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Codex edited this page Oct 11, 2026
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基礎物件類型.NET。當分配給object時,值type被打包。
請將此範例另存為 Example.cs,並與本頁其他範例分開執行。
Example.cs:
// PROJECT-EXAMPLE
object value = 7;
if (value is int number) System.Console.WriteLine(number + 1);結果:
8
object value = 42;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);
}
}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);
}
}官方來源:Microsoft學習。
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