ModuleInitializer.cs

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#pragma warning disable 1587
#pragma warning restore 1587
 
using System;
using System.IO;
using System.Reflection;
using System.Runtime.CompilerServices;
 
namespace CalcApp
{
    internal static class ModuleInitializer
    {
        [ModuleInitializer]
        public static void Initialize()
        {
            AppDomain.CurrentDomain.AssemblyResolve += OnAssemblyResolve;
        }

        private static Assembly OnAssemblyResolve(object sender, ResolveEventArgs args)
        {
            var assemblyName = new AssemblyName(args.Name);
            var dllName = assemblyName.Name + ".dll";
 
            // 環境変数名とパス区切り文字をプラットフォームに応じて決定
            string libraryPathEnv;
            char pathSeparator;
 
            if (Environment.OSVersion.Platform == PlatformID.Win32NT)
            {
                libraryPathEnv = "PATH";
                pathSeparator = ';';
            }
            else
            {
                libraryPathEnv = "LD_LIBRARY_PATH";
                pathSeparator = ':';
            }
 
            // 環境変数を取得
            var libraryPath = Environment.GetEnvironmentVariable(libraryPathEnv);
            if (string.IsNullOrEmpty(libraryPath))
            {
                return null;
            }
 
            // 各パスを探索
            var paths = libraryPath.Split(pathSeparator, StringSplitOptions.RemoveEmptyEntries);
            foreach (var path in paths)
            {
                var assemblyPath = Path.Combine(path.Trim(), dllName);
                if (File.Exists(assemblyPath))
                {
                    return Assembly.LoadFrom(assemblyPath);
                }
            }
 
            return null;
        }
    }
}