// = 버튼
private void EqualButton_Click(object sender, RoutedEventArgs e)
{
double newNumber = 0;
double result = double.Parse(resultLable.Content.ToString());
if (double.TryParse(resultLable.Content.ToString(), out newNumber))
{
switch (selectedOperator)
{
case SelectedOperator.Addition:
result = SimpleMath.Add(lastValue, newNumber);
state.Items.Add(resultexp.Content.ToString() + newNumber + "=" + result.ToString());
resultexp.Content = "";
break;
case SelectedOperator.Substraction:
result = SimpleMath.Sub(lastValue, newNumber);
state.Items.Add(resultexp.Content.ToString() + newNumber + "=" + result.ToString());
resultexp.Content = "";
break;
case SelectedOperator.Multipication:
result = SimpleMath.Mul(lastValue, newNumber);
state.Items.Add(resultexp.Content.ToString() + newNumber + "=" + result.ToString());
resultexp.Content = "";
break;
case SelectedOperator.Division:
result = SimpleMath.Div(lastValue, newNumber);
state.Items.Add(resultexp.Content.ToString() + newNumber + "=" + result.ToString());
resultexp.Content = "";
break;
}
resultLable.Content = result.ToString();
lastValue = 0;
tmp = 0;
Flag = 0;
Flag2 = 0;
}
}
// DEl Sqrt X^2 1/X
private void Expandfun_Click(object sender, RoutedEventArgs e)
{
if (sender == delButton)
{
if (resultLable.Content.ToString().Length != 1)
{
resultLable.Content = resultLable.Content.ToString().
Substring(0, resultLable.Content.ToString().Length - 1);
}
else
{
resultLable.Content = "0";
}
}
if (sender == sqrtButton)
{
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
lastValue = Math.Sqrt(lastValue);
resultLable.Content = lastValue.ToString();
}
}
if (sender == powButton)
{
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
lastValue = SimpleMath.pow(lastValue);
resultLable.Content = lastValue.ToString();
}
}
if (sender == revButton)
{
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
lastValue = SimpleMath.rev(lastValue);
resultLable.Content = lastValue.ToString();
}
}
}
}//이벤트 등록
//연산자 함수
private void OperationButton_Click(object sender, RoutedEventArgs e)
{
//lastValue = double.Parse(resultLable.Content.ToString());
//resultLable.Content = "0";
if (double.TryParse(resultLable.Content.ToString(), out lastValue))
{
resultLable.Content = "0";
}
if (sender == addButton)
{
if (Flag == 0)
{
selectedOperator = SelectedOperator.Addition;
resultexp.Content += lastValue + "+";
Flag++;
result = lastValue;
tmp += lastValue;
Flag2 = 1;
}
else
{
if (Flag2 == 1)
{
selectedOperator = SelectedOperator.Addition;
tmp = SimpleMath.Add(tmp, lastValue);
resultexp.Content += lastValue + "+";
}
else if (Flag2 == 2)
{
selectedOperator = SelectedOperator.Addition;
tmp = SimpleMath.Sub(tmp, lastValue);
resultexp.Content += lastValue + "+";
}
else if (Flag2 == 3)
{
selectedOperator = SelectedOperator.Addition;
tmp = SimpleMath.Mul(tmp, lastValue);
resultexp.Content += lastValue + "+";
}
else
{
selectedOperator = SelectedOperator.Addition;
tmp = SimpleMath.Div(tmp, lastValue);
resultexp.Content += lastValue + "+";
}
}
Flag2 = 1;
}
if (sender == subButton)
{
if (Flag == 0)
{
selectedOperator = SelectedOperator.Substraction;
resultexp.Content += lastValue + "-";
Flag++;
result = lastValue;
tmp += lastValue;
Flag2 = 2;
}
else
{
if (Flag2 == 1)
{
selectedOperator = SelectedOperator.Substraction;
tmp = SimpleMath.Add(tmp, lastValue);
resultexp.Content += lastValue + "-";
}
else if (Flag2 == 2)
{
selectedOperator = SelectedOperator.Substraction;
tmp = SimpleMath.Sub(tmp, lastValue);
resultexp.Content += lastValue + "-";
}
else if (Flag2 == 3)
{
selectedOperator = SelectedOperator.Substraction;
tmp = SimpleMath.Mul(tmp, lastValue);
resultexp.Content += lastValue + "-";
}
else
{
selectedOperator = SelectedOperator.Substraction;
tmp = SimpleMath.Div(tmp, lastValue);
resultexp.Content += lastValue + "-";
}
}
Flag2 = 2;
}
if (sender == mulButton)
{
if (Flag == 0)
{
selectedOperator = SelectedOperator.Multipication;
resultexp.Content += lastValue + "*";
Flag++;
result = lastValue;
tmp = lastValue;
Flag2 = 3;
}
else
{
if (Flag2 == 1)
{
selectedOperator = SelectedOperator.Multipication;
tmp = SimpleMath.Add(tmp, lastValue);
resultexp.Content += lastValue + "*";
}
else if (Flag2 == 2)
{
selectedOperator = SelectedOperator.Multipication;
tmp = SimpleMath.Sub(tmp, lastValue);
resultexp.Content += lastValue + "*";
}
else if (Flag2 == 3)
{
selectedOperator = SelectedOperator.Multipication;
tmp = SimpleMath.Mul(tmp, lastValue);
resultexp.Content += lastValue + "*";
}
else
{
selectedOperator = SelectedOperator.Multipication;
tmp = SimpleMath.Div(tmp, lastValue);
resultexp.Content += lastValue + "*";
}
}
Flag2 = 3;
}
if (sender == divButton)
{
if (Flag == 0)
{
selectedOperator = SelectedOperator.Division;
resultexp.Content += lastValue + "/";
Flag++;
result = lastValue;
tmp = lastValue;
Flag2 = 4;
}
else
{
if (Flag2 == 1)
{
selectedOperator = SelectedOperator.Division;
tmp = SimpleMath.Add(tmp, lastValue);
resultexp.Content += lastValue + "/";
}
else if (Flag2 == 2)
{
selectedOperator = SelectedOperator.Division;
tmp = SimpleMath.Sub(tmp, lastValue);
resultexp.Content += lastValue + "/";
}
else if (Flag2 == 3)
{
selectedOperator = SelectedOperator.Division;
tmp = SimpleMath.Mul(tmp, lastValue);
resultexp.Content += lastValue + "/";
}
else
{
selectedOperator = SelectedOperator.Division;
tmp = SimpleMath.Div(tmp, lastValue);
resultexp.Content += lastValue + "/";
}
}
Flag2 = 4;
}
}