[Overview][Types][Classes][Procedures and functions] Reference for unit 'contnrs' (#fcl)

TObjectQueue.Peek

Look at the first object in the queue.

Declaration

Source position: contnrs.pp line 176

public function TObjectQueue.Peek: TObject;

Function result

The first element in the queue, or Nilif the queue is empty

Description

Peekreturns the first object in the queue, without removing it from the queue. If there are no more objects in the queue, Nilis returned.

Errors

None

See also

TObjectQueue.Push

  

Push an object on the queue

TObjectQueue.Pop

  

Pop the first element off the queue