File size: 3,814 Bytes
8c763fb | 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 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | // Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
using System;
using System.Diagnostics;
using System.Reflection;
using System.Resources;
using System.Runtime.InteropServices;
using System.Text;
namespace Microsoft.PowerShell.Commands.Diagnostics.Common
{
internal static class CommonUtilities
{
private const string LibraryLoadDllName = "api-ms-win-core-libraryloader-l1-2-0.dll";
private const string LocalizationDllName = "api-ms-win-core-localization-l1-2-1.dll";
private const uint FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;
private const uint FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;
private const uint LOAD_LIBRARY_AS_DATAFILE = 0x00000002;
private const uint FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;
[DllImport(LocalizationDllName, SetLastError = true, CharSet = CharSet.Unicode)]
private static extern uint FormatMessage(uint dwFlags, IntPtr lpSource,
uint dwMessageId, uint dwLanguageId,
[MarshalAs(UnmanagedType.LPWStr)]
StringBuilder lpBuffer,
uint nSize, IntPtr Arguments);
[DllImport(LibraryLoadDllName, SetLastError = true, CharSet = CharSet.Unicode)]
private static extern IntPtr LoadLibraryEx(
[MarshalAs(UnmanagedType.LPWStr)] string lpFileName,
IntPtr hFile,
uint dwFlags
);
[DllImport(LibraryLoadDllName)]
private static extern bool FreeLibrary(IntPtr hModule);
[DllImport(LocalizationDllName, EntryPoint = "GetUserDefaultLangID", CallingConvention = CallingConvention.Winapi, SetLastError = true)]
private static extern ushort GetUserDefaultLangID();
public static uint FormatMessageFromModule(uint lastError, string moduleName, out string msg)
{
Debug.Assert(!string.IsNullOrEmpty(moduleName));
uint formatError = 0;
msg = string.Empty;
IntPtr moduleHandle = LoadLibraryEx(moduleName, IntPtr.Zero, LOAD_LIBRARY_AS_DATAFILE);
if (moduleHandle == IntPtr.Zero)
{
return (uint)Marshal.GetLastWin32Error();
}
try
{
uint LANGID = (uint)GetUserDefaultLangID();
uint langError = (uint)Marshal.GetLastWin32Error();
if (langError != 0)
{
LANGID = 0; // neutral
}
StringBuilder outStringBuilder = new(1024);
uint nChars = FormatMessage(
dwFlags: FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE,
lpSource: moduleHandle,
dwMessageId: lastError,
dwLanguageId: LANGID,
lpBuffer: outStringBuilder,
nSize: (uint)outStringBuilder.Capacity,
Arguments: IntPtr.Zero);
if (nChars == 0)
{
formatError = (uint)Marshal.GetLastWin32Error();
}
else
{
msg = outStringBuilder.ToString();
if (msg.EndsWith(Environment.NewLine, StringComparison.Ordinal))
{
msg = msg.Substring(0, msg.Length - 2);
}
}
}
finally
{
FreeLibrary(moduleHandle);
}
return formatError;
}
public static ResourceManager GetResourceManager()
{
return new ResourceManager("Microsoft.PowerShell.Commands.Diagnostics.resources.GetEventResources", typeof(CommonUtilities).GetTypeInfo().Assembly);
}
}
}
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