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Delphi High Performance
book

Delphi High Performance

by Primož Gabrijelčič
February 2018
Intermediate to advanced content levelIntermediate to advanced
336 pages
7h 52m
English
Packt Publishing
Content preview from Delphi High Performance

Setting up a communication channel

The biggest problem of TThread is that it only allows communication to flow from the background thread to the owner.  As you've seen in the previous chapter, we can use different mechanisms for that—Windows messages, Synchronize, Queue, and polling. There is, however, no built-in way to send messages in a different direction, so you have to build such a mechanism yourself. This is not entirely trivial.

Another problem with built-in mechanisms is that they make for unreadable code. Synchronize and Queue are both inherently messy because they wrap a code that executes in one thread inside a code executing in a different thread. Messages and polling have a different problem. They decouple code through many ...

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Publisher Resources

ISBN: 9781788625456Supplemental Content