class1.cs

C#开发教程 由浅入深 配有实例 是初学者的好帮手

using System;

namespace TestStackalloc
{
    class TestStackallocApp
    {
        unsafe public static void Foo(int* pa)
        {
            for (int* ip = pa; ip < (pa+5); ip++)
            {
                Console.WriteLine(
                    "value {0} at address: {1}", *ip, (int)ip);
            }
        }

        [STAThread]
        static void Main(string[] args)
        {
/*          int[] ia = new int[5]{12,34,56,78,90};
            
            unsafe
            {
                fixed (int* pa = ia)
                {
                    Foo(pa);
                }
            }
*/
            unsafe
            {
                int* pa = stackalloc int[5];
                pa[0] = 12;
                pa[1] = 34;
                pa[2] = 56;
                pa[3] = 78;
                pa[4] = 90;
                Foo(pa);
            }
        }
    }
}