This article will give you basic idea about how to create a Thread in C# and how to work on the created Thread.
Introduction to Threads In C#
Threads: Threads are often called lightweight processes. However they are not process.es A Thread is a small set of executable instructions, which can be used to isolate a task from a process. Multiple threads are efficient way to obtain parallelism of hardware and give interactive user interaction to your applications.
C# Thread:. . Net Framework has thread-associated classes in System.Threading namespace. The following steps demonstrate how to create a thread in C#.
Step 1. Create a
Creating an object to System.Threading.Thread creates a managed thread in .Net environment. The Thread class has only one constructor, which takes a
ThreadStart delegate as parameter. The
ThreadStart delegate is wrap around the callback method, which will be called when we start the thread.
Step 2: Create the call back function
This method will be a starting point for our new thread. It may be an instance function of a class or a static function. Incase of instance function, we should create an object of the class, before we create the
ThreadStart delegate. For static functions we can directly use the function name to instantiate the delegate. The callback function should have void as both return type and parameter. Because the
ThreadStart delegate function is declared like this. (For more information on delegate see MSDN for “Delegates”).
Step 3: Starting the Thread.
We can start the newly created thread using the Thread’s
Start method. This is an asynchronous method, which requests the operating system to start the current thread.
Public static void MyCallbackFunction()
System.Console.WriteLine(“ Hey!, My Thread Function Running”);
public static void Main(String args)
Thread MyThread = new Thread(new ThreadStart
Killing a Thread:
We can kill a thread by calling the
method of the thread. Calling the
method causes the current thread to exit by throwing the
Suspend and Resuming Thread:
We can suspend the execution of a thread and once again start its execution from another thread using the Thread object’s
A Thread can be in one the following state.
Thread is Created within the common language run time but not Started still.
After a Thread calls Start method
After a Thread calls its wait or Sleep or Join method.
Thread Responds to a Suspend method call.
The Thread is Stopped, either normally or Aborted.
We can check the current state of a thread using the Thread’s
The Thread class’s
ThreadPriority property is used to set the priority of the Thread. A Thread may have one of the following values as its
Highest. The default property of a thread is
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