Why is only the UI thread allowed to modify the UI?

by

Several GUI frameworks have this limitation. According to the book Java Concurrency in Practice the reason for this is to avoid complex locking. The problem is that GUI controls may have to react to both events from the UI, data binding and so forth, which leads to locking from several different sources and thus a risk of deadlocks. To avoid this .NET WinForms (and other UIs) restricts access to components to a single thread and thus avoids locking.

More Related Contents:

  1. Maximum number of threads in a .NET app?
  2. Is the C# static constructor thread safe?
  3. Implement C# Generic Timeout
  4. When to use BlockingCollection and when ConcurrentBag instead of List?
  5. Starting Tasks In foreach Loop Uses Value of Last Item [duplicate]
  6. Why is cross thread operation exception not thrown while running exe in bin\Debug
  7. Is accessing a variable in C# an atomic operation?
  8. Multiple Parallel.ForEach loops in .Net
  9. Is there a way to indefinitely pause a thread?
  10. How to put a task to sleep (or delay) in C# 4.0?
  11. Task continuation on UI thread
  12. Monitor vs lock
  13. How to check if Thread finished execution
  14. EF Data Context – Async/Await & Multithreading
  15. Process queue with multithreading or tasks
  16. Using string as a lock to do thread synchronization
  17. Why am I getting this error:”Cross-thread operation not valid: Control lbFolders accessed from a thread other than the thread it was created on.”?
  18. Raise Events in .NET on the main UI thread
  19. Calling async method on button click
  20. Can you link to a good example of using BackgroundWorker without placing it on a form as a component?
  21. Throw a NullReferenceException while calling the set_item method of a Dictionary object in a multi-threading scenario
  22. Is this thread.abort() normal and safe?
  23. C# Threading/Async: Running a task in the background while UI is interactable
  24. Should thread-safe class have a memory barrier at the end of its constructor?
  25. Cross-Process Locking in C#
  26. Faulted vs Canceled task status after CancellationToken.ThrowIfCancellationRequested
  27. Read and process files in parallel C#
  28. Multiple UI Threads – Winforms
  29. Throwing exceptions in callback method for Timers
  30. Starting a new thread in a foreach loop

Leave a Comment