private void btnAnswer_Click(object sender, EventArgs e)
{
try
{
if (HandleEquation.IsGeneralOp(equation.Last()))
{
MessageBox.Show("请在算式最后输入参与计算的数字！");
}
else
{
Function.Function func = new Function.Function(equation);
equation = richTxtEquation.Text = func.GetValue().ToString();
}
}
catch
{
MessageBox.Show("不支持计算此算式，请重新输入！");
}
}
private void RightBkt_Click(object sender, EventArgs e)
{
if (bktAmount <= 0)
{
return;
}
else if (HandleEquation.IsGeneralOp(equation.Last()))
{
richTxtEquation.Text = richTxtEquation.Text.Substring(0, richTxtEquation.Text.Length - 1) + ((Button)sender).Text;
equation = equation.Substring(0, equation.Length - 1) + ((Button)sender).Text;
bktAmount--;
}
else
{
richTxtEquation.Text += ((Button)sender).Text;
equation += ((Button)sender).Text;
bktAmount--;
}
}
public void GeneralOp_Click(object sender, EventArgs e)
{
if (HandleEquation.IsGeneralOp(equation.Last()))
{
return;
}
richTxtEquation.Text += ((Button)sender).Text;
isClickPoint = false;
if (((Button)sender).Text == "×")
{
equation += "*";
}
else if (((Button)sender).Text == "÷")
{
equation += "/";
}
else
{
equation += ((Button)sender).Text;
}
}