摘要:
通常,我们要在线程中更新UI的话,都会采用Invoke private void button1_Click(object sender, EventArgs e){ Thread asd = new Thread(new ThreadStart(DoProgressEnd)); asd.Start();} private void DoProgressEnd() { Invoke(new Action(() => { button1.Text = "准备就绪"; ... 阅读全文
摘要:
static void Main(string[] args) { /* * 命题:计算 加 减 乘 除,不含括号 */ var str = "8*8*8-100*2"; //计算乘法 str = Calc(str, '*'); str = Calc(str, '/'); str = Calc(str, '+'); str = Calc(str, '-'); ... 阅读全文