void Reset()
{
rnd = new RandomNumberGenerator();
Txt_Min.Text = rnd.Min.ToString();
Txt_Max.Text = rnd.Max.ToString();
Txt_Result.Clear();
}
private void Btn_0_Click(object sender, EventArgs e)
{
if (mate)
{
Txt_Result.Clear(); mate = false;
}
Txt_Result.Text += "0";
}
private void Btn_Calc_Click(object sender, EventArgs e)
{
//判断输入字符是否为空
if (Txt_Result.Text == string.Empty)
{
return;
}
oper.NumberB = Convert.ToInt32(Txt_Result.Text);
Txt_Calc.Text += Txt_Result.Text + "=";
Txt_Result.Clear();
ans = oper.GetResult();
Txt_Result.Text = ans.ToString();
mate = true;
}
//读取上个计算结果值
private void Btn_Ans_Click(object sender, EventArgs e)
{
Txt_Result.Clear();
Txt_Result.Text = ans.ToString();
}