C# 获取系统开机时间

原文:C# 获取系统开机时间

///

       
///  获取系统开机时间 

       
///

       
///

       
private DateTime GetComputerStartTime()

       
{

           
int result = Environment.TickCount &
Int32.MaxValue;     
//获取系统启动后运行的毫秒数

           
TimeSpan m_WorkTimeTemp = new
TimeSpan(Convert.ToInt64(Convert.ToInt64(result) * 10000));

DateTime startTime =
System.DateTime.Now.AddDays(m_WorkTimeTemp.Days);

           
startTime = startTime.AddHours(-m_WorkTimeTemp.Hours);

           
startTime =
startTime.AddMinutes(-m_WorkTimeTemp.Minutes);

startTime =
startTime.AddSeconds(-m_WorkTimeTemp.Seconds);

//MessageBox.Show(startTime.ToString());

           
return
startTime;   
//返回转换后的时间

       
}