Question

C#:

Write a program that converts Farenheit

values to Centigrade. Include a text box for

input, a label for output and a picture of a

thermometer. Add additional controls as

necessary. Use your creativity to customize

your program with fonts, colors, anything else

you’d like

Answer 1

C# Application:

File: Form1.Designer.cs

namespace Fahrenheit_Centigrade
{
partial class Form1
{
/// <summary>
/// Required designer variable.
/// </summary>
private System.ComponentModel.IContainer components = null;

/// <summary>
/// Clean up any resources being used.
/// </summary>
/// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
}

#region Windows Form Designer generated code

/// <summary>
/// Required method for Designer support - do not modify
/// the contents of this method with the code editor.
/// </summary>
private void InitializeComponent()
{
System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(Form1));
this.btnClear = new System.Windows.Forms.Button();
this.btnQuit = new System.Windows.Forms.Button();
this.lblResult = new System.Windows.Forms.Label();
this.btnConvert = new System.Windows.Forms.Button();
this.txtFahrenheit = new System.Windows.Forms.TextBox();
this.Label1 = new System.Windows.Forms.Label();
this.pictureBox1 = new System.Windows.Forms.PictureBox();
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).BeginInit();
this.SuspendLayout();
//
// btnClear
//
this.btnClear.Font = new System.Drawing.Font("Segoe Print", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnClear.Location = new System.Drawing.Point(221, 239);
this.btnClear.Name = "btnClear";
this.btnClear.Size = new System.Drawing.Size(136, 36);
this.btnClear.TabIndex = 18;
this.btnClear.Text = "Clear";
this.btnClear.UseVisualStyleBackColor = true;
this.btnClear.Click += new System.EventHandler(this.btnClear_Click);
//
// btnQuit
//
this.btnQuit.Font = new System.Drawing.Font("Segoe Print", 12F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnQuit.Location = new System.Drawing.Point(52, 239);
this.btnQuit.Name = "btnQuit";
this.btnQuit.Size = new System.Drawing.Size(136, 36);
this.btnQuit.TabIndex = 17;
this.btnQuit.Text = "Quit";
this.btnQuit.UseVisualStyleBackColor = true;
this.btnQuit.Click += new System.EventHandler(this.btnQuit_Click);
//
// lblResult
//
this.lblResult.AutoSize = true;
this.lblResult.Font = new System.Drawing.Font("Lucida Handwriting", 14.25F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.lblResult.Location = new System.Drawing.Point(68, 172);
this.lblResult.Name = "lblResult";
this.lblResult.Size = new System.Drawing.Size(0, 24);
this.lblResult.TabIndex = 16;
//
// btnConvert
//
this.btnConvert.Font = new System.Drawing.Font("Segoe Print", 15.75F, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.btnConvert.Location = new System.Drawing.Point(149, 94);
this.btnConvert.Name = "btnConvert";
this.btnConvert.Size = new System.Drawing.Size(146, 45);
this.btnConvert.TabIndex = 15;
this.btnConvert.Text = "Convert";
this.btnConvert.UseVisualStyleBackColor = true;
this.btnConvert.Click += new System.EventHandler(this.btnConvert_Click);
//
// txtFahrenheit
//
this.txtFahrenheit.Font = new System.Drawing.Font("Lucida Console", 20.25F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.txtFahrenheit.Location = new System.Drawing.Point(287, 31);
this.txtFahrenheit.Name = "txtFahrenheit";
this.txtFahrenheit.Size = new System.Drawing.Size(100, 34);
this.txtFahrenheit.TabIndex = 14;
//
// Label1
//
this.Label1.AutoSize = true;
this.Label1.Font = new System.Drawing.Font("Monotype Corsiva", 15.75F, System.Drawing.FontStyle.Italic, System.Drawing.GraphicsUnit.Point, ((byte)(0)));
this.Label1.Location = new System.Drawing.Point(12, 34);
this.Label1.Name = "Label1";
this.Label1.Size = new System.Drawing.Size(258, 25);
this.Label1.TabIndex = 13;
this.Label1.Text = "Enter Temperature in Fahrenheit";
//
// pictureBox1
//
this.pictureBox1.Image = ((System.Drawing.Image)(resources.GetObject("pictureBox1.Image")));
this.pictureBox1.Location = new System.Drawing.Point(426, 23);
this.pictureBox1.Name = "pictureBox1";
this.pictureBox1.Size = new System.Drawing.Size(268, 255);
this.pictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage;
this.pictureBox1.TabIndex = 19;
this.pictureBox1.TabStop = false;
//
// Form1
//
this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
this.BackColor = System.Drawing.SystemColors.ActiveCaption;
this.ClientSize = new System.Drawing.Size(719, 314);
this.Controls.Add(this.pictureBox1);
this.Controls.Add(this.btnClear);
this.Controls.Add(this.btnQuit);
this.Controls.Add(this.lblResult);
this.Controls.Add(this.btnConvert);
this.Controls.Add(this.txtFahrenheit);
this.Controls.Add(this.Label1);
this.Name = "Form1";
this.Text = "Fahrenheit to Celsius";
((System.ComponentModel.ISupportInitialize)(this.pictureBox1)).EndInit();
this.ResumeLayout(false);
this.PerformLayout();

}

#endregion

internal System.Windows.Forms.Button btnClear;
internal System.Windows.Forms.Button btnQuit;
internal System.Windows.Forms.Label lblResult;
internal System.Windows.Forms.Button btnConvert;
internal System.Windows.Forms.TextBox txtFahrenheit;
internal System.Windows.Forms.Label Label1;
private System.Windows.Forms.PictureBox pictureBox1;
}
}

File: 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.Windows.Forms;

namespace Fahrenheit_Centigrade
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

private void btnConvert_Click(object sender, EventArgs e)
{
//Reading temperature from textbox
double tempF = Double.Parse(txtFahrenheit.Text);

//Converting to Centigrade
double tempC = ((5 / 9.0) * (tempF - 32.0));

//Writting results to label
lblResult.Text = "Celsius Temperature: " + tempC.ToString("0.00");
}

//Quit button
private void btnQuit_Click(object sender, EventArgs e)
{
Application.Exit();
}

//Clears the controls
private void btnClear_Click(object sender, EventArgs e)
{
txtFahrenheit.Text = "";
lblResult.Text = "";
}
}
}

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Sample Run: