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Diffstat (limited to 'src/WixToolset.Core.Native/DateTimeInterop.cs')
-rw-r--r-- | src/WixToolset.Core.Native/DateTimeInterop.cs | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/WixToolset.Core.Native/DateTimeInterop.cs b/src/WixToolset.Core.Native/DateTimeInterop.cs new file mode 100644 index 00000000..d2a0ba2b --- /dev/null +++ b/src/WixToolset.Core.Native/DateTimeInterop.cs | |||
@@ -0,0 +1,48 @@ | |||
1 | // Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information. | ||
2 | |||
3 | namespace WixToolset.Core.Native | ||
4 | { | ||
5 | using System; | ||
6 | using System.Runtime.InteropServices; | ||
7 | |||
8 | /// <summary> | ||
9 | /// Interop class for the date/time handling. | ||
10 | /// </summary> | ||
11 | internal static class DateTimeInterop | ||
12 | { | ||
13 | /// <summary> | ||
14 | /// Converts DateTime to MS-DOS date and time which cabinet uses. | ||
15 | /// </summary> | ||
16 | /// <param name="dateTime">DateTime</param> | ||
17 | /// <param name="cabDate">MS-DOS date</param> | ||
18 | /// <param name="cabTime">MS-DOS time</param> | ||
19 | public static void DateTimeToCabDateAndTime(DateTime dateTime, out ushort cabDate, out ushort cabTime) | ||
20 | { | ||
21 | // dateTime.ToLocalTime() does not match FileTimeToLocalFileTime() for some reason. | ||
22 | // so we need to call FileTimeToLocalFileTime() from kernel32.dll. | ||
23 | long filetime = dateTime.ToFileTime(); | ||
24 | long localTime = 0; | ||
25 | FileTimeToLocalFileTime(ref filetime, ref localTime); | ||
26 | FileTimeToDosDateTime(ref localTime, out cabDate, out cabTime); | ||
27 | } | ||
28 | |||
29 | /// <summary> | ||
30 | /// Converts file time to a local file time. | ||
31 | /// </summary> | ||
32 | /// <param name="fileTime">file time</param> | ||
33 | /// <param name="localTime">local file time</param> | ||
34 | /// <returns>true if successful, false otherwise</returns> | ||
35 | [DllImport("kernel32.dll", SetLastError = true)] | ||
36 | private static extern bool FileTimeToLocalFileTime(ref long fileTime, ref long localTime); | ||
37 | |||
38 | /// <summary> | ||
39 | /// Converts file time to a MS-DOS time. | ||
40 | /// </summary> | ||
41 | /// <param name="fileTime">file time</param> | ||
42 | /// <param name="wFatDate">MS-DOS date</param> | ||
43 | /// <param name="wFatTime">MS-DOS time</param> | ||
44 | /// <returns>true if successful, false otherwise</returns> | ||
45 | [DllImport("kernel32.dll", SetLastError = true)] | ||
46 | private static extern bool FileTimeToDosDateTime(ref long fileTime, out ushort wFatDate, out ushort wFatTime); | ||
47 | } | ||
48 | } | ||