C# | Getting the unique identifier for the current managed thread

A Thread class is responsible for creating and managing a thread in multi-thread programming. It provides a property known as ManagedThreadId to check the unique identifier for the current managed thread. Or in other words, the value of ManagedThreadId property of a thread defines uniquely that thread within its process. The value of the ManagedThreadId property does not vary according to time. Syntax:

public int ManagedThreadId { get; }

Return Value: This property returns a value that indicates a unique identifier for this managed thread. The return type of this property is System.Int32. Example 1: Output:

The unique id of the main thread is: 1 

Example 2:

Output:

ManagedThreadId of thread 1 is: 3
ManagedThreadId of thread 2 is: 4
ManagedThreadId of thread 3 is: 5

Reference:

• https://learn.microsoft.com/en-us/dotnet/api/system.threading.thread.managedthreadid?view=netframework-4.7.2