No matter how well architected, however, no UI framework will ever be able to provide a single-threaded solution for every sort of problem. The Invoke method also has overloads that take an Action or Func Typically, WPF applications start with two threads: one for handling rendering and another for managing the UI.WPF comes close, but there are still situations where multiple threads improve user interface (UI) responsiveness or application performance. The rendering thread effectively runs hidden in the background while the UI thread receives input, handles events, paints the screen, and runs application code.Other reasons for UI unresponsiveness could be long running IO tasks or slow CPU.So we should take care of this while designing the application and make sure the UI does not freeze in such conditions.The new C# and VB facilities provided by the Visual Studio Async CTP seem to solve the problem neatly and in a way that is simple enough for even a beginner to user.
This is quite a surprise to people who are new to Windows programming, when they first do something that takes more than a second and realize that their application actually hangs while doing so.
To unblock a file, right click on it, and select properties, and then select the ‘unblock’ button.
By default, each time your application executes a piece of code, this code is run on the same thread as the application itself.
After discussing some background material, this paper explores some of these situations and then concludes with a discussion of some lower-level details. Most applications use a single UI thread, although in some situations it is best to use several. The UI thread queues work items inside an object called a Dispatcher.
, call the Dispatcher Operation Wait extension method. The Dispatcher selects work items on a priority basis and runs each one to completion.