// used to enable keys to interact with the program
private void Zaculator_KeyDown(object sender, KeyEventArgs e)
{
Button b = new Button();
switch (e.KeyCode)
{
case Keys.NumPad1:
{
b.Text = "1";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad2:
{
b.Text = "2";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad3:
{
b.Text = "3";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad4:
{
b.Text = "4";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad5:
{
b.Text = "5";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad6:
{
b.Text = "6";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad7:
{
b.Text = "7";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad8:
{
b.Text = "8";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad9:
{
b.Text = "9";
buttonNum_Click(b, null);
break;
}
case Keys.NumPad0:
{
b.Text = "0";
buttonNum_Click(b, null);
break;
}
case Keys.Decimal:
{
functions.AddDecimal();
display.Text = functions.entry;
break;
}
case Keys.Add:
{
b.Text = "+";
operatorClick(b, null);
break;
}
case Keys.Subtract:
{
b.Text = "-";
operatorClick(b, null);
break;
}
case Keys.Multiply:
{
b.Text = "*";
operatorClick(b, null);
break;
}
case Keys.Divide:
{
b.Text = "/";
operatorClick(b, null);
break;
}
case Keys.Back:
{
functions.Backspace();
display.Text = functions.entry;
break;
}
case Keys.Enter:
{
functions.Equals();
display.Text = functions.entry;
break;
}
}
}
// adds a decimal
private void buttonDecimal_Click(object sender, EventArgs e)
{
functions.AddDecimal();
display.Text = functions.Entry;
buttonEquals.Focus();
}