protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
{
if (keyData == Keys.F5)
{
CompileBtn.PerformClick();
return(true);
}
if (keyData == Keys.F6)
{
ClearBtn.PerformClick();
return(true);
}
return(base.ProcessCmdKey(ref msg, keyData));
}
// Division After Checking Our Boolean State.
public void Divide(string displayValue)
{
float.TryParse(displayValue.Trim(), out currentValue);
// Using Try-Catch For DivideByZeroException
try{
if (changeOperand2 == false)
{
// Explicitly Throwing Error If Denominator Is Zero.
if (operand2 != 0)
{
LabelEqu.Text = operand1.ToString() + " / " + operand2.ToString() + " = ";
operand1 = currentValue / operand2;
}
else
{
throw new DivideByZeroException();
}
}
else
{
if (currentValue != 0)
{
operand2 = currentValue;
LabelEqu.Text = operand1.ToString() + " / " + operand2.ToString() + " = ";
operand1 = operand1 / currentValue;
changeOperand2 = false;
}
else
{
throw new DivideByZeroException();
}
}
}
catch (DivideByZeroException)
{
// Resetting Everything And Displaying Error.
ClearBtn.PerformClick();
LabelEqu.Text = "ERR";
// Adding It To Our History.
vh.addHistory = LabelEqu.Text;
}
}
// Zorgen dat het toetsenbord gebruikt kan worden
private void NumPadInput(object sender, KeyPressEventArgs e)
{
switch (e.KeyChar.ToString())
{
case "0":
ZeroBtn.PerformClick();
break;
case "1":
OneBtn.PerformClick();
break;
case "2":
TwoBtn.PerformClick();
break;
case "3":
ThreeBtn.PerformClick();
break;
case "4":
FourBtn.PerformClick();
break;
case "5":
FiveBtn.PerformClick();
break;
case "6":
SixBtn.PerformClick();
break;
case "7":
SevenBtn.PerformClick();
break;
case "8":
EightBtn.PerformClick();
break;
case "9":
NineBtn.PerformClick();
break;
case "*":
TimesBtn.PerformClick();
break;
case "/":
DivideBtn.PerformClick();
break;
case "-":
SubtractBtn.PerformClick();
break;
case "+":
Addbtn.PerformClick();
break;
case ",":
DecimalBtn.PerformClick();
break;
case ".":
DecimalBtn.PerformClick();
break;
case "c":
ClearBtn.PerformClick();
break;
// Twee keer op de "c" toets op het toetsenbord klikken voor een All Clear
case "c" + "c":
AllClearBtn.PerformClick();
break;
default:
break;
}
// De "Enter" toets op het toetsenbord de functie van de "=" toets toewijzen
if (e.KeyChar == (char)Keys.Enter)
{
EqualBtn.PerformClick();
}
}