摘要:
DialogResult dr = MessageBox.Show("真的要退出?", "退出", MessageBoxButtons.YesNo, MessageBoxIcon.Question);if (dr == DialogResult.Yes){MessageBox.Show("yes");e.Cancel = false;}else{e.Cancel = true;} 阅读全文
摘要:
using System.Diagnostics;private Stopwatch stw = new Stopwatch();stw.Start();stw.Stop();MessageBox.Show("程序共运行时间:" + stw.Elapsed.Seconds.ToString() + "秒"); 阅读全文