我正在制作一个使用Windows Forms Application的计算器,目前我很难过。 这是我的应用程序到目前为止,它只能添加,但任何数量的数量。C#中的计算器操作难倒
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace Calculator
{
public partial class Form1 : Form
{
int num;
int answer = 0;
int i;
public Form1()
{
InitializeComponent();
}
private void plusButton_Click(object sender, EventArgs e)
{
answer += System.Convert.ToInt32(textBox1.Text);
ClearTextbox();
}
private void minusButton_Click(object sender, EventArgs e)
{
//answer -= System.Convert.ToInt32(textBox1.Text);
//ClearTextbox();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void divideButton_Click(object sender, EventArgs e)
{
}
private void multiplyButton_Click(object sender, EventArgs e)
{
}
private void textBox1_TextChanged(object sender, EventArgs e)
{
}
private void button1_Click(object sender, EventArgs e)
{
num = 1;
displayInt(num);
}
private void button2_Click(object sender, EventArgs e)
{
num = 2;
displayInt(num);
}
private void button3_Click(object sender, EventArgs e)
{
num = 3;
displayInt(num);
}
private void button4_Click(object sender, EventArgs e)
{
num = 4;
displayInt(num);
}
private void button5_Click(object sender, EventArgs e)
{
num = 5;
displayInt(num);
}
private void button6_Click(object sender, EventArgs e)
{
num = 6;
displayInt(num);
}
private void button7_Click(object sender, EventArgs e)
{
num = 7;
displayInt(num);
}
private void button8_Click(object sender, EventArgs e)
{
num = 8;
displayInt(num);
}
private void button9_Click(object sender, EventArgs e)
{
num = 9;
displayInt(num);
}
private void button0_Click(object sender, EventArgs e)
{
num = 0;
displayInt(num);
}
private void resetButton_Click(object sender, EventArgs e)
{
ClearTextbox();
num = 0;
answer = 0;
}
public void displayInt(int num)
{
textBox1.Text = textBox1.Text + num.ToString();
}
public void ClearTextbox()
{
textBox1.Clear();
}
public void DisplayAnswer(int answer)
{
answer += System.Convert.ToInt32(textBox1.Text); //Answer = Answer + Textbox Stuff
textBox1.Clear();
textBox1.Text = answer.ToString();
}
private void equalsButton_Click(object sender, EventArgs e)
{
DisplayAnswer(answer);
num = 0;
answer = 0;
}
}
}
我不知道是否有办法等到另一个数字键被按下,然后做x + y。我听说过事件处理程序,但对我来说这是一个相当模糊的话题。
这里有一个画面:http://img196.imageshack.us/img196/4127/12464e13e5154a949a9a457.png
*我希望它能够做到操作更然后2号。
谢谢!
这是功课吗? – 2012-02-12 00:47:35
您所有的button_Click例程都是事件处理程序! – 2012-02-12 00:47:48
@ M.Babcock不要,这样做是为了好玩。 – Hexo 2012-02-12 00:49:18