mcs/class/corlib/System.Reflection/Pointer.cs

   1 //
   2 // System.Reflection/Pointer.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //
   7 // (C) 2003 Ximian, Inc.  http://www.ximian.com
   8 //
   9 //
  10
  11 using System;
  12 using System.Reflection;
  13 using System.Globalization;
  14 using System.Runtime.CompilerServices;
  15 using System.Runtime.Serialization;
  16
  17 namespace System.Reflection {
  18
  19         [Serializable]
  20         [CLSCompliant(false)]
  21         public unsafe sealed class Pointer : ISerializable {
  22
  23                 void *data;
  24                 Type type;
  25
  26                 private Pointer () {
  27                 }
  28
  29                 public static Pointer Box (void *ptr, Type type)
  30                 {
  31
  32                         if (type == null)
  33                                 throw new ArgumentNullException ("type");
  34                         if (!type.IsPointer)
  35                                 throw new ArgumentException ("type");
  36                         Pointer res = new Pointer ();
  37                         res.data = ptr;
  38                         res.type = type;
  39                         return res;
  40                 }
  41
  42                 public static void* Unbox (object ptr)
  43                 {
  44                         Pointer p = ptr as Pointer;
  45                         if (p == null)
  46                                 throw new ArgumentException ("ptr");
  47                         return p.data;
  48                 }
  49
  50                 void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context)
  51                 {
  52                         throw new NotSupportedException ("Pointer deserializatioon not supported.");
  53                 }
  54         }
  55 }