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Codex edited this page Oct 11, 2026
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2 revisions
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新增版權警告。如果警告不被解釋為錯誤,則警告本身不會停止編譯。
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
#warning Review this example
System.Console.WriteLine("Ready");結果:
Ready
#warning message#warning Review the sample configuration
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)
{
Console.WriteLine("Ready");
}
}#define SAMPLE
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)
{
#if SAMPLE
#warning Sample mode is active
#endif
Console.WriteLine("Mode selected");
}
}官方來源:Microsoft學習。
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