时间: 2021-07-31 作者:daque
using system;using system.drawing;using system.windows;using system.windows.forms;using system.collections;using system.componentmodel;using system.data;namespace comput{ /// <summary> /// 这是一个安置器的大概举行。 /// </summary> public class form1 : system.windows.forms.form { #region 控件表明 private system.windows.forms.textbox txtshow; private system.windows.forms.groupbox groupbox1; private system.windows.forms.button btn_rev; private system.windows.forms.button btn_dot; private system.windows.forms.button btn_add; private system.windows.forms.button btn_equ; private system.windows.forms.button btn_sign; private system.windows.forms.button btn_sub; private system.windows.forms.button btn_mul; private system.windows.forms.button btn_0; private system.windows.forms.button btn_3; private system.windows.forms.button btn_2; private system.windows.forms.button btn_1; private system.windows.forms.button btn_6; private system.windows.forms.button btn_5; private system.windows.forms.button btn_4; private system.windows.forms.button btn_sqrt; private system.windows.forms.button btn_div; private system.windows.forms.button btn_7; private system.windows.forms.button btn_8; private system.windows.forms.button btn_9; private system.windows.forms.mainmenu mainmenu1; private system.windows.forms.menuitem menuitem1; private system.windows.forms.button btn_sqr; private system.windows.forms.menuitem menuitem2; private system.windows.forms.menuitem menuitem3; private system.windows.forms.menuitem menuitem4; private system.windows.forms.menuitem menuitem5; private system.windows.forms.menuitem menuitem6; private system.windows.forms.button c; private system.windows.forms.button ce; private system.windows.forms.menuitem menuitem8; private system.windows.forms.menuitem menuitem9; private system.windows.forms.menuitem menuitem10; /// <summary> /// 必然的安置器变量。 /// </summary> private system.componentmodel.container components = null; public form1() { // // windows 窗体安置器辅助所必然的 // initializecomponent(); // // todo: 在 initializecomponent 调用后填补任何构造因变量代码 // } /// <summary> /// 整治十足正在应用的资源。 /// </summary> protected override void dispose( bool disposing ) { if( disposing ) { if (components != null) { components.dispose(); } } base.dispose( disposing ); } #endregion #region 各控件的属性的本事windows form designer generated code /// <summary> /// 安置器辅助所需的本事 - 不要应用代码编辑器篡改 /// 此本事的本质。 /// </summary> private void initializecomponent() { system.resources.resourcemanager resources = new system.resources.resourcemanager(typeof(form1)); this.txtshow = new system.windows.forms.textbox(); this.groupbox1 = new system.windows.forms.groupbox(); this.c = new system.windows.forms.button(); this.ce = new system.windows.forms.button(); this.btn_rev = new system.windows.forms.button(); this.btn_dot = new system.windows.forms.button(); this.btn_add = new system.windows.forms.button(); this.btn_equ = new system.windows.forms.button(); this.btn_sign = new system.windows.forms.button(); this.btn_sub = new system.windows.forms.button(); this.btn_mul = new system.windows.forms.button(); this.btn_0 = new system.windows.forms.button(); this.btn_3 = new system.windows.forms.button(); this.btn_2 = new system.windows.forms.button(); this.btn_1 = new system.windows.forms.button(); this.btn_6 = new system.windows.forms.button(); this.btn_5 = new system.windows.forms.button(); this.btn_4 = new system.windows.forms.button(); this.btn_sqrt = new system.windows.forms.button(); this.btn_div = new system.windows.forms.button(); this.btn_7 = new system.windows.forms.button(); this.btn_8 = new system.windows.forms.button(); this.btn_9 = new system.windows.forms.button(); this.btn_sqr = new system.windows.forms.button(); this.mainmenu1 = new system.windows.forms.mainmenu(); this.menuitem1 = new system.windows.forms.menuitem(); this.menuitem2 = new system.windows.forms.menuitem(); this.menuitem3 = new system.windows.forms.menuitem(); this.menuitem4 = new system.windows.forms.menuitem(); this.menuitem5 = new system.windows.forms.menuitem(); this.menuitem6 = new system.windows.forms.menuitem(); this.menuitem8 = new system.windows.forms.menuitem(); this.menuitem9 = new system.windows.forms.menuitem(); this.menuitem10 = new system.windows.forms.menuitem(); this.groupbox1.suspendlayout(); this.suspendlayout(); // // txtshow // this.txtshow.backcolor = system.drawing.color.fromargb(((system.byte)(192)), ((system.byte)(192)), ((system.byte)(255))); this.txtshow.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.regular, system.drawing.graphicsunit.point, ((system.byte)(134))); this.txtshow.forecolor = system.drawing.color.purple; this.txtshow.location = new system.drawing.point(25, 8); this.txtshow.name = "txtshow"; this.txtshow.size = new system.drawing.size(228, 23); this.txtshow.tabindex = 1; this.txtshow.text = "0."; this.txtshow.textalign = system.windows.forms.horizontalalignment.right; // // groupbox1 // this.groupbox1.controls.add(this.c); this.groupbox1.controls.add(this.ce); this.groupbox1.controls.add(this.btn_rev); this.groupbox1.controls.add(this.btn_dot); this.groupbox1.controls.add(this.btn_add); this.groupbox1.controls.add(this.btn_equ); this.groupbox1.controls.add(this.btn_sign); this.groupbox1.controls.add(this.btn_sub); this.groupbox1.controls.add(this.btn_mul); this.groupbox1.controls.add(this.btn_0); this.groupbox1.controls.add(this.btn_3); this.groupbox1.controls.add(this.btn_2); this.groupbox1.controls.add(this.btn_1); this.groupbox1.controls.add(this.btn_6); this.groupbox1.controls.add(this.btn_5); this.groupbox1.controls.add(this.btn_4); this.groupbox1.controls.add(this.btn_sqrt); this.groupbox1.controls.add(this.btn_div); this.groupbox1.controls.add(this.btn_7); this.groupbox1.controls.add(this.btn_8); this.groupbox1.controls.add(this.btn_9); this.groupbox1.controls.add(this.btn_sqr); this.groupbox1.location = new system.drawing.point(24, 40); this.groupbox1.name = "groupbox1"; this.groupbox1.size = new system.drawing.size(232, 184); this.groupbox1.tabindex = 21; this.groupbox1.tabstop = false; this.groupbox1.text = "安置机区"; // // c // this.c.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.c.forecolor = system.drawing.color.red; this.c.location = new system.drawing.point(178, 48); this.c.name = "c"; this.c.size = new system.drawing.size(36, 61); this.c.tabindex = 41; this.c.text = "c"; this.c.click += new system.eventhandler(this.btn_oper); // // ce // this.ce.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.ce.forecolor = system.drawing.color.red; this.ce.location = new system.drawing.point(138, 16); this.ce.name = "ce"; this.ce.size = new system.drawing.size(76, 29); this.ce.tabindex = 40; this.ce.text = "ce"; this.ce.click += new system.eventhandler(this.btn_oper); // // btn_rev // this.btn_rev.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_rev.forecolor = system.drawing.color.blue; this.btn_rev.location = new system.drawing.point(178, 112); this.btn_rev.name = "btn_rev"; this.btn_rev.size = new system.drawing.size(36, 29); this.btn_rev.tabindex = 39; this.btn_rev.text = "1/x"; this.btn_rev.click += new system.eventhandler(this.btn_oper); // // btn_dot // this.btn_dot.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_dot.location = new system.drawing.point(98, 144); this.btn_dot.name = "btn_dot"; this.btn_dot.size = new system.drawing.size(36, 29); this.btn_dot.tabindex = 38; this.btn_dot.tag = "0"; this.btn_dot.text = "."; this.btn_dot.click += new system.eventhandler(this.btn_oper); // // btn_add // this.btn_add.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_add.forecolor = system.drawing.color.red; this.btn_add.location = new system.drawing.point(138, 144); this.btn_add.name = "btn_add"; this.btn_add.size = new system.drawing.size(36, 29); this.btn_add.tabindex = 37; this.btn_add.text = "+"; this.btn_add.click += new system.eventhandler(this.btn_oper); // // btn_equ // this.btn_equ.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_equ.forecolor = system.drawing.color.red; this.btn_equ.location = new system.drawing.point(178, 144); this.btn_equ.name = "btn_equ"; this.btn_equ.size = new system.drawing.size(36, 29); this.btn_equ.tabindex = 36; this.btn_equ.text = "="; this.btn_equ.click += new system.eventhandler(this.btn_equ_click); // // btn_sign // this.btn_sign.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_sign.forecolor = system.drawing.color.blue; this.btn_sign.location = new system.drawing.point(58, 144); this.btn_sign.name = "btn_sign"; this.btn_sign.size = new system.drawing.size(36, 29); this.btn_sign.tabindex = 35; this.btn_sign.text = "+/-"; this.btn_sign.click += new system.eventhandler(this.btn_oper); // // btn_sub // this.btn_sub.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_sub.forecolor = system.drawing.color.red; this.btn_sub.location = new system.drawing.point(138, 112); this.btn_sub.name = "btn_sub"; this.btn_sub.size = new system.drawing.size(36, 29); this.btn_sub.tabindex = 34; this.btn_sub.text = "-"; this.btn_sub.click += new system.eventhandler(this.btn_oper); // // btn_mul // this.btn_mul.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_mul.forecolor = system.drawing.color.red; this.btn_mul.location = new system.drawing.point(138, 80); this.btn_mul.name = "btn_mul"; this.btn_mul.size = new system.drawing.size(36, 29); this.btn_mul.tabindex = 33; this.btn_mul.text = "*"; this.btn_mul.click += new system.eventhandler(this.btn_oper); // // btn_0 // this.btn_0.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_0.forecolor = system.drawing.color.blue; this.btn_0.location = new system.drawing.point(18, 144); this.btn_0.name = "btn_0"; this.btn_0.size = new system.drawing.size(36, 29); this.btn_0.tabindex = 32; this.btn_0.tag = "0"; this.btn_0.text = "0"; this.btn_0.click += new system.eventhandler(this.btn_0_click); // // btn_3 // this.btn_3.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_3.forecolor = system.drawing.color.blue; this.btn_3.location = new system.drawing.point(98, 112); this.btn_3.name = "btn_3"; this.btn_3.size = new system.drawing.size(36, 29); this.btn_3.tabindex = 31; this.btn_3.tag = "3"; this.btn_3.text = "3"; this.btn_3.click += new system.eventhandler(this.btn_0_click); // // btn_2 // this.btn_2.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_2.forecolor = system.drawing.color.blue; this.btn_2.location = new system.drawing.point(58, 112); this.btn_2.name = "btn_2"; this.btn_2.size = new system.drawing.size(36, 29); this.btn_2.tabindex = 30; this.btn_2.tag = "2"; this.btn_2.text = "2"; this.btn_2.click += new system.eventhandler(this.btn_0_click); // // btn_1 // this.btn_1.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_1.forecolor = system.drawing.color.blue; this.btn_1.location = new system.drawing.point(18, 112); this.btn_1.name = "btn_1"; this.btn_1.size = new system.drawing.size(36, 29); this.btn_1.tabindex = 29; this.btn_1.tag = "1"; this.btn_1.text = "1"; this.btn_1.click += new system.eventhandler(this.btn_0_click); // // btn_6 // this.btn_6.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_6.forecolor = system.drawing.color.blue; this.btn_6.location = new system.drawing.point(98, 80); this.btn_6.name = "btn_6"; this.btn_6.size = new system.drawing.size(36, 29); this.btn_6.tabindex = 28; this.btn_6.tag = "6"; this.btn_6.text = "6"; this.btn_6.click += new system.eventhandler(this.btn_0_click); // // btn_5 // this.btn_5.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_5.forecolor = system.drawing.color.blue; this.btn_5.location = new system.drawing.point(58, 80); this.btn_5.name = "btn_5"; this.btn_5.size = new system.drawing.size(36, 29); this.btn_5.tabindex = 27; this.btn_5.tag = "5"; this.btn_5.text = "5"; this.btn_5.click += new system.eventhandler(this.btn_0_click); // // btn_4 // this.btn_4.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_4.forecolor = system.drawing.color.blue; this.btn_4.location = new system.drawing.point(18, 80); this.btn_4.name = "btn_4"; this.btn_4.size = new system.drawing.size(36, 29); this.btn_4.tabindex = 26; this.btn_4.tag = "4"; this.btn_4.text = "4"; this.btn_4.click += new system.eventhandler(this.btn_0_click); // // btn_sqrt // this.btn_sqrt.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_sqrt.forecolor = system.drawing.color.blue; this.btn_sqrt.location = new system.drawing.point(18, 16); this.btn_sqrt.name = "btn_sqrt"; this.btn_sqrt.size = new system.drawing.size(76, 29); this.btn_sqrt.tabindex = 25; this.btn_sqrt.text = "sqrt"; this.btn_sqrt.click += new system.eventhandler(this.btn_oper); // // btn_div // this.btn_div.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_div.forecolor = system.drawing.color.red; this.btn_div.location = new system.drawing.point(138, 48); this.btn_div.name = "btn_div"; this.btn_div.size = new system.drawing.size(36, 29); this.btn_div.tabindex = 24; this.btn_div.text = "/"; this.btn_div.click += new system.eventhandler(this.btn_oper); // // btn_7 // this.btn_7.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_7.forecolor = system.drawing.color.blue; this.btn_7.location = new system.drawing.point(18, 48); this.btn_7.name = "btn_7"; this.btn_7.size = new system.drawing.size(36, 29); this.btn_7.tabindex = 23; this.btn_7.tag = "7"; this.btn_7.text = "7"; this.btn_7.click += new system.eventhandler(this.btn_0_click); // // btn_8 // this.btn_8.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_8.forecolor = system.drawing.color.blue; this.btn_8.location = new system.drawing.point(58, 48); this.btn_8.name = "btn_8"; this.btn_8.size = new system.drawing.size(36, 29); this.btn_8.tabindex = 22; this.btn_8.tag = "8"; this.btn_8.text = "8"; this.btn_8.click += new system.eventhandler(this.btn_0_click); // // btn_9 // this.btn_9.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_9.forecolor = system.drawing.color.blue; this.btn_9.location = new system.drawing.point(98, 48); this.btn_9.name = "btn_9"; this.btn_9.size = new system.drawing.size(36, 29); this.btn_9.tabindex = 21; this.btn_9.tag = "9"; this.btn_9.text = "9"; this.btn_9.click += new system.eventhandler(this.btn_0_click); // // btn_sqr // this.btn_sqr.font = new system.drawing.font("宋体", 10.5f, system.drawing.fontstyle.bold, system.drawing.graphicsunit.point, ((system.byte)(134))); this.btn_sqr.forecolor = system.drawing.color.blue; this.btn_sqr.location = new system.drawing.point(98, 16); this.btn_sqr.name = "btn_sqr"; this.btn_sqr.size = new system.drawing.size(36, 29); this.btn_sqr.tabindex = 19; this.btn_sqr.text = "sqr"; this.btn_sqr.click += new system.eventhandler(this.btn_oper); // // mainmenu1 // this.mainmenu1.menuitems.addrange(new system.windows.forms.menuitem[] { this.menuitem8, this.menuitem1, this.menuitem4}); // // menuitem1 // this.menuitem1.index = 1; this.menuitem1.menuitems.addrange(new system.windows.forms.menuitem[] { this.menuitem2, this.menuitem3}); this.menuitem1.text = "编辑(&e)"; // // menuitem2 // this.menuitem2.index = 0; this.menuitem2.text = "复制(&c)"; this.menuitem2.click += new system.eventhandler(this.menuitem2_click); // // menuitem3 // this.menuitem3.index = 1; this.menuitem3.text = "粘贴(&p)"; this.menuitem3.click += new system.eventhandler(this.menuitem3_click); // // menuitem4 // this.menuitem4.index = 2; this.menuitem4.menuitems.addrange(new system.windows.forms.menuitem[] { this.menuitem5, this.menuitem6}); this.menuitem4.text = "辅助(&h)"; // // menuitem5 // this.menuitem5.index = 0; this.menuitem5.text = "辅助重心(&h)"; this.menuitem5.click += new system.eventhandler(this.menuitem5_click); // // menuitem6 // this.menuitem6.index = 1; this.menuitem6.text = "对于(&a)"; this.menuitem6.click += new system.eventhandler(this.menuitem6_click); // // menuitem8 // this.menuitem8.index = 0; this.menuitem8.menuitems.addrange(new system.windows.forms.menuitem[] { this.menuitem9, this.menuitem10}); this.menuitem8.text = "文件(&f)"; // // menuitem9 // this.menuitem9.index = 0; this.menuitem9.text = "翻开windows安置器(&o)"; this.menuitem9.click += new system.eventhandler(this.menuitem9_click); // // menuitem10 // this.menuitem10.index = 1; this.menuitem10.text = "退出(&q)"; this.menuitem10.click += new system.eventhandler(this.menuitem10_click); // // form1 // this.autoscalebasesize = new system.drawing.size(6, 14); this.clientsize = new system.drawing.size(278, 239); this.controls.add(this.groupbox1); this.controls.add(this.txtshow); this.formborderstyle = system.windows.forms.formborderstyle.fixed3d; this.icon = ((system.drawing.icon)(resources.getobject("$this.icon"))); this.maximizebox = false; this.menu = this.mainmenu1; this.name = "form1"; this.startposition = system.windows.forms.formstartposition.centerscreen; this.text = "安置器"; this.groupbox1.resumelayout(false); this.resumelayout(false); } #endregion #region 各变量和常数的表明 public const int null = 0; // 树立安排码 public const int add = 1; //表露加 public const int sub = 2; //减 public const int mul = 3; //乘 public const int div = 4; //除 public const int sqr = 5; //求平方 public const int sqrt = 6; //求平方根 public const int nodot = 0; // 树立是否点击了小批点,0 为没点 public const int hasdot = 1; private double res = 0; // 记录截至数 private double tmp = 0; // 姑且输入的安排数 private int opt = null; // 记录安排码 private int dot = nodot; // 记录是否点击了小批点,0为没有点 private int num = 0; // 记录输入安排数的个数 private int dotnum = 0; // 记录小批点限制的个数 string stroper; //赢得安排符 #endregion /// <summary> /// 应用步伐的主入口点。 /// </summary> [stathread] static void main() { application.run(new form1()); } /// <summary> #region 赢得安排数事故 //赢得安排数事故 private void btn_0_click(object sender, system.eventargs e) { system.windows.forms.button btntmp; double i; btntmp = sender as system.windows.forms.button; if (btntmp != null) { if (dot == nodot) { // 没有点击小批点 i = double.parse(btntmp.tag.tostring()); //取用户自树立的控件联系数,并变幻成double型 tmp = tmp * 10 + i; txtshow.text = tmp.tostring(); //将其放入文本表白屏啊 } else // 点击了小批点 { dotnum++; //记录小批点限制的个数 // 天才小批限制的新的数值 i = double.parse(btntmp.tag.tostring()) / system.math.pow(10,dotnum); tmp = tmp + i; //将小批点后的值加到姑且操做数 txtshow.text = tmp.tostring(); } } } #endregion #region 即是事故和即是验算本事 //即是事故 private void btn_equ_click(object sender, system.eventargs e) { calc(); } //即是验算本事 private void calc() { // 天才截至 if (num == 0 ) //是否有安排数,没有就返来0 { res = 0; tmp = 0; txtshow.text = res.tostring(); return; } switch (opt) //找到对应的验算符进行安置 { // 减法 case add: res = res + tmp; break; // 减法 case sub: res = res - tmp; break; // 乘法 case mul: res = res * tmp; break; // 除法 case div: res = res / tmp; break; // 平方 case sqr: res = tmp * tmp; break; // 平方根 case sqrt: res = system.math.sqrt(tmp); break; default: return; } txtshow.text = res.tostring(); //截至输出到文本表白屏 opt = null; //验算符清空 tmp=0; dot = nodot; //res = 0; //num = 0; } #endregion #region 赢得安排符运事故 //赢得安排符运事故 private void btn_oper(object obj,eventargs ea) { button tmp1=(button)obj; stroper=tmp1.text; switch (stroper) { case "/": //除法验算 if(opt!=null&&opt!=div) { calc(); } opt = div; if (num != 0) //决定安排数的个数,纵然两个就做二元验算 { if (tmp != 0) res = res / tmp; } else res = tmp; num++; tmp = 0; txtshow.text = res.tostring(); dot = nodot; break; case "*": // 乘法验算 if(opt!=null&&opt!=mul) { calc(); } opt = mul; if (num!= 0 ) //决定安排数的个数,纵然两个就做二元验算 { if(tmp!=0) res = res * tmp; } else res = tmp; num++; tmp = 0; txtshow.text = res.tostring(); dot = nodot; break; case "+": //减法验算 if(opt!=null&&opt!=add) { calc(); } opt = add; if (num != 0) //决定安排数的个数,纵然两个就做二元验算 res = res + tmp; else res = tmp; num++; tmp = 0; txtshow.text = res.tostring(); dot = nodot; break; case "-": //减法验算 if(opt!=null&&opt!=sub) { calc(); } /*if(opt==add) { res=res+tmp; tmp=0; }*/ opt = sub; if (num != 0) //决定安排数的个数,纵然两个就做二元验算 res = res - tmp; else res = tmp; num++; tmp = 0; txtshow.text = res.tostring(); dot = nodot; break; case "sqrt": //平方根验算 if(opt!=null) { calc(); } //opt=sqrt; if (tmp > 0) //要求安排数大于0 { res = math.sqrt(tmp); //res=tmp; } else if(res>0) res= math.sqrt(res); txtshow.text =res.tostring(); num++; tmp=0; dot = nodot; break; case "sqr": // 平方验算 if(opt!=null) { calc(); } //opt=sqr; if (tmp != 0) { res = tmp * tmp; //res=tmp; } else res=res*res; txtshow.text = res.tostring(); num++; tmp=0; dot = nodot; break; case "1/x": //倒数验算 if(opt!=null) { calc(); } if (tmp != 0) { res = 1 / tmp; //res=tmp; } else res=1/res; txtshow.text = res.tostring(); tmp=0; dot = nodot; break; case ".": // 点击了小批点 if(dot==hasdot) return; else { dot = hasdot; dotnum = 0; } break; case "+/-": // 点击了标志验算 if(tmp!=0) { tmp = -tmp; txtshow.text = tmp.tostring(); } else { res=-res; //res=tmp; txtshow.text = res.tostring(); } dot = nodot; break; case "ce": //废黜验算 res = 0; // 记录截至数 tmp = 0; // 姑且输入的安排数 opt = null; // 记录安排码 dot = nodot; // 记录是否点击了小批点 num = 0; // 记录输入安排数的个数 dotnum = 0; // 记录小批点限制的个数 txtshow.text=""; break; case "c": //废黜验算 res = 0; // 记录截至数 tmp = 0; // 姑且输入的安排数 opt = null; // 记录安排码 dot = nodot; // 记录是否点击了小批点 num = 0; // 记录输入安排数的个数 dotnum = 0; // 记录小批点限制的个数 txtshow.text=""; break; } } #endregion #region 主菜单事故 //翻开对于重心---调用windows xp中计算器的辅助 private void menuitem5_click(object sender, system.eventargs e) { help.showhelp(this,"c:\\windows\\help\\calc.chm"); } //翻开于我们 private void menuitem6_click(object sender, system.eventargs e) { form2 fm=new form2(); fm.show(); } //复制 private void menuitem2_click(object sender, system.eventargs e) { if(txtshow.selectionlength>0) { txtshow.copy(); } } // //粘贴 private void menuitem3_click(object sender, system.eventargs e) { txtshow.paste(); } //调用windows xp中的安置器 private void menuitem9_click(object sender, system.eventargs e) { help.showhelp(this,"c:\\windows\\system32\\calc.exe"); } //退出 private void menuitem10_click(object sender, system.eventargs e) { application.exit(); } #endregion }}