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added sample project
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8 files changed

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‎example/DllLoader/DllLoader.cpp‎

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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <stdio.h>
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#include <malloc.h>
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#include "../../MemoryModule.h"
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typedef int (*addNumberProc)(int, int);
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#define DLL_FILE "..\\..\\SampleDLL\\Debug\\SampleDLL.dll"
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void LoadFromFile(void)
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{
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addNumberProc addNumber;
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HINSTANCE handle = LoadLibrary(DLL_FILE);
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if (handle == INVALID_HANDLE_VALUE)
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return;
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addNumber = (addNumberProc)GetProcAddress(handle, "addNumbers");
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printf("From file: %d\n", addNumber(1, 2));
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FreeLibrary(handle);
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}
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void LoadFromMemory(void)
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{
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FILE *fp;
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unsigned char *data=NULL;
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size_t size;
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HMEMORYMODULE module;
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addNumberProc addNumber;
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fp = fopen(DLL_FILE, "rb");
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if (fp == NULL)
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{
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printf("Can't open DLL file \"%s\".", DLL_FILE);
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goto exit;
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}
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fseek(fp, 0, SEEK_END);
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size = ftell(fp);
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data = (unsigned char *)malloc(size);
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fseek(fp, 0, SEEK_SET);
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fread(data, 1, size, fp);
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fclose(fp);
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module = MemoryLoadLibrary(data, size);
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if (module == NULL)
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{
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printf("Can't load library from memory.\n");
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goto exit;
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}
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addNumber = (addNumberProc)MemoryGetProcAddress(module, "addNumbers");
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printf("From memory: %d\n", addNumber(1, 2));
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MemoryFreeLibrary(module);
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exit:
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if (data)
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free(data);
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}
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int main(int argc, char* argv[])
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{
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LoadFromFile();
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printf("\n\n");
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LoadFromMemory();
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return 0;
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}
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‎example/DllLoader/DllLoader.vcproj‎

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<?xml version="1.0" encoding="Windows-1252"?>
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<VisualStudioProject
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ProjectType="Visual C++"
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Version="7.10"
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Name="DllLoader"
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ProjectGUID="{D0226BB5-3A02-4C91-893A-F36567AED5C5}"
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Keyword="Win32Proj">
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<Platforms>
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<Platform
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Name="Win32"/>
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</Platforms>
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<Configurations>
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<Configuration
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Name="Debug|Win32"
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OutputDirectory="Debug"
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IntermediateDirectory="Debug"
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ConfigurationType="1"
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CharacterSet="2">
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<Tool
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Name="VCCLCompilerTool"
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Optimization="0"
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PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
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MinimalRebuild="TRUE"
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BasicRuntimeChecks="3"
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RuntimeLibrary="5"
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UsePrecompiledHeader="0"
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WarningLevel="3"
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Detect64BitPortabilityProblems="TRUE"
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DebugInformationFormat="4"/>
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<Tool
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Name="VCCustomBuildTool"/>
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<Tool
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Name="VCLinkerTool"
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OutputFile="$(OutDir)/DllLoader.exe"
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LinkIncremental="2"
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GenerateDebugInformation="TRUE"
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ProgramDatabaseFile="$(OutDir)/DllLoader.pdb"
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SubSystem="1"
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TargetMachine="1"/>
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<Tool
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Name="VCMIDLTool"/>
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<Tool
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Name="VCPostBuildEventTool"/>
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<Tool
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Name="VCPreBuildEventTool"/>
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<Tool
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Name="VCPreLinkEventTool"/>
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<Tool
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Name="VCResourceCompilerTool"/>
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<Tool
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Name="VCWebServiceProxyGeneratorTool"/>
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<Tool
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Name="VCXMLDataGeneratorTool"/>
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<Tool
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Name="VCWebDeploymentTool"/>
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<Tool
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Name="VCManagedWrapperGeneratorTool"/>
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<Tool
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Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
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</Configuration>
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<Configuration
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Name="Release|Win32"
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OutputDirectory="Release"
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IntermediateDirectory="Release"
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ConfigurationType="1"
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CharacterSet="2">
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<Tool
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Name="VCCLCompilerTool"
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PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
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RuntimeLibrary="4"
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UsePrecompiledHeader="0"
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WarningLevel="3"
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Detect64BitPortabilityProblems="TRUE"
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DebugInformationFormat="3"/>
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<Tool
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Name="VCCustomBuildTool"/>
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<Tool
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Name="VCLinkerTool"
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OutputFile="$(OutDir)/DllLoader.exe"
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LinkIncremental="1"
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GenerateDebugInformation="TRUE"
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SubSystem="1"
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OptimizeReferences="2"
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EnableCOMDATFolding="2"
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TargetMachine="1"/>
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<Tool
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Name="VCMIDLTool"/>
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<Tool
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Name="VCPostBuildEventTool"/>
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<Tool
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Name="VCPreBuildEventTool"/>
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<Tool
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Name="VCPreLinkEventTool"/>
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<Tool
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Name="VCResourceCompilerTool"/>
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<Tool
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Name="VCWebServiceProxyGeneratorTool"/>
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<Tool
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Name="VCXMLDataGeneratorTool"/>
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<Tool
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Name="VCWebDeploymentTool"/>
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<Tool
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Name="VCManagedWrapperGeneratorTool"/>
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<Tool
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Name="VCAuxiliaryManagedWrapperGeneratorTool"/>
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</Configuration>
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</Configurations>
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<References>
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</References>
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<Files>
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<Filter
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Name="Quelldateien"
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Filter="cpp;c;cxx;def;odl;idl;hpj;bat;asm;asmx"
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UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}">
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<File
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RelativePath=".\DllLoader.cpp">
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</File>
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<File
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RelativePath="..\..\MemoryModule.c">
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</File>
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</Filter>
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<Filter
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Name="Headerdateien"
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Filter="h;hpp;hxx;hm;inl;inc;xsd"
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UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}">
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<File
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RelativePath="..\..\MemoryModule.h">
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</File>
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</Filter>
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<Filter
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Name="Ressourcendateien"
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Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx"
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UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}">
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</Filter>
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</Files>
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<Globals>
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</Globals>
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</VisualStudioProject>

‎example/DllMemory.ncb‎

67 KB
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‎example/DllMemory.sln‎

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Microsoft Visual Studio Solution File, Format Version 8.00
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SampleDLL", "SampleDLL\SampleDLL.vcproj", "{B293DAC4-5BCA-4413-9B7B-92CB56459875}"
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ProjectSection(ProjectDependencies) = postProject
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{D0226BB5-3A02-4C91-893A-F36567AED5C5} = {D0226BB5-3A02-4C91-893A-F36567AED5C5}
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EndProjectSection
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EndProject
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DllLoader", "DllLoader\DllLoader.vcproj", "{D0226BB5-3A02-4C91-893A-F36567AED5C5}"
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ProjectSection(ProjectDependencies) = postProject
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EndProjectSection
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EndProject
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Global
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GlobalSection(SolutionConfiguration) = preSolution
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Debug = Debug
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Release = Release
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EndGlobalSection
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GlobalSection(ProjectConfiguration) = postSolution
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{B293DAC4-5BCA-4413-9B7B-92CB56459875}.Debug.ActiveCfg = Debug|Win32
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{B293DAC4-5BCA-4413-9B7B-92CB56459875}.Debug.Build.0 = Debug|Win32
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{B293DAC4-5BCA-4413-9B7B-92CB56459875}.Release.ActiveCfg = Release|Win32
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{B293DAC4-5BCA-4413-9B7B-92CB56459875}.Release.Build.0 = Release|Win32
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{D0226BB5-3A02-4C91-893A-F36567AED5C5}.Debug.ActiveCfg = Debug|Win32
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{D0226BB5-3A02-4C91-893A-F36567AED5C5}.Debug.Build.0 = Debug|Win32
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{D0226BB5-3A02-4C91-893A-F36567AED5C5}.Release.ActiveCfg = Release|Win32
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{D0226BB5-3A02-4C91-893A-F36567AED5C5}.Release.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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EndGlobalSection
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GlobalSection(ExtensibilityAddIns) = postSolution
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EndGlobalSection
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EndGlobal

‎example/DllMemory.suo‎

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‎example/SampleDLL/SampleDLL.cpp‎

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#include "SampleDLL.h"
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extern "C" {
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SAMPLEDLL_API int addNumbers(int a, int b)
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{
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return a + b;
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}
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}

‎example/SampleDLL/SampleDLL.h‎

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extern "C" {
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#ifdef SAMPLEDLL_EXPORTS
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#define SAMPLEDLL_API __declspec(dllexport)
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#else
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#define SAMPLEDLL_API __declspec(dllimport)
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#endif
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SAMPLEDLL_API int addNumbers(int a, int b);
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}

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