (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);this txt Input Text += nx

8、im 1 ToStringO ;this .numlnput .Text =:thistxtInput .Text +=op = 3;private void divide_Click(object sender, EventArgs e) T除法max = 0;if (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);this txt Input Text += num 1 ToStringO ；this .numlnput .Text =:thistxtInput .Text +=*;op = 4;private v

9、oid plus_Click(object sender, EventArgs e)； AlHlij;max = 0;if (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);this txt Input Text += num 1 ToStringO ；numlnput .Text =”；thistxtInput .Text +=十op = 1；J public double Mod (double x, double y)/取模運算max = 0;int temp = ConvertToInt32(x / y);re

10、turn (x y * temp);private void power_Click(object sender, EventArgs e) 錦運算max = 0;if (flag = 1 & sp = 0)numl = Convert ToDouble(numinput Text);this txt Input Text += nxim 1 ToStringO ;this numinput Text =:this txt Input .Text +=op = 5;Jprivate void recip_Click(object sender, EventArgs e), 倒數max = 0;

11、if (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);double temp = 0;temp = 1 / numl:this txt Input .Text =1 + num 1 ToStringO +=;this nximlnput Text = temp ToStringO ；private void percent_Click(object sender, EventArgs e)max = 0;if (flag = 1 & sp = 0)double temp = ConvertToDouble(this.

12、numlnput.Text);/this txtInput Text += temp ToString0;/temp = temp / 100;/this numinput Text = temp ToStringO；/thistxtInput .Text +=numl = Convert ToDouble(this numlnput Text);this txt Input Text += num 1 ToStringO ；this .numlnput .Text =thistxtInput .Text 二 %op = 6;SendregionSregion 數字private void o

13、ne_Click(object sender, EventArgs e) 1 if (flag = 1 & sp = 0 & max = 0)if (thisnumlnput.Text = 0 )thisnumlnput .Text =;if (eq = 1)this numinput Text = 1; eq = 0;elsethisnumlnput .Text += 1;private void two_Click(object sender, EventArgs e) 2 if (flag = 1 & sp = 0 & max = 0)if (thisnumlnput.Text =0 )

14、thisnumlnput .Text =if (eq = 1)thisnumlnput .Text = 2; eq = 0;elsethisnuminput .Text += 2; /thistxtInput .Text += 2;private void three_Click(object sender, EventArgs e) 3if (flag = 1 & sp = 0 & max = 0)if (thisnuminput .Text = 0)thisnuminput .Text = ”;if (eq = 1)thisnumlnput .Text = 3;eq = 0;elsethi

15、snumInput .Text +=3;/thistxtInput .Text += 3;private void four_Click(object sender, EventArgs e) 1 if (flag = 1 & sp = 0 & max = 0)if (thisnuminput .Text = 0)thisnuminput .Text = ”；if (eq = 1)thisnumlnput .Text = 4;eq = 0;elsethisnuminput .Text 十=4;/ thistxtInput .Text -= 4;private void five_Click(o

16、bject sender, EventArgs e) 5 if (flag = 1 & sp = 0 & max = 0)if (thisnuminput .Text = 0)thisnumlnput .Text =”;if (eq = 1)thisnumlnput .Text = 5;eq = 0;elsethisnumlnput.Text = 5;/ thistxtInput .Text += 5;private void six_Click(object sender, EventArgs e). 6if (flag = 1 & sp = 0 & max = 0)if (thisnuml

17、nput.Text = 0”)thisnumlnput .Text =if (eq = 1)thisnumlnput .Text = 6;eq = 0;elsethisnuminput .Text += 6;this txt Input Te:rt += 6;private void seven_Click(object sender, EventArgs e)/. 7if (flag = 1 & sp = 0 & max = 0)if (thisnumlnput.Text = 0 )thisnumlnput .Text =if (eq = 1)thisnumlnput .Text = 7;e

18、q = 0;private void eightClick(object sender, EventArgs e) 8else thisnuminput .Text += 7;Uhistxtinput .Text -= 7;if (flag = 1 & sp = 0 & max = 0)if (thisnuminput .Text = 0)thisnuminput .Text =if (eq = 1)thisnuminput .Text = 8;eq = 0;elsethisnuminput .Text += 8;/thistxtInput .Text += S;private void ni

19、ght_Click(object sender, EventArgs e) . 9if (flag = 1 & sp = 0 & max = 0)if (thisnumlnput.Text = 0)thisnumlnput .Text = “;if (eq = 1)thisnuminput .Text = 9;eq = 0;elsethisnumInput .Text += 9;/thistxtInput .Text += 9;private void zero_Click(object sender, EventArgs e) 0if (flag = 1 & sp = 0 & max = 0

20、) if (thisnumlnput.Text = 0)thisnumlnput .Text =if (eq = 1)thisnumlnput .Text = 0;eq = 0;elsethisnuminput .Text += 0; thistxtInput .Text += 0;private void dian_Click(object sender, EventArgs e) /小數點 if (flag = 1 & sp = 0 & max = 0)if (eq = 1)this numlnput .Text =eq = 0;elsethis numinput .Text *=/thi

21、stxtInputText +二Sendregionregion三角函數private void sin_Click(object sender, EventArgs e)/ sinif (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text); double temp = Math. PI * (numl / 180);thistxtInput.Text += sin( + numl +numl = MathSin(temp);this numinput Text = num 1 ToStringO ;this txt In

22、put Text += num 1 ToStringO ;private void cos_Click(object sender, EventArgs e) cosif (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);double temp = Math. PI * (numl / 180);thistxtInput.Text += cos C + numl +numl = MathCos(temp);this.numlnput.Text = num 1 ToStringO ;private void tan_Cl

23、ick(object sender, EventArgs e)/ tanif (flag = 1 & sp = 0)numl = Convert ToDouble(this numlnput Text);double temp = Math. PI * (numl / 180);thistxtInput.Text += tan(* + numl + )二;numl = MathTan(temp);this nximlnput Text = num 1 ToStringO ；Sendregionregion 幫助private void JPiHiToolStripMenuItem_Click(

24、object sender, EventArgs e)MenuAbout about = new MeniaAbout ();about Show();private void change_Click(object sender, EventArgs e)max = 0;if (flag = l&sp = 0)numl = Convert ToDouble(this numlnput Text);private void 使用手冊ToolStripHenuIteni_Cl.ick(object sender, EventArgs e)numl = -numl;this nximlnput T

25、ext = num 1 ToStringO ;MenuUse use = new MenuUse();use. Show();Sendregionregion 皮膚private void KlToolStripMenuItem_Click(object sender, EventArgs e)skinEngine1SkinFile = ApplicationStartupPath + Calmnessssk;private void 2ToolStripMenuItem_Click(object sender, EventArgs e)skinEngine1SkinFile = ApplicationStartupPath + DeepCyanssk;private void Jti3ToolStripMenuItein_Click(object sender, EventArgs e)skinEngine1SkinFile = ApplicationStartupPath + Eighteenssk;private void /t;4ToolStripMenuItem_Click(object sender, EventArgs e)skinEngine1SkinFile = A