private void btnOperator_Click(object sender, EventArgs e)
{
if (lblDisplay.Text is "Error")
{
return;
}
if (isAfterOperater)
{
return;
}
operate = ((Button)sender).Text;
if (!isfirstOperater)
{
if (lblDisplay.Text is "Error")
{
return;
}
string secondOperand = lblDisplay.Text;
string result = engine.calculate(operate, firstOperand, secondOperand);
if (result is "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
else
{
lblDisplay.Text = result;
}
}
private void btnOperator_Click(object sender, EventArgs e)
{
if (lblDisplay.Text is "Error")
{
return;
}
if (isAfterOperater)
{
operate = ((Button)sender).Text;
return;
}
if (have2)
{
if (lblDisplay.Text is "Error")
{
return;
}
secondOperand = lblDisplay.Text;
string result = ku.calculate(operate, firstOperand, secondOperand);
if (result is "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
else
{
lblDisplay.Text = result;
}
isAfterEqual = true;
have2 = false;
}
private void btnOperator_Click(object sender, EventArgs e)
{
if (lblDisplay.Text is "Error")
{
return;
}
if (isOperater)
{
string secondOperand = lblDisplay.Text;
string result = engine.calculate(operate, firstOperand, secondOperand);
lblDisplay.Text = result;
}
if (isAfterOperater)
{
return;
}
operate = ((Button)sender).Text;
switch (operate)
{
case "+":
case "-":
case "X":
case "÷":
firstOperand = lblDisplay.Text;
isAfterOperater = true;
break;
case "%":
// your code here
engine.calculate(operate, firstOperand, "0");
break;
case "1/x":
engine.calculate(operate, firstOperand, "0");
break;
case "√":
engine.calculate(operate, firstOperand, "0");
break;
}
//อัพละทำไมไม่ขึ้น
isAllowBack = false;
isOperater = true;
}
private void btnOperator_Click(object sender, EventArgs e)
{
if (lblDisplay.Text == "Error")
{
return;
}
if (isAfterOperater)
{
return;
}
if (firstOperand != null)
{
string secondOperand = lblDisplay.Text;
string result = engine.calculate(operate, firstOperand, secondOperand);
if (result == "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
else
{
lblDisplay.Text = result;
}
firstOperand = lblDisplay.Text;
}
operate = ((Button)sender).Text;
switch (operate)
{
case "+":
case "-":
case "X":
case "÷":
firstOperand = lblDisplay.Text;
isAfterOperater = true;
break;
case "%":
case "√":
break;
}
isAllowBack = false;
}
private void btnEqual_Click(object sender, EventArgs e)
{
if (lblDisplay.Text is "Error")
{
return;
}
string secondOperand = lblDisplay.Text;
string result = engine.calculate(operate, firstOperand, secondOperand); //
if (result is "E" || result.Length > 8) //ถ้าค่าเกิน8จะError
{
lblDisplay.Text = "Error";
}
private void btnOperator_Click(object sender, EventArgs e)
{
if (lblDisplay.Text is "Error")
{
return;
}
if (isAfterOperater)
{
return;
}
operateOfMod = operate;
operate = ((Button)sender).Text;
if (firstOperand != null)
{
secondOperand = lblDisplay.Text;
if (operate == "%")
{
isMod = true;
resultMod = engine.calculate(operate, firstOperand, lblDisplay.Text);
firstNum = firstOperand;
lblDisplay.Text = resultMod;
operate = operateOfMod;
}
else
{
string result = engine.calculate(operate, firstOperand, secondOperand);
if (result is "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
else
{
lblDisplay.Text = result;
firstOperand = result;
}
}
private void btnEqual_Click(object sender, EventArgs e)
{
if (lblDisplay.Text is "Error")
{
return;
}
string secondOperand = lblDisplay.Text;
string result = calculate.calculate(operate, firstOperand, secondOperand);
/* if (operate == "√")
* {
* result= (Math.Sqrt(Convert.ToDouble(secondOperand))).ToString();
*
* }*/
if (result is "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
private void btnOperator_Click(object sender, EventArgs e)
{
if (secondOperandClicked && isAfterOperater == false)
{
if (lblDisplay.Text is "Error")
{
return;
}
string secondOperand = lblDisplay.Text;
string result = cal.calculate(operate, firstOperand, secondOperand);
if (result is "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
else
{
lblDisplay.Text = result;
}
isAfterEqual = true;
secondOperandClicked = false;
}
private void btnOperator_Click(object sender, EventArgs e)
{
operate = ((Button)sender).Text;
if (firstOperand == "0" || firstOperand == null)
{
firstOperand = lblDisplay.Text;
result = firstOperand;
}
else
{
if (isAfterEqual)
{
firstOperand = lblDisplay.Text;
}
else
{
secondOperand = lblDisplay.Text;
}
result = ce.calculate(operate, firstOperand, secondOperand);
}
if (lblDisplay.Text is "Error")
{
return;
}
if (result == "E" || result.Length > 8)
{
lblDisplay.Text = "Error";
}
else
{
lblDisplay.Text = result;
}
switch (operate)
{
case "+":
case "-":
case "X":
case "÷":
firstOperand = lblDisplay.Text;
isAfterOperater = true;
tempOperate = operate;
break;
case "%":
pcFlag = true;
lblDisplay.Text = ce.calculate(operate, firstOperand, secondOperand);
break;
case "1/x":
case "√":
firstOperand = lblDisplay.Text;
result = ce.calculate(operate, firstOperand, "0");
lblDisplay.Text = result;
//secondOperand = result;
break;
}
hasDot = false;
isAllowBack = false;
}
private void btnOperator_Click(object sender, EventArgs e)
{
string secondOperand = "0";
operate = ((Button)sender).Text;
if (((Button)sender).Text != "%")
{
operated = operate;
}
if (lblDisplay.Text is "Error")
{
return;
}
if (isAfterOperater)
{
return;
}
if (twotime)
{
Console.WriteLine(firstOperand);
Console.WriteLine(secondOperand);
if (((Button)sender).Text == "%")
{
secondOperand = ((Convert.ToDouble(firstOperand) / 100) * Convert.ToDouble(lblDisplay.Text)).ToString();
lblDisplay.Text = secondOperand;
}
if (((Button)sender).Text == "+")
{
firstOperand = secondOperand;
}
Console.WriteLine(secondOperand);
Console.WriteLine(operated);
secondOperand = lblDisplay.Text;
string result = engine.calculate(operated, firstOperand, secondOperand);
firstOperand = result;
operate = ((Button)sender).Text;
lblDisplay.Text = result;
twotimeop = true;
secondOperand = "0";
return;
}
twotime = true;
twotimeop = true;
firstOperand = lblDisplay.Text;
switch (((Button)sender).Text)
{
case "+":
break;
case "-":
break;
case "x":
break;
case "÷":
isAfterOperater = true;
break;
case "%":
lblDisplay.Text = engine.calculate(operate, firstOperand, secondOperand);
Console.WriteLine(operate);
break;
}
isAllowBack = false;
Console.WriteLine((Button)sender);
}