示例

// CS1716.cs
// compile with: /unsafe
using System;
using System.Runtime.CompilerServices;

public struct UnsafeStruct
{
    [FixedBuffer(typeof(int), 4)]  // CS1716
    unsafe public int aField;
    // Use this single line instead of the above two lines.
    // unsafe public fixed int aField[4];
}

public class TestUnsafe
{
    static int Main()
    {
        UnsafeStruct us = new UnsafeStruct();
        unsafe
        {
            if (us.aField[0] == 0)
                return us.aField[1];
            else
                return us.aField[2];
        }
    }
}