Merge pull request #3802 from lambdageek/dev-reference-attr-take3
[mono.git] / mcs / class / System / System.Diagnostics / ProcessStartInfo.cs
1 //
2 // System.Diagnostics.ProcessStartInfo.cs
3 //
4 // Authors:
5 //   Dick Porter (dick@ximian.com)
6 //   Andreas Nahr (ClassDevelopment@A-SoftTech.com)
7 //
8 // (C) 2002 Ximian, Inc.  http://www.ximian.com
9 //
10
11 //
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
19 // 
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
22 // 
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 //
31
32 using Microsoft.Win32;
33 using System.Collections;
34 using System.Collections.Specialized;
35 using System.ComponentModel;
36 using System.IO;
37 using System.Security;
38 using System.Security.Permissions;
39 using System.Text;
40 using System.Runtime.InteropServices;
41
42 namespace System.Diagnostics 
43 {
44         [StructLayout (LayoutKind.Sequential)]
45         public sealed partial class ProcessStartInfo 
46         {
47                 internal bool HaveEnvVars {
48                         get { return (environmentVariables != null); }
49                 }
50
51                 static readonly string [] empty = new string [0];
52
53                 [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden), Browsable (false)]
54                 public string[] Verbs {
55                         get {
56 #if MOBILE
57                                 return empty;
58 #else
59                                 switch (System.Environment.OSVersion.Platform) {
60                                 case (PlatformID)4:
61                                 case (PlatformID)6:
62                                 case (PlatformID)128:
63                                         return empty; // no verb on non-Windows
64                                 default:
65                                         string ext = String.IsNullOrEmpty (fileName) ? null : Path.GetExtension (fileName);
66                                         if (ext == null)
67                                                 return empty;
68
69                                         RegistryKey rk = null, rk2 = null, rk3 = null;
70                                         try {
71                                                 rk = Registry.ClassesRoot.OpenSubKey (ext);
72                                                 string k = rk != null ? rk.GetValue (null) as string : null;
73                                                 rk2 = k != null ? Registry.ClassesRoot.OpenSubKey (k) : null;
74                                                 rk3 = rk2 != null ? rk2.OpenSubKey ("shell") : null;
75                                                 return rk3 != null ? rk3.GetSubKeyNames () : null;
76                                         } finally {
77                                                 if (rk3 != null)
78                                                         rk3.Close ();
79                                                 if (rk2 != null)
80                                                         rk2.Close ();
81                                                 if (rk != null)
82                                                         rk.Close ();
83                                         }
84                                 }
85 #endif
86                         }
87                 }
88         }
89 }