public void ResultTree(char op, string value)
{
int index = value.IndexOf(op, 0);
CalculateTree LeftSide = new CalculateTree(value.Substring(0, index));
CalculateTree RightSide = new CalculateTree(value.Substring(index + 1));
double leftVal = Convert.ToDouble(LeftSide.answer);
double rightVal = Convert.ToDouble(RightSide.answer);
switch (op)
{
case ('-'):
answer = (leftVal - rightVal).ToString();
break;
case ('+'):
answer = (leftVal + rightVal).ToString();
break;
case ('*'):
answer = (leftVal * rightVal).ToString();
break;
case ('/'):
answer = (leftVal / rightVal).ToString();
break;
default:
break;
}
}
private void EqualBtn_Click(object sender, EventArgs e)
{
clearNextEntry = true;
calcString += CalculationBox.Text;
CalculateTree calcTree = new CalculateTree(calcString);
CalculationBox.Text = calcTree.Answer;
calcString = "";
}
