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C#: object

Handbook C# · Practical Guide

Base object type .NET. The value type when assigned to object is packed.

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
object value = 7;
if (value is int number) System.Console.WriteLine(number + 1);

Result:

8

Syntax

object value = 42;

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)
    {
        object value = 42;
        if (value is int number) Console.WriteLine(number + 1);
    }
}

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)
    {
        object[] values = ["ore", 12, true];
        foreach (object value in values) Console.WriteLine(value.GetType().Name);
    }
}

Official source: Microsoft Learn.