奇迹曼特学费多少:在C#里面写一个计算器的代码谁能告诉我一下。

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using System.Runtime.InteropServices;
using System.IO;

namespace 计算器
{
/// <summary>
/// Form1 的摘要说明。
/// </summary>
public class Form1 : System.Windows.Forms.Form
{
private System.Windows.Forms.TextBox textBox1;
private System.Windows.Forms.Label label1;
private System.Windows.Forms.Button button1;
private System.Windows.Forms.Button button2;
private System.Windows.Forms.Button button3;
private System.Windows.Forms.Button button4;
private System.Windows.Forms.Button button5;
private System.Windows.Forms.Button button6;
private System.Windows.Forms.Button button7;
private System.Windows.Forms.Button button8;
private System.Windows.Forms.Button button9;
private System.Windows.Forms.Button button11;
private System.Windows.Forms.Button button12;
private System.Windows.Forms.Button button13;
private System.Windows.Forms.Button button14;
private System.Windows.Forms.Button button15;
private System.Windows.Forms.Button button16;
private System.Windows.Forms.Button button17;
private System.Windows.Forms.Button button10;
private System.Windows.Forms.Button button18;
private System.Windows.Forms.Button button19;
private AxWMPLib.AxWindowsMediaPlayer axWindowsMediaPlayer1;
private System.Windows.Forms.PictureBox pictureBox1;
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 );
}

#region Windows 窗体设计器生成的代码
/// <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.textBox1 = new System.Windows.Forms.TextBox();
this.label1 = new System.Windows.Forms.Label();
this.button1 = new System.Windows.Forms.Button();
this.button2 = new System.Windows.Forms.Button();
this.button3 = new System.Windows.Forms.Button();
this.button4 = new System.Windows.Forms.Button();
this.button5 = new System.Windows.Forms.Button();
this.button6 = new System.Windows.Forms.Button();
this.button7 = new System.Windows.Forms.Button();
this.button8 = new System.Windows.Forms.Button();
this.button9 = new System.Windows.Forms.Button();
this.button11 = new System.Windows.Forms.Button();
this.button12 = new System.Windows.Forms.Button();
this.button13 = new System.Windows.Forms.Button();
this.button14 = new System.Windows.Forms.Button();
this.button15 = new System.Windows.Forms.Button();
this.button16 = new System.Windows.Forms.Button();
this.button17 = new System.Windows.Forms.Button();
this.button10 = new System.Windows.Forms.Button();
this.button18 = new System.Windows.Forms.Button();
this.button19 = new System.Windows.Forms.Button();
this.axWindowsMediaPlayer1 = new AxWMPLib.AxWindowsMediaPlayer();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
((System.ComponentModel.ISupportInitialize)(this.axWindowsMediaPlayer1)).BeginInit();
this.SuspendLayout();
//
// textBox1
//
this.textBox1.Location = new System.Drawing.Point(112, 32);
this.textBox1.Name = "textBox1";
this.textBox1.Size = new System.Drawing.Size(240, 29);
this.textBox1.TabIndex = 0;
this.textBox1.Text = "";
//
// label1
//
this.label1.Font = new System.Drawing.Font("楷体_GB2312", 15F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.label1.Location = new System.Drawing.Point(24, 40);
this.label1.Name = "label1";
this.label1.Size = new System.Drawing.Size(72, 40);
this.label1.TabIndex = 1;
this.label1.Text = "结果";
//
// button1
//
this.button1.Location = new System.Drawing.Point(24, 168);
this.button1.Name = "button1";
this.button1.Size = new System.Drawing.Size(40, 32);
this.button1.TabIndex = 3;
this.button1.Text = "1";
this.button1.Click += new System.EventHandler(this.button1_Click);
//
// button2
//
this.button2.Location = new System.Drawing.Point(88, 168);
this.button2.Name = "button2";
this.button2.Size = new System.Drawing.Size(40, 32);
this.button2.TabIndex = 4;
this.button2.Text = "2";
this.button2.Click += new System.EventHandler(this.button2_Click);
//
// button3
//
this.button3.Location = new System.Drawing.Point(152, 168);
this.button3.Name = "button3";
this.button3.Size = new System.Drawing.Size(40, 32);
this.button3.TabIndex = 5;
this.button3.Text = "3";
this.button3.Click += new System.EventHandler(this.button3_Click);
//
// button4
//
this.button4.Location = new System.Drawing.Point(24, 216);
this.button4.Name = "button4";
this.button4.Size = new System.Drawing.Size(40, 32);
this.button4.TabIndex = 6;
this.button4.Text = "4";
this.button4.Click += new System.EventHandler(this.button4_Click);
//
// button5
//
this.button5.Location = new System.Drawing.Point(88, 216);
this.button5.Name = "button5";
this.button5.Size = new System.Drawing.Size(40, 32);
this.button5.TabIndex = 7;
this.button5.Text = "5";
this.button5.Click += new System.EventHandler(this.button5_Click);
//
// button6
//
this.button6.Location = new System.Drawing.Point(152, 216);
this.button6.Name = "button6";
this.button6.Size = new System.Drawing.Size(40, 32);
this.button6.TabIndex = 8;
this.button6.Text = "6";
this.button6.Click += new System.EventHandler(this.button6_Click);
//
// button7
//
this.button7.Location = new System.Drawing.Point(24, 264);
this.button7.Name = "button7";
this.button7.Size = new System.Drawing.Size(40, 32);
this.button7.TabIndex = 9;
this.button7.Text = "7";
this.button7.Click += new System.EventHandler(this.button7_Click);
//
// button8
//
this.button8.Location = new System.Drawing.Point(88, 264);
this.button8.Name = "button8";
this.button8.Size = new System.Drawing.Size(40, 32);
this.button8.TabIndex = 10;
this.button8.Text = "8";
this.button8.Click += new System.EventHandler(this.button8_Click);
//
// button9
//
this.button9.Location = new System.Drawing.Point(152, 264);
this.button9.Name = "button9";
this.button9.Size = new System.Drawing.Size(40, 32);
this.button9.TabIndex = 11;
this.button9.Text = "9";
this.button9.Click += new System.EventHandler(this.button9_Click);
//
// button11
//
this.button11.Location = new System.Drawing.Point(152, 320);
this.button11.Name = "button11";
this.button11.Size = new System.Drawing.Size(40, 32);
this.button11.TabIndex = 13;
this.button11.Text = "=";
this.button11.Click += new System.EventHandler(this.button11_Click);
//
// button12
//
this.button12.Location = new System.Drawing.Point(152, 120);
this.button12.Name = "button12";
this.button12.Size = new System.Drawing.Size(40, 32);
this.button12.TabIndex = 14;
this.button12.Text = "/";
this.button12.Click += new System.EventHandler(this.button12_Click);
//
// button13
//
this.button13.Location = new System.Drawing.Point(208, 120);
this.button13.Name = "button13";
this.button13.Size = new System.Drawing.Size(40, 32);
this.button13.TabIndex = 15;
this.button13.Text = "*";
this.button13.Click += new System.EventHandler(this.button13_Click);
//
// button14
//
this.button14.Location = new System.Drawing.Point(208, 168);
this.button14.Name = "button14";
this.button14.Size = new System.Drawing.Size(40, 32);
this.button14.TabIndex = 16;
this.button14.Text = "-";
this.button14.Click += new System.EventHandler(this.button14_Click);
//
// button15
//
this.button15.Location = new System.Drawing.Point(208, 216);
this.button15.Name = "button15";
this.button15.Size = new System.Drawing.Size(40, 32);
this.button15.TabIndex = 17;
this.button15.Text = "+";
this.button15.Click += new System.EventHandler(this.button15_Click);
//
// button16
//
this.button16.Location = new System.Drawing.Point(24, 120);
this.button16.Name = "button16";
this.button16.Size = new System.Drawing.Size(104, 32);
this.button16.TabIndex = 18;
this.button16.Text = "播放音乐";
this.button16.Click += new System.EventHandler(this.button16_Click);
//
// button17
//
this.button17.Location = new System.Drawing.Point(208, 264);
this.button17.Name = "button17";
this.button17.Size = new System.Drawing.Size(40, 88);
this.button17.TabIndex = 19;
this.button17.Text = "C";
this.button17.Click += new System.EventHandler(this.button17_Click);
//
// button10
//
this.button10.Location = new System.Drawing.Point(24, 320);
this.button10.Name = "button10";
this.button10.Size = new System.Drawing.Size(56, 32);
this.button10.TabIndex = 20;
this.button10.Text = "0";
this.button10.Click += new System.EventHandler(this.button10_Click);
//
// button18
//
this.button18.Location = new System.Drawing.Point(304, 312);
this.button18.Name = "button18";
this.button18.Size = new System.Drawing.Size(80, 40);
this.button18.TabIndex = 21;
this.button18.Text = "关闭";
this.button18.Click += new System.EventHandler(this.button18_Click);
//
// button19
//
this.button19.Location = new System.Drawing.Point(88, 320);
this.button19.Name = "button19";
this.button19.Size = new System.Drawing.Size(40, 32);
this.button19.TabIndex = 24;
this.button19.Text = ".";
this.button19.Click += new System.EventHandler(this.button19_Click);
//
// axWindowsMediaPlayer1
//
this.axWindowsMediaPlayer1.Enabled = true;
this.axWindowsMediaPlayer1.Location = new System.Drawing.Point(272, 80);
this.axWindowsMediaPlayer1.Name = "axWindowsMediaPlayer1";
this.axWindowsMediaPlayer1.OcxState = ((System.Windows.Forms.AxHost.State)(resources.GetObject("axWindowsMediaPlayer1.OcxState")));
this.axWindowsMediaPlayer1.Size = new System.Drawing.Size(112, 168);
this.axWindowsMediaPlayer1.TabIndex = 25;
this.axWindowsMediaPlayer1.Enter += new System.EventHandler(this.axWindowsMediaPlayer1_Enter);
//
// pictureBox1
//
this.pictureBox1.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pictureBox1.BackgroundImage")));
this.pictureBox1.Location = new System.Drawing.Point(272, 184);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(112, 104);
this.pictureBox1.TabIndex = 28;
this.pictureBox1.TabStop = false;
//
// Form1
//
this.AutoScaleBaseSize = new System.Drawing.Size(10, 22);
this.BackColor = System.Drawing.SystemColors.Control;
this.ClientSize = new System.Drawing.Size(408, 398);
this.Controls.Add(this.pictureBox1);
this.Controls.Add(this.axWindowsMediaPlayer1);
this.Controls.Add(this.button19);
this.Controls.Add(this.button18);
this.Controls.Add(this.button10);
this.Controls.Add(this.button17);
this.Controls.Add(this.button16);
this.Controls.Add(this.button15);
this.Controls.Add(this.button14);
this.Controls.Add(this.button13);
this.Controls.Add(this.button12);
this.Controls.Add(this.button11);
this.Controls.Add(this.button9);
this.Controls.Add(this.button8);
this.Controls.Add(this.button7);
this.Controls.Add(this.button6);
this.Controls.Add(this.button5);
this.Controls.Add(this.button4);
this.Controls.Add(this.button3);
this.Controls.Add(this.button2);
this.Controls.Add(this.button1);
this.Controls.Add(this.label1);
this.Controls.Add(this.textBox1);
this.Font = new System.Drawing.Font("楷体_GB2312", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((System.Byte)(134)));
this.Name = "Form1";
this.Text = "计算器";
((System.ComponentModel.ISupportInitialize)(this.axWindowsMediaPlayer1)).EndInit();
this.ResumeLayout(false);

}
#endregion

/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.Run(new Form1());
}

private void button1_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button2_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button3_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button4_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button5_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button6_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button7_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button8_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button9_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button10_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}

private void button19_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text+=btn.Text;
}
private void button12_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text=textBox1.Text+" "+btn.Text+" ";

}

private void button13_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text=textBox1.Text+" "+btn.Text+" ";
}

private void button14_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text=textBox1.Text+" "+btn.Text+" ";
}

private void button15_Click(object sender, System.EventArgs e)
{
Button btn=(Button)sender;
textBox1.Text=textBox1.Text+" "+btn.Text+" ";
}
private void button16_Click(object sender, System.EventArgs e)
{
FileDialog ofDialog=new OpenFileDialog();
ofDialog.AddExtension=true;
ofDialog.CheckFileExists=true;
ofDialog.CheckPathExists=true;
ofDialog.Filter="VCD文件(*.dat)|*.dat|Audio文件(*.avi)|*.avi|WAV文件(*.wav)|*.wav|MP3文件(*.mp3)|*.mp3|所有文件(*.*)|*.*";
ofDialog.FilterIndex=4;
if(ofDialog.ShowDialog()==DialogResult.OK)
{
this.axWindowsMediaPlayer1.URL=ofDialog.FileName;
}
}

private void button17_Click(object sender, System.EventArgs e)
{
textBox1.Text="";
}

private void button18_Click(object sender, System.EventArgs e)
{
Application.Exit();
}
private void button11_Click(object sender,System.EventArgs e)
{
Single r=0;
string t=textBox1.Text;
int space = t.IndexOf(' ');
string S1=t.Substring(0,space);
char op=Convert.ToChar(t.Substring(space+1,1));
string S2=t.Substring(space+3);
Single arg1=Convert.ToSingle(S1);
Single arg2=Convert.ToSingle(S2);
switch(op)
{
case '+':
r=arg1+arg2;
break;
case '-':
r=arg1-arg2;
break;
case '*':
r=arg1*arg2;
break;
case '/':
if(arg2==0)
textBox1.Text="error!";
else
r=arg1/arg2;
break;
}
textBox1.Text=r.ToString();
}

private void axWindowsMediaPlayer1_Enter(object sender, System.EventArgs e)
{

}
}
}

刚学C#的时候做过一个计算器的～很简单，学编程的最好先不要看源码～自己做做试试看嘛～实在不行再参考一下～要源码的话，很多百度，狗狗一搜一大把～