C#编写的windows计算器-源代码

using System;

using System.Drawing;

using System.Windows;

using System.Windows.Forms;

using System.Collections;

using System.ComponentModel;

using System.Data;

namespace comput

{

/// <summary>

/// 这是一个计算器的简单实现。

/// </summary>

public class Form1 : System.Windows.Forms.Form

{

#region 控件声明

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>

/// 必需的设计器变量。

/// </summary>

private System.ComponentModel.Container components = null;

public Form1()

{

//

// Windows 窗体设计器支持所必需的

//

InitializeComponent();

//

// TODO: 在 InitializeComponent 调用后添加任何构造函数代码

//

}

/// <summary>

/// 清理所有正在使用的资源。

/// </summary>

protected override void Dispose( bool disposing )

{

if( disposing )

{

if (components != null)

{

components.Dispose();

}

}

base.Dispose( disposing );

}

#endregion

#region 各控件的属性的方法Windows Form Designer generated code

/// <summary>

/// 设计器支持所需的方法 - 不要使用代码编辑器修改

/// 此方法的内容。

/// </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 =

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