Call slot from another thread
Running this code in Windows Phone or Silverlight works fine until I try to data bind the Status property to a TextBlock in the XAML front end. Running the operation again crashes the application. Just like before, as soon as the background thread attempts to access an element belonging to another thread, the exception is thrown.
Apr 15, 2017 ... The event loop is started by calling .exec_() on your QApplication object and .... causes your application to branch off into handling code (e.g. for triggered slots, .... Executing our function in another thread is simply a matter of ... qobject.cpp source code [qtbase/src/corelib/kernel/qobject.cpp ... 636, The numbers of reblock() and unblock() calls are not counted, so. 637, every ... You can. 663, connect a signal to a slot with connect() and destroy the ... 732, \li When a QObject is moved to another thread, all its children. 733, will be ... Slot and token management functions - Cryptsoft Cryptoki provides the following functions for slot and token management: .... an application has a C_WaitForSlotEvent call blocking when another thread of that ...
Using Qt's Classes in Secondary Threads | C++ GUI ...
The main thread runs the BackgroundWorker.ProgressChanged and BackgroundWorker.RunWorkerCompleted event handlers, which can call the main thread's controls. To make a thread-safe call by using BackgroundWorker, create a method in the background thread to do the work, and bind it to the DoWork event. Create another method in the main thread to C#/WPF Independent background thread to update the UI What are you doing in your delegate? You should be able to update your vm from any thread without having to worry about. It's only a problem if you try to call a method of the view from a thread other than the other end that created it. The binding shouldn't care what thread raised the PropertyChanged event.
The TCP server will receive a new frame number from another application and then use the Plugin IF function plugin_if_goto_frame to cause Wireshark to jump to the new frame number. I have found through various experiments that plugin_if_goto_frame must run on the main thread.
Multithreading PyQt applications with QThreadPool Qt provides the signals and slots framework which allows you to do just that and is thread-safe, allowing safe communication directly from running threads to your GUI frontend. Signals allow you to .emit values, which are then picked up elsewhere in your code by slot functions which have been linked with .connect. Another brushless thread... - Slot Drag Racing - Slotblog
In computer science, a thread of execution is the smallest sequence of programmed instructions that can be managed independently by a scheduler, which is typically a ...
What is this thing you call "thread safe"? – Fabulous… Thread safety of mutable data structures is usually all about ensuring that the operations on theWhat if the dequeue on the other thread happened after the call to Peek succeeded but before theAnother example. Consider my recent post on the thread safety of event delegate invocations. In which thread is a slot executed, and can I redirect it to…
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