mirror of
https://github.com/claunia/libexeinfo.git
synced 2025-12-16 19:14:24 +00:00
Added support for DOS MZ executables.
This commit is contained in:
40
.gitignore
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40
.gitignore
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# Autosave files
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*~
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# build
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[Oo]bj/
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[Bb]in/
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packages/
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TestResults/
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# globs
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Makefile.in
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*.DS_Store
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*.sln.cache
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*.suo
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*.cache
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*.pidb
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*.userprefs
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*.usertasks
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config.log
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config.make
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config.status
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aclocal.m4
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install-sh
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autom4te.cache/
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*.user
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*.tar.gz
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tarballs/
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test-results/
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Thumbs.db
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# Mac bundle stuff
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*.dmg
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*.app
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# resharper
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*_Resharper.*
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*.Resharper
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# dotCover
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*.dotCover
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17
exeinfo.sln
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17
exeinfo.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio 2012
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "exeinfo", "exeinfo\exeinfo.csproj", "{504F0A15-25DC-42B1-81FE-BA22A8EF24B5}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x86 = Debug|x86
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{504F0A15-25DC-42B1-81FE-BA22A8EF24B5}.Debug|x86.ActiveCfg = Debug|x86
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{504F0A15-25DC-42B1-81FE-BA22A8EF24B5}.Debug|x86.Build.0 = Debug|x86
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{504F0A15-25DC-42B1-81FE-BA22A8EF24B5}.Release|x86.ActiveCfg = Release|x86
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{504F0A15-25DC-42B1-81FE-BA22A8EF24B5}.Release|x86.Build.0 = Release|x86
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EndGlobalSection
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EndGlobal
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64
exeinfo/MZ.cs
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64
exeinfo/MZ.cs
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using System;
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using System.Runtime.InteropServices;
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namespace exeinfo
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{
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public static class MZ
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{
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public const ushort Signature = 0x5A4D;
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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public struct Header
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{
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public ushort signature;
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public ushort bytes_in_last_block;
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public ushort blocks_in_file;
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public ushort num_relocs;
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public ushort header_paragraphs;
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public ushort min_extra_paragraphs;
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public ushort max_extra_paragraphs;
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public ushort ss;
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public ushort sp;
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public ushort checksum;
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public ushort ip;
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public ushort cs;
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public ushort reloc_table_offset;
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public ushort overlay_number;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
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public ushort[] reserved;
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public ushort oem_id;
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public ushort oem_info;
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[MarshalAs(UnmanagedType.ByValArray, SizeConst = 10)]
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public ushort[] reserved2;
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public uint new_offset;
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}
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[StructLayout(LayoutKind.Sequential, Pack = 1)]
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struct RelocationTableEntry
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{
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public ushort offset;
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public ushort segment;
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}
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public static void PrintInfo(Header header)
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{
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Console.WriteLine("DOS MZ executable:");
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Console.WriteLine("\tBlocks in file: {0}", header.blocks_in_file);
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Console.WriteLine("\t{0} bytes used in last block", header.bytes_in_last_block == 0 ? 512 : header.bytes_in_last_block);
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Console.WriteLine("\t{0} relocations present after the header", header.num_relocs);
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Console.WriteLine("\t{0} paragraphs in header", header.header_paragraphs);
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Console.WriteLine("\t{0} paragraphs of additional memory required", header.min_extra_paragraphs);
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Console.WriteLine("\t{0} paragraphs of additional memory requested", header.max_extra_paragraphs);
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Console.WriteLine("\tSegment address for SS: {0:X4}h", header.ss);
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Console.WriteLine("\tInitial value of SP: {0:X4}h", header.sp);
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Console.WriteLine("\tInitial value of IP: {0:X4}h", header.ip);
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Console.WriteLine("\tInitial value of CS: {0:X4}h", header.cs);
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Console.WriteLine("\tOffset to relocation table: {0}", header.reloc_table_offset);
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Console.WriteLine("\tFile contains {0} overlays", header.overlay_number);
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Console.WriteLine("\tFile checksum: 0x{0:X4}", header.checksum);
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Console.WriteLine("\tOEM ID: {0}", header.oem_id);
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Console.WriteLine("\tOEM information: 0x{0:X4}", header.oem_info);
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Console.WriteLine("\tOffset to new header: {0}", header.new_offset);
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}
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}
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}
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42
exeinfo/Program.cs
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42
exeinfo/Program.cs
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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namespace exeinfo
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{
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class MainClass
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{
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static MZ.Header mzHdr;
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public static void Main(string[] args)
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{
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if(args.Length != 1)
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{
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Console.WriteLine("exeinfo version 0.1 © 2017 Natalia Portillo");
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Console.WriteLine("Usage: exeinfo file.exe");
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return;
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}
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FileStream exeFs = File.Open(args[0], FileMode.Open, FileAccess.Read);
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bool recognized = false;
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byte[] buffer = new byte[Marshal.SizeOf(typeof(MZ.Header))];
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exeFs.Read(buffer, 0, buffer.Length);
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IntPtr hdrPtr = Marshal.AllocHGlobal(buffer.Length);
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Marshal.Copy(buffer, 0, hdrPtr, buffer.Length);
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mzHdr = (MZ.Header)Marshal.PtrToStructure(hdrPtr, typeof(MZ.Header));
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Marshal.FreeHGlobal(hdrPtr);
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if(mzHdr.signature == MZ.Signature)
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{
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recognized = true;
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MZ.PrintInfo(mzHdr);
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}
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if (!recognized)
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Console.WriteLine("Executalbe format not recognized");
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}
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}
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}
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26
exeinfo/Properties/AssemblyInfo.cs
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26
exeinfo/Properties/AssemblyInfo.cs
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using System.Reflection;
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using System.Runtime.CompilerServices;
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// Information about this assembly is defined by the following attributes.
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// Change them to the values specific to your project.
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[assembly: AssemblyTitle("exeinfo")]
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[assembly: AssemblyDescription("")]
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[assembly: AssemblyConfiguration("")]
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[assembly: AssemblyCompany("Claunia.com")]
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[assembly: AssemblyProduct("")]
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[assembly: AssemblyCopyright("Copyright © Claunia.com")]
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[assembly: AssemblyTrademark("")]
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[assembly: AssemblyCulture("")]
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// The assembly version has the format "{Major}.{Minor}.{Build}.{Revision}".
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// The form "{Major}.{Minor}.*" will automatically update the build and revision,
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// and "{Major}.{Minor}.{Build}.*" will update just the revision.
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[assembly: AssemblyVersion("1.0.*")]
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// The following attributes are used to specify the signing key for the assembly,
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// if desired. See the Mono documentation for more information about signing.
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//[assembly: AssemblyDelaySign(false)]
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//[assembly: AssemblyKeyFile("")]
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40
exeinfo/exeinfo.csproj
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40
exeinfo/exeinfo.csproj
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<PropertyGroup>
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<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
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<Platform Condition=" '$(Platform)' == '' ">x86</Platform>
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<ProjectGuid>{504F0A15-25DC-42B1-81FE-BA22A8EF24B5}</ProjectGuid>
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<OutputType>Exe</OutputType>
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<RootNamespace>exeinfo</RootNamespace>
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<AssemblyName>exeinfo</AssemblyName>
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<TargetFrameworkVersion>v4.6.1</TargetFrameworkVersion>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|x86' ">
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<DebugSymbols>true</DebugSymbols>
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<DebugType>full</DebugType>
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<Optimize>false</Optimize>
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<OutputPath>bin\Debug</OutputPath>
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<DefineConstants>DEBUG;</DefineConstants>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ExternalConsole>true</ExternalConsole>
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<PlatformTarget>x86</PlatformTarget>
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</PropertyGroup>
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<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|x86' ">
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<Optimize>true</Optimize>
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<OutputPath>bin\Release</OutputPath>
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<ErrorReport>prompt</ErrorReport>
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<WarningLevel>4</WarningLevel>
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<ExternalConsole>true</ExternalConsole>
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<PlatformTarget>x86</PlatformTarget>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="System" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="Program.cs" />
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<Compile Include="Properties\AssemblyInfo.cs" />
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<Compile Include="MZ.cs" />
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</ItemGroup>
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<Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
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</Project>
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