How Can I Call Asynchronous Methods from the Main() Method in C#?

Calling Async Methods from Main()

One of the new features introduced in C# is support for asynchronous programming. This allows you to perform long-running operations without blocking the main thread, which can lead to a more responsive user interface.

In the provided code sample, you have an async method called Go() that you want to call from the Main() method. To do this, you can use one of two approaches:

Option 1: Using async/await (C# 7.1 and newer)

In C# 7.1 and newer, you can use the async keyword to make your Main() method asynchronous. This allows you to await the result of the Go() method without blocking the main thread.

static async Task Main(string[] args)
{
    test t = new test();
    await t.Go();
    Console.WriteLine("finished");
    Console.ReadKey();
}

Option 2: Using Blocking (for C# versions prior to 7.1)

For versions of C# prior to 7.1, you can use the Wait() method to block the main thread until the Go() method has completed.

static void Main(string[] args)
{
    test t = new test();
    t.Go().Wait();
    Console.WriteLine("finished");
    Console.ReadKey();
}

The approach you used in your code sample, involving a callback, is not necessary. Using either the async/await pattern or the Wait() method will allow you to call async methods from Main() in a straightforward manner.

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