MegaBites-AI/Windows-powershell

1// Copyright (c) Microsoft Corporation.2// Licensed under the MIT License.3 4using System;5using System.Diagnostics;6using System.Reflection;7using System.Resources;8using System.Runtime.InteropServices;9using System.Text;10 11namespace Microsoft.PowerShell.Commands.Diagnostics.Common12{13    internal static class CommonUtilities14    {15        private const string LibraryLoadDllName = "api-ms-win-core-libraryloader-l1-2-0.dll";16        private const string LocalizationDllName = "api-ms-win-core-localization-l1-2-1.dll";17 18        private const uint FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200;19        private const uint FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000;20        private const uint LOAD_LIBRARY_AS_DATAFILE = 0x00000002;21        private const uint FORMAT_MESSAGE_FROM_HMODULE = 0x00000800;22 23        [DllImport(LocalizationDllName, SetLastError = true, CharSet = CharSet.Unicode)]24        private static extern uint FormatMessage(uint dwFlags, IntPtr lpSource,25           uint dwMessageId, uint dwLanguageId,26           [MarshalAs(UnmanagedType.LPWStr)]27           StringBuilder lpBuffer,28           uint nSize, IntPtr Arguments);29 30        [DllImport(LibraryLoadDllName, SetLastError = true, CharSet = CharSet.Unicode)]31        private static extern IntPtr LoadLibraryEx(32            [MarshalAs(UnmanagedType.LPWStr)] string lpFileName,33            IntPtr hFile,34            uint dwFlags35            );36 37        [DllImport(LibraryLoadDllName)]38        private static extern bool FreeLibrary(IntPtr hModule);39 40        [DllImport(LocalizationDllName, EntryPoint = "GetUserDefaultLangID", CallingConvention = CallingConvention.Winapi, SetLastError = true)]41        private static extern ushort GetUserDefaultLangID();42 43        public static uint FormatMessageFromModule(uint lastError, string moduleName, out string msg)44        {45            Debug.Assert(!string.IsNullOrEmpty(moduleName));46 47            uint formatError = 0;48            msg = string.Empty;49 50            IntPtr moduleHandle = LoadLibraryEx(moduleName, IntPtr.Zero, LOAD_LIBRARY_AS_DATAFILE);51            if (moduleHandle == IntPtr.Zero)52            {53                return (uint)Marshal.GetLastWin32Error();54            }55 56            try57            {58                uint LANGID = (uint)GetUserDefaultLangID();59                uint langError = (uint)Marshal.GetLastWin32Error();60                if (langError != 0)61                {62                    LANGID = 0; // neutral63                }64 65                StringBuilder outStringBuilder = new(1024);66                uint nChars = FormatMessage(67                    dwFlags: FORMAT_MESSAGE_IGNORE_INSERTS | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_FROM_HMODULE,68                    lpSource: moduleHandle,69                    dwMessageId: lastError,70                    dwLanguageId: LANGID,71                    lpBuffer: outStringBuilder,72                    nSize: (uint)outStringBuilder.Capacity,73                    Arguments: IntPtr.Zero);74 75                if (nChars == 0)76                {77                    formatError = (uint)Marshal.GetLastWin32Error();78                }79                else80                {81                    msg = outStringBuilder.ToString();82                    if (msg.EndsWith(Environment.NewLine, StringComparison.Ordinal))83                    {84                        msg = msg.Substring(0, msg.Length - 2);85                    }86                }87            }88            finally89            {90                FreeLibrary(moduleHandle);91            }92            return formatError;93        }94 95        public static ResourceManager GetResourceManager()96        {97            return new ResourceManager("Microsoft.PowerShell.Commands.Diagnostics.resources.GetEventResources", typeof(CommonUtilities).GetTypeInfo().Assembly);98        }99    }100}101