update readme (#21797)
[mono-project.git] / mcs / class / corlib / System.Runtime.InteropServices / MarshalAsAttribute.cs
blob745e2cb0f9df3fcdc668c127ccfff62c0d859b3e
1 //
2 // System.Runtime.InteropServices.MarshalAsAttribute.cs
3 //
4 // Author:
5 // Andreas Nahr (ClassDevelopment@A-SoftTech.com)
6 //
8 //
9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
11 // Permission is hereby granted, free of charge, to any person obtaining
12 // a copy of this software and associated documentation files (the
13 // "Software"), to deal in the Software without restriction, including
14 // without limitation the rights to use, copy, modify, merge, publish,
15 // distribute, sublicense, and/or sell copies of the Software, and to
16 // permit persons to whom the Software is furnished to do so, subject to
17 // the following conditions:
18 //
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
21 //
22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System;
32 using System.Runtime.CompilerServices;
34 namespace System.Runtime.InteropServices {
36 [ComVisible(true)]
37 [AttributeUsage (AttributeTargets.Field | AttributeTargets.Parameter |
38 AttributeTargets.ReturnValue, Inherited=false)]
39 [StructLayout (LayoutKind.Sequential)]
40 public sealed class MarshalAsAttribute : Attribute {
41 /*keep these fields in sync with object-internals.h*/
42 #pragma warning disable 169, 414
43 public string MarshalCookie;
44 [ComVisible(true)]
45 public string MarshalType;
47 [ComVisible(true)]
48 [PreserveDependency ("GetCustomMarshalerInstance", "System.Runtime.InteropServices.Marshal")]
49 public Type MarshalTypeRef;
50 public Type SafeArrayUserDefinedSubType;
52 private UnmanagedType utype;
53 public UnmanagedType ArraySubType;
54 public VarEnum SafeArraySubType;
55 public int SizeConst;
56 public int IidParameterIndex;
57 public short SizeParamIndex;
58 #pragma warning disable 169, 414
60 public MarshalAsAttribute (short unmanagedType) {
61 utype = (UnmanagedType)unmanagedType;
63 public MarshalAsAttribute( UnmanagedType unmanagedType) {
64 utype = unmanagedType;
66 public UnmanagedType Value {
67 get {return utype;}
70 internal MarshalAsAttribute Copy ()
72 return (MarshalAsAttribute)this.MemberwiseClone ();