EN CSharp Keyword void

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C#: void

Handbook C# · Practical Guide

The method does not return a value. A call is used as a statement; return terminates the method with no result.

Simple example (Example.cs)

Save this example separately as Example.cs. Run it independently of the other examples on this page.

Example.cs:

// PROJECT-EXAMPLE
void Report() { System.Console.WriteLine("Ready"); }
Report();

Result:

Ready

Syntax

static void Report(string text) { ... }

Example 1: simple form

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

public static class Program
{
    public static async Task Main(string[] args)
    {
        Reports.Show("Ready");
    }
}
public static class Reports { public static void Show(string text) { Console.WriteLine(text); } }

Example 2: another practical form

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;

public static class Program
{
    public static async Task Main(string[] args)
    {
        Action<string> writer = Reports.Show;
        writer("Finished");
    }
}
public static class Reports { public static void Show(string text) { if (text.Length == 0) return; Console.WriteLine(text); } }

Official source: Microsoft Learn.