Csharp 读取txt练习

//多线程练习

namespace TextBox文本框 { public partial class Form1 : Form { public Form1() { InitializeComponent(); }

    private void textBox1_TextChanged_1(object sender, EventArgs e)
    {
        // 不需要在此处理逻辑，仅监听输入变化
    }

    private void textBox1_TextChanged_2(object sender, EventArgs e)
    {
        // 不需要在此处理逻辑，仅监听输入变化
    }

    private void Minus()
    {
        // 获取两个文本框的输入值
        string input1 = textBox1.Text;
        string input2 = textBox2.Text;

        // 尝试将输入值转换为数字并相加
        if (double.TryParse(input1, out double number1) && double.TryParse(input2, out double number2))
        {
            double result = number1 - number2;
            MessageBox.Show("相减结果是 " + result); // 显示结果
        }
        else
        {
            MessageBox.Show("请输入有效的数字"); // 错误提示
        }
    }

    private void Addition()
    {
        // 获取两个文本框的输入值
        string input1 = textBox1.Text;
        string input2 = textBox2.Text;

        // 尝试将输入值转换为数字并相加
        if (double.TryParse(input1, out double number1) && double.TryParse(input2, out double number2))
        {
            double result = number1 + number2;
            MessageBox.Show("相加结果是 " + result); // 显示结果
        }
        else
        {
            MessageBox.Show("请输入有效的数字"); // 错误提示
        }
    }

    private void Division()
    {
        // 获取两个文本框的输入值
        string input1 = textBox1.Text;
        string input2 = textBox2.Text;

        // 尝试将输入值转换为数字并相加
        if (double.TryParse(input1, out double number1) && double.TryParse(input2, out double number2))
        {
            double result = number1 / number2;
            MessageBox.Show("相除结果是 " + result); // 显示结果
        }
        else
        {
            MessageBox.Show("请输入有效的数字"); // 错误提示
        }
    }

    private void btnADD_Click(object sender, EventArgs e)
    {
        // 获取两个文本框的输入值
        Thread.Sleep(2000);
        Addition();
    }
    private void btnMinus_Click(object sender, EventArgs e)
    {
        Minus();
    }
    private void btnThreadMinus_Click(object sender, EventArgs e)
    {
        Thread t = new Thread(() =>
        {
           Minus();
        });
        t.Start();
    }
    private void btnTaskDivision_Click(object sender, EventArgs e)
    {
        List<Task> tasks = new List<Task>();
        tasks.Add(Task.Run(() =>
        {
            Thread.Sleep(3000);
            Division();
        }));

        tasks.Add(Task.Run(() =>
        {
            Thread.Sleep(3000);
            Addition();
        }));

        Task.WhenAll(tasks).ContinueWith(a =>
        {
            Minus();
        });

    }
}

}