ThreadPriority 线程优先级

Enumeration

Priority of a thread.

线程的优先级。

Lower priority means a background operation will run less often and will take up less time, but will progress more slowly.

参见：Application.backgroundLoadingPriority, WWW.threadPriority.

Values值

• Low
  Lowest thread priority
  最低的线程优先级。
• BelowNormal
  Below normal thread priority
  低于正常的线程优先级。
• Normal
  Normal thread priority
  正常的线程优先级。
• High
  Highest thread priority
  最高的线程优先级。