/// <summary>
/// 创建并返回一个Cpu使用率实例，可用于查询操作系统上的CPU时间
/// </summary>
/// <returns></returns>
public static CpuUsage Create()
{
if (_cpuUsage == null)
{
if (Environment.OSVersion.Platform == PlatformID.Win32NT)
{
_cpuUsage = new CpuUsageNt();
}
else if (Environment.OSVersion.Platform == PlatformID.Win32Windows)
{
_cpuUsage = new CpuUsage9x();
}
else
{
throw new NotSupportedException();
}
}
return(_cpuUsage);
}
/// <summary>
/// 获取CPU使用率
/// </summary>
/// <returns></returns>
public static int GetCpuUsage()
{
return(CpuUsage.Create().Query());
}