첨부 실행 코드는 나눔고딕코딩 폰트를 사용합니다.
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TestProject.zip
다운로드

[TestLibrary 프로젝트]

▶ ICLR4Support.cs

namespace TestLibrary
{
    /// <summary>
    /// CLR 4.0 지원 인터페이스
    /// </summary>
    public interface ICLR4Support
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method

        #region 관리 여부 구하기 - IsManaged(filePath)

        /// <summary>
        /// 관리 여부 구하기
        /// </summary>
        /// <param name="filePath">파일 경로</param>
        /// <returns>관리 여부</returns>
        bool IsManaged(string filePath);

        #endregion
    }
}

 

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▶ DLLHelper.cs

using Microsoft.CSharp;
using System;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.Reflection;
using System.Runtime.InteropServices;

namespace TestLibrary
{
    /// <summary>
    /// DLL 헬퍼
    /// </summary>
    public class DLLHelper
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// CLR 4.0 지원 객체
        /// </summary>
        private static ICLR4Support _clr4Support;

        /// <summary>
        /// 동기 객체
        /// </summary>
        private static object _syncObject = new object();

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region CLR 4.0 지원 객체 - CLR4Support

        /// <summary>
        /// CLR 4.0 지원 객체
        /// </summary>
        private static ICLR4Support CLR4Support
        {
            get
            {
                if(_clr4Support == null)
                {
                    lock(_syncObject)
                    {
                        if(_clr4Support == null)
                        {
                            Dictionary<string, string> optionDictionary = new Dictionary<string, string> 
                            {  
                                { "CompilerVersion", "v4.0" } 
                            };

                            CSharpCodeProvider provider = new CSharpCodeProvider(optionDictionary);

                            CompilerParameters parameters = new CompilerParameters();

                            parameters.GenerateExecutable = false;
                            parameters.GenerateInMemory   = true;

                            parameters.ReferencedAssemblies.Add(typeof(DLLHelper).Assembly.Location);

                            string classText =
                                "using System.Reflection;"                                              + Environment.NewLine +
                                "using TestLibrary;"                                                    + Environment.NewLine +
                                "class CLR4Support : ICLR4Support"                                      + Environment.NewLine +
                                "{"                                                                     + Environment.NewLine +
                                "    public bool IsManaged(string filePath)"                            + Environment.NewLine +
                                "    {"                                                                 + Environment.NewLine +
                                "        try"                                                           + Environment.NewLine +
                                "        {"                                                             + Environment.NewLine +
                                "            return Assembly.ReflectionOnlyLoadFrom(filePath) != null;" + Environment.NewLine +
                                "        }"                                                             + Environment.NewLine +
                                "        catch"                                                         + Environment.NewLine +
                                "        {"                                                             + Environment.NewLine +
                                "            return false;"                                             + Environment.NewLine +
                                "        }"                                                             + Environment.NewLine +
                                "    }"                                                                 + Environment.NewLine +
                                "}";

                            CompilerResults results = null;

                            try
                            {
                                results = provider.CompileAssemblyFromSource(parameters, classText);
                            }
                            catch
                            {
                                return null;
                            }

                            if(results.Errors.Count > 0)
                            {
                                Console.WriteLine("Errors building into {0}", results.PathToAssembly);

                                foreach(CompilerError error in results.Errors)
                                {
                                    Console.WriteLine("    {0}", error.ToString());
                                    Console.WriteLine();
                                }
                            }
                            else
                            {
                                Type clr4SupportType = results.CompiledAssembly.GetType("CLR4Support");

                                ConstructorInfo constructorInfo = clr4SupportType.GetConstructor(Type.EmptyTypes);

                                _clr4Support = constructorInfo.Invoke(new object[] { }) as ICLR4Support;
                            }
                        }
                    }
                }

                return _clr4Support;
            }
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Property
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 관리 여부 구하기 - IsManaged(filePath)

        /// <summary>
        /// 관리 여부 구하기
        /// </summary>
        /// <param name="filePath">파일 경로</param>
        /// <returns>관리 여부</returns>
        public static bool IsManaged(string filePath)
        {
            try
            {
                return Assembly.ReflectionOnlyLoadFrom(filePath) != null;
            }
            catch(Exception exception)
            {
                int resultHandle = Marshal.GetHRForException(exception);

                if(resultHandle == unchecked((int)0x8013101b))
                {
                    if(CLR4Support != null)
                    {
                        return CLR4Support.IsManaged(filePath);
                    }
                }

                return false;
            }
        }

        #endregion
    }
}

 

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[TestProject 프로젝트]

▶ Program.cs

using System;
using System.IO;

using TestLibrary;

namespace TestProject
{
    /// <summary>
    /// 프로그램
    /// </summary>
    class Program
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Static
        //////////////////////////////////////////////////////////////////////////////// Private

        #region 프로그램 시작하기 - Main()

        /// <summary>
        /// 프로그램 시작하기
        /// </summary>
        private static void Main()
        {
            Console.Title = "관리 DLL 여부 구하기";

            string workingDirectoryPath = Path.GetDirectoryName(typeof(Program).Assembly.Location);

            Console.WriteLine("닷넷 4.0 DLL : " + DLLHelper.IsManaged(Path.Combine(workingDirectoryPath, "net40.dll" )));
            Console.WriteLine("닷넷 2.0 DLL : " + DLLHelper.IsManaged(Path.Combine(workingDirectoryPath, "net20.dll" )));
            Console.WriteLine("네이티브 DLL : " + DLLHelper.IsManaged(Path.Combine(workingDirectoryPath, "native.dll")));
        }

        #endregion
    }
}
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