CONVERSOR DE GRAUS EN J# AMB VISUAL STUDIO 2005

Construim el següent formulari

El codi del programa sería el següent en J#

package conversor_de_grados;

import System.Collections.Generic.*;

import System.Data.*;

import System.Drawing.*;

import System.ComponentModel.*;

import System.Windows.Forms.*;

/**

* Summary description for Form1.

*/

public class Form1 extends System.Windows.Forms.Form

{

//Declarem les variables:

double centi, faren, kelvin;

String Txtcenti, Txtfaren, Txtkelvin;

int referencia;

private RadioButton radioButton1;

private RadioButton radioButton2;

private RadioButton radioButton3;

private TextBox textBox1;

private TextBox textBox2;

private TextBox textBox3;

private Button button1;

private Button button2;

/**

* Required designer variable.

*/

private System.ComponentModel.IContainer components;

public Form1()

{

//

// Required for Windows Form Designer support

//

InitializeComponent();

//Inicialitzem els valors de les variables:

centi = 0;

faren = 0;

kelvin = 0;

Txtcenti = "0";

Txtfaren = "32";

Txtkelvin = "273";

textBox1.set_Text(Txtcenti);

textBox2.set_Text(Txtfaren);

textBox3.set_Text(Txtkelvin);

referencia = 0;

}

/* #region Windows Form Designer generated code

#endregion */

private void button2_Click(Object sender, System.EventArgs e)

{

if (referencia == 0)

{

textBox1.set_Text("Escoja una referencia");

}

else

{

switch (referencia)

{

case 1:

centi = Double.valueOf(textBox1.get_Text()).doubleValue();

faren = (centi * 9 / 5) + 32;

kelvin = centi + 273;

break;

case 2:

faren = Double.valueOf(textBox2.get_Text()).doubleValue();

centi = (faren - 32)*5 / 9;

kelvin = centi + 273;

break;

case 3:

kelvin = Double.valueOf(textBox3.get_Text()).doubleValue();

centi = kelvin - 273;

faren = (centi * 9 / 5) + 32;

break;

}

Txtcenti = String.valueOf(centi).toString();

Txtfaren = String.valueOf(faren).toString();

Txtkelvin = String.valueOf(kelvin).toString();

textBox1.set_Text(Txtcenti);

textBox2.set_Text(Txtfaren);

textBox3.set_Text(Txtkelvin);

}

}

private void radioButton1_CheckedChanged(Object sender, System.EventArgs e)

{

if (radioButton1.get_Checked() == true)

{

referencia = 1;

}

}

private void radioButton2_CheckedChanged(Object sender, System.EventArgs e)

{

if (radioButton2.get_Checked() == true)

{

referencia = 2;

}

}

private void radioButton3_CheckedChanged(Object sender, System.EventArgs e)

{

if (radioButton3.get_Checked() == true)

{

referencia = 3;

}

}

private void button1_Click(Object sender, System.EventArgs e)

{

centi = 0;

faren = 0;

kelvin = 0;

Txtcenti = "0";

Txtfaren = "32";

Txtkelvin = "273";

textBox1.set_Text(Txtcenti);

textBox2.set_Text(Txtfaren);

textBox3.set_Text(Txtkelvin);

referencia = 0;

}

}