/// <summary>
/// 开始一段跟踪
/// </summary>
public void End()
{
if (Cr == null)
throw new Exception("错误的调用，未使用BEGIN（）");
_trackinfos.Add(Cr.End());
Cr = null;
}
/// <summary>
/// 开始一段跟踪
/// </summary>
/// <param name="discript"></param>
public void Begin(string discript)
{
Cr = new CodeRunTime(discript);
}