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How to check whether a thread is a background thread or not in C#
To check whether a thread is a background thread or not, the code is as follows −
Example
using System;
using System.Threading;
public class Demo {
public static void Main() {
Thread thread = new Thread(new ThreadStart(demo1));
ThreadPool.QueueUserWorkItem(new WaitCallback(demo2));
Console.WriteLine("Current state of Thread = "+thread.ThreadState);
Console.WriteLine("ManagedThreadId = "+thread.ManagedThreadId);
Console.WriteLine("Is the Thread a background thread? = "+Thread.CurrentThread.IsBackground);
}
public static void demo1() {
Thread.Sleep(2000);
}
public static void demo2(object stateInfo) {
Console.WriteLine("Thread belongs to managed thread pool? = "+Thread.CurrentThread.IsThreadPoolThread);
}
}Output
This will produce the following output −
Current state of Thread = Unstarted ManagedThreadId = 721 Is the Thread a background thread? = False Thread belongs to managed thread pool? = True
Example
Let us see another example −
using System;
using System.Threading;
public class Demo {
public static void Main() {
Thread thread = new Thread(new ThreadStart(demo1));
ThreadPool.QueueUserWorkItem(new WaitCallback(demo2));
Console.WriteLine("Current state of Thread = "+thread.ThreadState);
Console.WriteLine("ManagedThreadId = "+thread.ManagedThreadId);
thread.IsBackground = true;
Console.WriteLine("Is the Thread a background thread? = "+thread.IsBackground);
}
public static void demo1() {
Thread.Sleep(2000);
}
public static void demo2(object stateInfo) {
Console.WriteLine("Thread belongs to managed thread pool? = "+Thread.CurrentThread.IsThreadPoolThread);
}
}Output
This will produce the following output −
Current state of Thread = Unstarted ManagedThreadId = 1114 Is the Thread a background thread? = True Thread belongs to managed thread pool? = True
Updated on: 16-Dec-2019
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