TThreadPriority

type TThreadPriority = (

  tpIdle,

Thread only runs when other processes are idle.

  tpLowest,

Thread runs at the lowest priority.

  tpLower,

Thread runs at a lower priority.

  tpNormal,

Thread runs at normal process priority.

  tpHigher,

Thread runs at high priority

  tpHighest,

Thread runs at highest possible priority.

  tpTimeCritical

Thread runs at realtime priority.

);