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Simple Calculator W/O Classes

Posts 1–12 of 12 · Page 1 of 1

Description:
Small, Light weight application which allows you to "Add, Subtract, Multiply, Divide".

My Usage: I Really Don't Know, I have made Better ones.

Required Items:
Window Form (Only 1 Form.)
3 Labels
4 Text-boxes
4 Buttons
1 Windows Form

Code:

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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            Dev_Pump.Text = "Made By: Dev_Pump";
            Dev_Pump.ReadOnly = true;
        }
        private void Addition_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
                MessageBox.Show("You have not entered a number.");
            }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc Add Start
                Answer = num1 + num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "+";
                ActionL.Text = "Action Used: Addition";
            }
        }

        private void Multiply_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
                MessageBox.Show("You have not entered a number.");
            }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc MultiP Start
                Answer = num1 * num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "X";
                ActionL.Text = "Action Used: Multiplcation";
            }
        }

        private void Subtract_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
                MessageBox.Show("You have not entered a number.");
            }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc SubT Start
                Answer = num1 - num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "-";
                ActionL.Text = "Action Used: Subtraction";
            }
        }

        private void Divide_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
             MessageBox.Show("You have not entered a number.");
            }
                if (textBox1.Text.StartsWith ("0"))
                {
                    MessageBox.Show("WTF?.");
                }
                if (textBox2.Text.StartsWith("0"))
                {
                    MessageBox.Show("WTF?.");
                }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc SubT Start
                Answer = num1 / num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "/";
                ActionL.Text = "Action Used: Division";
            }
        }
        private void TBox1(object sender, EventArgs e)
        {
            textBox1.Text = " ";
        }

        private void TBox2(object sender, EventArgs e)
        {
            textBox2.Text = " ";
        }
    }
}

Virus Total Scan

I likes. Really good. Quick question: What is partial class? Is creating an object from it any different? And what's the point? Couldn't you just use a regular class? Just wondering. Please enlighten me

Originally Posted by kronus980

I can't really explain what a partial class is. I have not added any classes in the program, I will be releasing one with A Class or two.

The Following is what Microsoft Visual Studio 2010 automatically places in beginning of the program code.

Code:

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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

Oh okay. Thanks though. If you find out, post please.

The partial keyword is used when the definition of a class is split over multiple source files. So basically then when you compile it, it combines all the different pieces of the class.

you guys should really look to google such simple stuff, not even need to google.. just go on msdn.

Partial Class Definitions (C#)

i'm giving you the link because that will explain it to you better then i would (im not a great teacher)

edit:

Originally Posted by zeco

The partial keyword is used when the definition of a class is split over multiple source files. So basically then when you compile it, it combines all the different pieces of the class.

you forgot something important... on the same namespace... thats the point

Originally Posted by Brinuz

Well I had assumed that of course it would be the same namespace. . . Otherwise it wouldn't even be visible within scope, it just wouldn't make sense if it was a different namespace. . . .

Originally Posted by zeco

Well I had assumed that of course it would be the same namespace. . . Otherwise it wouldn't even be visible within scope, it just wouldn't make sense if it was a different namespace. . . .

but thats the whole point...

Originally Posted by Brinuz

but thats the whole point...

Sidenote: In your sig you spelled beginner incorrectly.

Originally Posted by zeco

Sidenote: In your sig you spelled beginner incorrectly.

i dont see how useful is that for this topic... but thanks anyway.

Originally Posted by Brinuz

i dont see how useful is that for this topic... but thanks anyway.

'Twasn't I'm just spammin' now.

you are completly off-topic. chat with pm

Posts 1–12 of 12 · Page 1 of 1

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Home › Forum › Programming › C# Programming › Simple Calculator W/O Classes

Simple Calculator W/O Classes

Posts 1–12 of 12 · Page 1 of 1

Simple Calculator W/O Classes

Description:
Small, Light weight application which allows you to "Add, Subtract, Multiply, Divide".

My Usage: I Really Don't Know, I have made Better ones.

Required Items:
Window Form (Only 1 Form.)
3 Labels
4 Text-boxes
4 Buttons
1 Windows Form

Code:

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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private void Form1_Load(object sender, EventArgs e)
        {
            Dev_Pump.Text = "Made By: Dev_Pump";
            Dev_Pump.ReadOnly = true;
        }
        private void Addition_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
                MessageBox.Show("You have not entered a number.");
            }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc Add Start
                Answer = num1 + num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "+";
                ActionL.Text = "Action Used: Addition";
            }
        }

        private void Multiply_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
                MessageBox.Show("You have not entered a number.");
            }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc MultiP Start
                Answer = num1 * num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "X";
                ActionL.Text = "Action Used: Multiplcation";
            }
        }

        private void Subtract_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
                MessageBox.Show("You have not entered a number.");
            }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc SubT Start
                Answer = num1 - num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "-";
                ActionL.Text = "Action Used: Subtraction";
            }
        }

        private void Divide_Click(object sender, EventArgs e)
        {
            if (textBox1.Text.Length == 0)
            {
             MessageBox.Show("You have not entered a number.");
            }
                if (textBox1.Text.StartsWith ("0"))
                {
                    MessageBox.Show("WTF?.");
                }
                if (textBox2.Text.StartsWith("0"))
                {
                    MessageBox.Show("WTF?.");
                }
            else
            {
                //Calc values, Var
                int num1;
                int num2;
                float Answer;
                num1 = int.Parse(textBox1.Text);
                num2 = int.Parse(textBox2.Text);
                //Calc SubT Start
                Answer = num1 / num2;
                textBox3.Text = Answer.ToString();
                SignL.Text = "/";
                ActionL.Text = "Action Used: Division";
            }
        }
        private void TBox1(object sender, EventArgs e)
        {
            textBox1.Text = " ";
        }

        private void TBox2(object sender, EventArgs e)
        {
            textBox2.Text = " ";
        }
    }
}

Virus Total Scan

Originally Posted by kronus980

Code:

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 WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

Oh okay. Thanks though. If you find out, post please.

The partial keyword is used when the definition of a class is split over multiple source files. So basically then when you compile it, it combines all the different pieces of the class.

Originally Posted by zeco

The partial keyword is used when the definition of a class is split over multiple source files. So basically then when you compile it, it combines all the different pieces of the class.

you forgot something important... on the same namespace... thats the point

Originally Posted by Brinuz

Well I had assumed that of course it would be the same namespace. . . Otherwise it wouldn't even be visible within scope, it just wouldn't make sense if it was a different namespace. . . .

Originally Posted by zeco

Well I had assumed that of course it would be the same namespace. . . Otherwise it wouldn't even be visible within scope, it just wouldn't make sense if it was a different namespace. . . .

but thats the whole point...

Originally Posted by Brinuz

but thats the whole point...

Sidenote: In your sig you spelled beginner incorrectly.

Originally Posted by zeco

Sidenote: In your sig you spelled beginner incorrectly.

i dont see how useful is that for this topic... but thanks anyway.

Originally Posted by Brinuz

i dont see how useful is that for this topic... but thanks anyway.

'Twasn't I'm just spammin' now.

you are completly off-topic. chat with pm

Posts 1–12 of 12 · Page 1 of 1

Post a Reply

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