/// <summary>
/// method : txt_KeyPress
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="KeyPressEventArgs"/> instance containing the event data.</param>
private void txt_KeyPress(object sender, KeyPressEventArgs e)
{
// If they press the backspace let them.
if (e.KeyChar == '\b')
{
return;
}
CalcLine calcLine = null;
// 1st char in the line
if (txtValue.Text.Length == 0)
{
if (e.KeyChar == '+' || e.KeyChar == '-' || e.KeyChar == '\n')
{
}
else
{
e.Handled = true;
MessageBox.Show("You must enter a +, - or the Enter key as the first value", "Error");
}
}
else
{
// Not the first char
// Is it a terminating char
if (e.KeyChar == '+' || e.KeyChar == '-' || e.KeyChar == '*' || e.KeyChar == '/' || e.KeyChar == '#' || e.KeyChar == '=' || e.KeyChar == '\r')
{
changed = true;
calcLine = new CalcLine(txtValue.Text);
calculation.Add(calcLine);
// Is is a char that needs to go to the start of the line
if (e.KeyChar == '+' || e.KeyChar == '-' || e.KeyChar == '*' || e.KeyChar == '/')
{
txtValue.Text = e.KeyChar.ToString();
txtValue.Select(1, 1);
e.Handled = true;
return;
} // Is it a subtotal
if (e.KeyChar == '#')
{
calcLine = new CalcLine(Operator.subtotal);
calculation.Add(calcLine);
} // Is it a total
else if (e.KeyChar == '=')
{
calcLine = new CalcLine(Operator.total);
calculation.Add(calcLine);
}
txtValue.Text = "";
}
else if (!char.IsDigit(e.KeyChar))
{
e.Handled = true;
MessageBox.Show("You must enter a digit or #, +, -, *. /, or =", "Error");
}
}
}
static void Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("\nCALCULATOR\n" +
"===========\n\n" +
"[operand] [operation] [operand]");
}
else if (args.Length != 3)
{
Console.WriteLine("Oh-oh, something is missing, please write again your data\n\n" +
"[operand][operation][operand]");
}
if (args.Contains("+"))
{
Console.WriteLine();
Console.WriteLine(Calculation <decimal> .Add(args));
}
//else if (args.Contains("/"))
//{
// Console.WriteLine(Calculation<double>.Divide(args));
//}
//else if (args.Contains("*"))
//{
// Calculator<double>.Multiply(args);
//}
//else if (args.Contains("-"))
//{
// Console.WriteLine(Calculation<decimal>.Substract(args));
//}
}
static void Main()
{
int x = 10;
int y = 20;
int addRes = Calculation.Add(x, y);
int subRes = Calculation.Sub(x, y);
Console.WriteLine(addRes);
Console.WriteLine(subRes);
}
static void Main(string[] args)
{
int num01;
int num02;
Calculation obj = new Calculation();
//New Logic.
Console.WriteLine("Enter the First value to be divided");
num01 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the Secound value to divided by");
num02 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The Result is: " + obj.Divide(num01, num02));
Console.ReadLine();
// Logic For Addition.
Console.WriteLine("Enter the First value to be Added");
num01 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the Secound value to Added ");
num02 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The Result is: " + obj.Add(num01, num02));
Console.ReadLine();
// Losic For substraction.
Console.WriteLine("Enter the First value to be Subtacted");
num01 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the Secound value to Subtracted");
num02 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The Result is: " + obj.Subtract(num01, num02));
Console.ReadLine();
// Logic For multiplication.
Console.WriteLine("Enter the First value to be Multiplied");
num01 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the Secound value to Multiplied ");
num02 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("The Result is: " + obj.Multiply(num01, num02));
Console.ReadLine();
//OLd Logic.
//Console.WriteLine("Enter the First value to be divided");
//num01 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("enter the Secound value to divided by");
//num02 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("The Result is: " + (num01 / num02));
//Console.ReadLine();
//// Logic For Addition.
//Console.WriteLine("Enter the First value to be Added");
//num01 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("enter the Secound value to Added ");
//num02 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("The Result is: " + (num01 + num02));
//Console.ReadLine();
//// Losic For substraction.
//Console.WriteLine("Enter the First value to be Subtacted");
//num01 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("enter the Secound value to Subtracted");
//num02 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("The Result is: " + (num01 - num02));
////Console.ReadLine();
//// Logic For multiplication.
//Console.WriteLine("Enter the First value to be Multiplied");
//num01 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("enter the Secound value to Multiplied ");
//num02 = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine("The Result is: " + (num01 * num02));
//Console.ReadLine();
}
