Question - What Are The Types Of Threading Models In Vb.net ?
Answer -
There are lot of threading model available, but we focus on Threading models that are common to win32based environments singleThreaded:There is only one thread with in the process,and it is doing all the work for the process.The process must wait for the current execution of the thread to complete before it can perform another action.
Apartment Threading (Single Threaded Apartment)Apartment threaded means there are multiple threads within the application. In single threaded apartment (STA) each thread is isolated in a separate apartment underneath the process. The process can have any number of apartments that share data through a proxy. The application defines when and for how long the thread in each apartment should execute. All requests are serialized through the Windows message queue such that only a single apartment is accessed at a time and thus only a single thread will be executing at any one time.
Free Threading (Multi Threaded Apartment)Free threaded applications were limited to programming languages such as C++ until the release of Microsoft .NET. The free threaded/Multi Threaded Apartment (MTA) model has a single apartment created underneath the process rather than multiple apartments. This single apartment holds multiple threads rather than just a single thread. No message queue is required because all of the threads are a part of the same apartment and can share data without a proxy.
The developer must provide thread synchronization as part of the code to ensure that threads do not simultaneously access the same resources.