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  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5.  
  6. using System.Runtime.InteropServices;
  7.  
  8. namespace 配列の型変換__
  9. {
  10.     class Program
  11.     {
  12.         static void Main(string[] args)
  13.         {
  14.             UnionReference UR = new UnionReference();//下の方に定義あり。
  15.  
  16.             UR.ByteArray = new byte[128];
  17.             UR.ShortArray[0] = 511;
  18.  
  19.             Console.WriteLine("ByteArray:{0},ShortArray:{1}", UR.ByteArray.Count(), UR.ShortArray.Count());
  20.             UR.ByteArray = null;
  21.  
  22.             UR.ShortArray = new short[128];
  23.             UR.ByteArray[4] =128 ;
  24.  
  25.             Console.WriteLine("ByteArray:{0},ShortArray:{1}", UR.ByteArray.Count(), UR.ShortArray.Count());
  26.             return;
  27.  
  28.         }
  29.  
  30.         //static void Main(string[] args)
  31.         //{
  32.         //    short[] Ary = new short[] { 1, 2, 3, 4, 5, 6, 7, 8 };
  33.         //    byte[] Ary2 = Ary;//不可
  34.         //}
  35.     }
  36.  
  37.     [System.Runtime.InteropServices.StructLayout(LayoutKind.Explicit)]
  38.     struct UnionReference
  39.     {
  40.         [System.Runtime.InteropServices.FieldOffset(0)]
  41.         public byte[] ByteArray;
  42.         [System.Runtime.InteropServices.FieldOffset(0)]
  43.         public short[] ShortArray;
  44.     }
  45. }
Runtime error #stdin #stdout 0.03s 39488KB
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Standard input is empty
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System.Byte[] doesn't implement interface System.Collections.Generic.IEnumerable<System.Int16>
https://ideone.com/9PLq5
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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