示例

// cs1560.cs 
using System; 
class MyClass 
{   
   public static void Main()    
   {      
      Console.WriteLine("Normal line #1.");   
      #line 21 "MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890MyFile1234567890.txt"   // CS1560
    }
}