Created
March 23, 2017 02:31
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public static DateTime GetLinkerTime(this Assembly assembly, TimeZoneInfo target = null) | |
{ | |
var filePath = assembly.Location; | |
const int c_PeHeaderOffset = 60; | |
const int c_LinkerTimestampOffset = 8; | |
var buffer = new byte[2048]; | |
using (var stream = new FileStream(filePath, FileMode.Open, FileAccess.Read)) | |
stream.Read(buffer, 0, 2048); | |
var offset = BitConverter.ToInt32(buffer, c_PeHeaderOffset); | |
var secondsSince1970 = BitConverter.ToInt32(buffer, offset + c_LinkerTimestampOffset); | |
var epoch = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc); | |
var linkTimeUtc = epoch.AddSeconds(secondsSince1970); | |
var tz = target ?? TimeZoneInfo.Local; | |
var localTime = TimeZoneInfo.ConvertTimeFromUtc(linkTimeUtc, tz); | |
return localTime; | |
} |
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