Category >
WINFORMS
|| Published on :
Sunday, August 14, 2016 || Views:
10423
||
Calculator Winform DotNet using C Sharp
Introduction
Here Pawan Kumar will explain how to create a Calculator in Winform DotNet using C Sharp
Description
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Now I will explain How to Calculator in Winform DotNet using C Sharp
So follow the steps to learn Calculator in Winform DotNet using C Sharp
Below is the winform source codes
using System;
using System.Windows.Forms;
namespace calculator
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
double val1, val2, result;
int op, x,z,eq; //x is used for checking whether operator is clicked or not. // z is used for checking of multiple clicks of operator buttons.
private void btn1_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn1.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn1.Text;
}
}
private void btn2_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn2.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn2.Text;
}
}
private void btn3_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn3.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn3.Text;
}
}
private void btn4_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn4.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn4.Text;
}
}
private void btn5_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn5.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn5.Text;
}
}
private void btn6_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn6.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn6.Text;
}
}
private void btn7_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn7.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn7.Text;
}
}
private void btn8_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn8.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn8.Text;
}
}
private void btn9_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn9.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn9.Text;
}
}
private void btn0_Click(object sender, EventArgs e)
{
if (x > 0)
{
textBox1.Text = btn0.Text;
x = 0;
}
else
{
textBox1.Text = textBox1.Text + btn0.Text;
}
}
private void btnPlus_Click(object sender, EventArgs e)
{
if (z > 0)
{
val2 = double.Parse(textBox1.Text);
if (op == 1)
{ result = val1 + val2; }
else if (op == 2)
{ result = val1 - val2; }
else if (op == 3)
{ result = val1 * val2; }
else if (op == 4)
{ result = val1 / val2; }
textBox1.Text = result.ToString();
}
val1 = double.Parse(textBox1.Text);
op = 1;
x = 1;
z = 1;
eq = 0;
}
private void btnMinus_Click(object sender, EventArgs e)
{
if (z > 0)
{
val2 = double.Parse(textBox1.Text);
if (op == 1)
{ result = val1 + val2; }
else if (op == 2)
{ result = val1 - val2; }
else if (op == 3)
{ result = val1 * val2; }
else if (op == 4)
{ result = val1 / val2; }
textBox1.Text = result.ToString();
}
val1 = double.Parse(textBox1.Text);
op = 2;
x = 1;
z = 1;
eq = 0;
}
private void btnMultiply_Click(object sender, EventArgs e)
{
if (z > 0)
{
val2 = double.Parse(textBox1.Text);
if (op == 1)
{ result = val1 + val2; }
else if (op == 2)
{ result = val1 - val2; }
else if (op == 3)
{ result = val1 * val2; }
else if (op == 4)
{ result = val1 / val2; }
textBox1.Text = result.ToString();
}
val1 = double.Parse(textBox1.Text);
op = 3;
x = 1;
z = 1;
eq = 0;
}
private void btnDivision_Click(object sender, EventArgs e)
{
if (z > 0)
{
val2 = double.Parse(textBox1.Text);
if (op == 1)
{ result = val1 + val2; }
else if (op == 2)
{ result = val1 - val2; }
else if (op == 3)
{ result = val1 * val2; }
else if (op == 4)
{ result = val1 / val2; }
textBox1.Text = result.ToString();
}
val1 = double.Parse(textBox1.Text);
op = 4;
x = 1;
z = 1;
eq = 0;
}
private void btnEqual_Click(object sender, EventArgs e)
{
if (eq > 0)
{
val1 = double.Parse(textBox1.Text);
}
else
{
eq = 1;
val2 = double.Parse(textBox1.Text);
}
if (op == 1)
{ result = val1 + val2; }
else if (op == 2)
{ result = val1 - val2; }
else if (op == 3)
{ result = val1 * val2; }
else if (op == 4)
{ result = val1 / val2; }
textBox1.Text = result.ToString();
x = 1;
z = 0;
}
private void btnBackspace_Click(object sender, EventArgs e)
{
if (textBox1.Text.Length > 0)
{
textBox1.Text = textBox1.Text.Remove(textBox1.Text.Length - 1);
if (textBox1.Text.Length > 0)
{
char[] a = textBox1.Text.ToCharArray();
if(a[a.Length-1]=='.')
{
textBox1.Text = textBox1.Text.Remove(textBox1.Text.Length - 1);
}
}
}
}
private void btnDot_Click(object sender, EventArgs e)
{
if (!textBox1.Text.Contains("."))
{
textBox1.Text = textBox1.Text + btnDot.Text;
}
}
}
}
Conclusion:
So, In this tutorial we have learned, Calculator in Winform DotNet using C Sharp