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Code examples from Delphi Event-based and Asynchronous Programming Book

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README

Code examples from Delphi Event-based and Asynchronous Programming Book

[https://dalija.prasnikar.info/delphiebap/](https://dalija.prasnikar.info/delphiebap/)

[https://dalija.prasnikar.info](https://dalija.prasnikar.info)

Part 1. The Loop

Chapter 1. Hidden complexity

ConHelloWorld.dpr
HelloWorld.dpr

Chapter 2. Peeking at the console

ConSumParams.dpr
ConSumRead.dpr
ConSumLoop.dpr

Part 2. Messaging Systems

Chapter 7. Windows Messaging System

1. Windows Message Queue
  - WinApp.dpr

Chapter 8. Windows Messaging System in VCL

1. Window for non-visual components
  - GearApp.dpr
  - GearU.pas
  - GearMainF.pas
  - GearMainF.dfm

Chapter 10. System.Messaging

MsgApp.dpr
MsgMainF.pas
MsgMainF.dfm

Part 3. Life, the Universe, and Everything

Chapter 12. Automatic memory management and Chapter 14. Class helpers

XMLBuilderApp.dpr
XMLBuilderU.pas
XMLBuilderMainF.pas
XMLBuilderMainF.dfm
XMLBuilderIntfU.pas

Chapter 13.6 Interfaces and generics

GenIntf.dpr

Chapter 15. Anonymous methods and lambdas

1. Anonymous method variable capture
  - AnonymousVar.dpr
  - AnonymousVarProc.dpr
  - AnonymousVarProc2.dpr
  - Anonymous1.dpr
  - Anonymous2.dpr
  - Anonymous3.dpr
  - Anonymous4.dpr
  - Anonymous5.dpr
  - Anonymous6.dpr
  - Anonymous7.dpr
  - Anonymous8.dpr

1. Capturing and loops
  - CaptureLoops.dpr
  - CaptureLoopsCorrect.dpr
  - CaptureLoopsObject.dpr
1. Anonymous method reference cycles
  - Cycle1.dpr
  - Cycle2.dpr
  - Cycle3.dpr
  - Cycle4.dpr
1. Using weak references to break anonymous method reference cycles
  - CycleWeak.dpr

Part 4. Asynchronous Programming and Multithreading

Chapter 16. Asynchronous programming and multithreading

SynchronousApp.dpr
SynchronousMainF.pas
SynchronousMainF.dfm

Chapter 19. Application.ProcessMessages reentrancy problem

ProcessMsgApp.dpr
ProcessMsgMainF.pas
ProcessMsgMainF.dfm

Chapter 20. Moving long operations to a background thread

BackgroundApp.dpr
BackgroundMainF.pas
BackgroundMainF.dfm

Chapter 21. Asynchronous message dialog

AsyncDlg.dpr
AsyncDlg.dproj
AsyncDlgMainF.pas
AsyncDlgMainF.fmx

Chapter 22. Tasks

TasksApp.dpr
TasksMainF.pas
TasksMainF.dpr

Chapter 23. Back to the Future

FutureApp.dpr
FutureMainF.pas
FutureMainF.dfm

Chapter 24. There is no Future like your own Future

1. Generic approach to future
  - GenFutureApp.dpr
  - GenFutureMainF.pas
  - GenFutureMainF.dfm
  - NX.Core.pas
  - NX.GenFuture.pas
1. TValue approach to future
  - ValueFutureApp.dpr
  - ValueFutureMainF.pas
  - ValueFutureMainF.dfm
  - NX.Future.pas

Part 5. Thread Safety

Chapter 25. What is thread safety anyway?

1. Working example of thread-unsafe code
  - ThreadUnsafe.dpr

Chapter 29. Use immutable data

Mutability.dpr

Chapter 31. Initialization pattern

InitializationPattern.pas

Chapter 32. Protecting shared data

1. Synchronization primitives (objects)
  - UsingSyncObjs.pas
  - DeadlockApp.dpr
  - DeadlockMainF.pas
  - DeadlockMainF.dfm
1. Thread synchronization
  - ThreadSyncApp.dpr
  - ThreadSyncMainF.pas
  - ThreadSyncMainF.dfm
1. Events
  - EventsApp.dpr
  - EventsMainF.pas
  - EventsMainF.dfm

Part 6. GUI and Multithreading

Chapter 34. Communicating with the main thread

Chapter 35. Communication and GUI issues

1. Deadlocking the main thread
  - GUIDeadlockApp.dpr
  - GUIDeadlockMainF.pas
  - GUIDeadlockMainF.dfm
1. Cleanup on GUI destruction
  - GUICleanupApp.dpr
  - GUICleanupMainF.pas
  - GUICleanupMainF.dfm
  - DestroyF.pas
  - DestroyF.dfm
  - GuardianF.pas
  - GuardianF.dfm
  - WaitF.pas
  - WaitF.dfm