C#零碎知识汇总

1.1取时间差

时刻:DateTime      时差:TimeSpan

C#零碎知识汇总

代码:

         DateTime time1 = DateTime.Now;
         textBox1.Text = time1.ToString();
         ; i < ; i++)
             ; j < ; j++)
                 ;
         DateTime time2 = DateTime.Now;
         textBox2.Text = time2.ToString();
         TimeSpan time = time2.Subtract(time1).Duration();
         textBox3.Text = time.ToString();

 1.2使用StopWatch计时

     Stopwatch sp = new Stopwatch();
     sp.Start();
     ; i < ; i++)
         temp += i.ToString();
     sp.Stop();
     Console.WriteLine(sp.Elapsed.TotalMilliseconds.ToString());

C#零碎知识汇总

2.窗体自动居中

 ,(Screen.Height-);

3.如何Ping一个IP地址

命名空间:

using System.Net.NetworkInformation;

Ping一个固定的IP地址:

    string Address="100.73.56.192";
    ;i<;i++)
      {
         Ping ping = new Ping();
         PingReply reply = ping.Send(Address, );
         Console.WriteLine("来自{0}的回复:状态:{1},时间:{2};", Address, reply.Status, reply.RoundtripTime);
      }
    Console.ReadLine();

C#零碎知识汇总

4.计算字符串占用的空间大小

 Size size = TextRenderer.MeasureText(text, this.Font);

5.Debug调试:Debug模式下才执行

 #if DEBUG
     Console.WriteLine("调试中的debugNumber: "+debugNumber);
 #endif
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