1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
|
/* This file is part of SevenZipSharp.
SevenZipSharp is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
SevenZipSharp is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with SevenZipSharp. If not, see <http://www.gnu.org/licenses/>.
*/
#define DOTNET20
#define UNMANAGED
#define COMPRESS
using System;
using System.Runtime.InteropServices;
#if MONO
using SevenZip.Mono.COM;
#endif
namespace SevenZip
{
#if UNMANAGED
internal static class NativeMethods
{
#if !WINCE && !MONO
#region Delegates
[UnmanagedFunctionPointer(CallingConvention.StdCall)]
public delegate int CreateObjectDelegate(
[In] ref Guid classID,
[In] ref Guid interfaceID,
[MarshalAs(UnmanagedType.Interface)] out object outObject);
#endregion
[DllImport("kernel32.dll", BestFitMapping = false, ThrowOnUnmappableChar = true)]
public static extern IntPtr LoadLibrary([MarshalAs(UnmanagedType.LPStr)] string fileName);
[DllImport("kernel32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool FreeLibrary(IntPtr hModule);
[DllImport("kernel32.dll", BestFitMapping = false, ThrowOnUnmappableChar = true)]
public static extern IntPtr GetProcAddress(IntPtr hModule, [MarshalAs(UnmanagedType.LPStr)] string procName);
#endif
#if WINCE
[DllImport("7z.dll", EntryPoint="CreateObject")]
public static extern int CreateCOMObject(
[In] ref Guid classID,
[In] ref Guid interfaceID,
[MarshalAs(UnmanagedType.Interface)] out object outObject);
#endif
public static T SafeCast<T>(PropVariant var, T def)
{
object obj;
try
{
obj = var.Object;
}
catch (Exception)
{
return def;
}
if (obj != null && obj is T)
{
return (T) obj;
}
return def;
}
}
#endif
}
|
