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    Calcula Dora Basic A

    Uploaded by

    Aleix Collado Serrano
    This document contains code for a basic calculator application in C#. It includes code for a Form1 class that initializes the form and handles button clicks to perform arithmetic operations. It also includes a ComprovarCampo class that checks textbox input is within an ASCII range, likely to validate numeric input. The code allows the user to select an operation, enter two numbers, click calculate to perform the operation and display the result.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    Calcula Dora Basic A

    Uploaded by

    Aleix Collado Serrano
    30 views4 pages
    This document contains code for a basic calculator application in C#. It includes code for a Form1 class that initializes the form and handles button clicks to perform arithmetic operations. It also includes a ComprovarCampo class that checks textbox input is within an ASCII range, likely to validate numeric input. The code allows the user to select an operation, enter two numbers, click calculate to perform the operation and display the result.

    Original Description:

    Ejercicio

    Copyright

    © © All Rights Reserved

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    This document contains code for a basic calculator application in C#. It includes code for a Form1 class that initializes the form and handles button clicks to perform arithmetic operations. It also includes a ComprovarCampo class that checks textbox input is within an ASCII range, likely to validate numeric input. The code allows the user to select an operation, enter two numbers, click calculate to perform the operation and display the result.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    30 views4 pages

    Calcula Dora Basic A

    Uploaded by

    Aleix Collado Serrano
    This document contains code for a basic calculator application in C#. It includes code for a Form1 class that initializes the form and handles button clicks to perform arithmetic operations. It also includes a ComprovarCampo class that checks textbox input is within an ASCII range, likely to validate numeric input. The code allows the user to select an operation, enter two numbers, click calculate to perform the operation and display the result.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 4

    Aleix Collado Serrano

    FORM1.CS
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;

    namespace CalculadoraBasica
    {
    public partial class Form1 : Form

    {
    int operation = 0;
    public Form1()
    {
    InitializeComponent();
    }

    private void label1_Click(object sender, EventArgs e)


    {

    private void label3_Click(object sender, EventArgs e)


    {

    private void textBox3_TextChanged(object sender, EventArgs e)


    {

    private void Form1_Load(object sender, EventArgs e)


    {

    private void button4_Click(object sender, EventArgs e)


    {
    Loperation.Text = "X";
    operation = 1;
    }

    private void button2_Click(object sender, EventArgs e)


    {
    Loperation.Text = "/";
    operation = 2;
    }

    private void button3_Click(object sender, EventArgs e)


    {
    Aleix Collado Serrano

    Loperation.Text = "+";
    operation = 3;
    }

    private void button1_Click(object sender, EventArgs e)


    {
    Loperation.Text = "-";
    operation = 4;
    }
    private void button6_Click(object sender, EventArgs e)
    {
    Loperation.Text = "MOD";
    operation = 5;
    }
    private void button5_Click(object sender, EventArgs e)
    {
    switch (operation)

    case 1:
    tresultado.Text = Convert.ToString(int.Parse(tnombre1.Text) *
    int.Parse(tnombre2.Text));
    break;
    case 2:
    tresultado.Text = Convert.ToString(int.Parse(tnombre1.Text) /
    int.Parse(tnombre2.Text));
    break;
    case 3:
    tresultado.Text = Convert.ToString(int.Parse(tnombre1.Text) +
    int.Parse(tnombre2.Text));
    break;
    case 4:
    tresultado.Text = Convert.ToString(int.Parse(tnombre1.Text) -
    int.Parse(tnombre2.Text));
    break;
    case 5:
    tresultado.Text = Convert.ToString(int.Parse(tnombre1.Text) %
    int.Parse(tnombre2.Text));
    break;
    default:
    MessageBox.Show("Ha de seleccionar una operació abans.");
    break;

    private void tnombre1_TextChanged(object sender, EventArgs e)


    {

    ComprovarCampo.check((System.Windows.Forms.TextBox)sender, 48, 57);


    }

    private void tnombre2_TextChanged(object sender, EventArgs e)


    {
    Aleix Collado Serrano

    ComprovarCampo.check((System.Windows.Forms.TextBox)sender, 48, 57);

    }
    }

    ComprovarCampo.cs

    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    namespace CalculadoraBasica
    {
    class ComprovarCampo
    {

    public static Boolean check(TextBox textbx, int asciiminvalue, int


    asciimaxvalue)
    {
    Boolean res = false;
    TextBox textbox = textbx;
    int tmp = textbox.SelectionStart - 1;
    byte[] ascii = Encoding.ASCII.GetBytes(textbox.Text);
    for (int i = 0; i < ascii.Length; i++)
    {
    if (ascii[i] < asciiminvalue || ascii[i] > asciimaxvalue)
    {
    textbox.Text = textbox.Text.Remove(tmp, 1);
    textbox.SelectionStart = tmp;
    res = true;
    }

    }
    return res;
    }
    }
    }
    Aleix Collado Serrano

    Capturas de pantalla

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