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How to do CreateFileMapping in a C++ DLL and access it in C#, VB and C++

, 10 Mar 2009
This is yet another example for memory mapped files. What is cool though is unlike other samples, I have a SetData(TCHAR* Key, TCHAR* value) / GetData(TCHAR* key) pattern here.
MMF_SetData_GetData.zip
tubelite
bin
Client_CSharp.exe
Client_CSharp.vshost.exe
Client_CSharp.vshost.exe.manifest
Client_VBNET.exe
Client_Win32Console.exe
Client_Win32Console.ilk
SHAREDMEM.dll
SHAREDMEM.exp
SHAREDMEM.ilk
SHAREDMEM.lib
CSharpConsumer
bin
Debug
WindowsFormsApplication1.exe
Properties
Settings.settings
SHAREDMEM
module.def
Release
mt.dep
sharedmem.dll.intermediate.manifest
sharedmem.pch
vc90.idb
sharedmem.vcproj.Pranav-PC.Pranav.user
UnmanagedConsumer
Release
mt.dep
Test1.exe.intermediate.manifest
vc90.idb
Test1.vcproj.Pranav-PC.Pranav.user
VBNETConsumer
bin
My Project
Application.myapp
Settings.settings
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
	ProjectType="Visual C++"
	Version="9.00"
	Name="Client_Win32Console"
	ProjectGUID="{37AE3DAA-81FC-425D-AB1A-D5385A742BB0}"
	RootNamespace="Test1"
	Keyword="Win32Proj"
	TargetFrameworkVersion="196613"
	>
	<Platforms>
		<Platform
			Name="Win32"
		/>
	</Platforms>
	<ToolFiles>
	</ToolFiles>
	<Configurations>
		<Configuration
			Name="Debug|Win32"
			OutputDirectory="..\..\tubelite\bin\"
			IntermediateDirectory="$(ConfigurationName)"
			ConfigurationType="1"
			CharacterSet="1"
			>
			<Tool
				Name="VCPreBuildEventTool"
			/>
			<Tool
				Name="VCCustomBuildTool"
			/>
			<Tool
				Name="VCXMLDataGeneratorTool"
			/>
			<Tool
				Name="VCWebServiceProxyGeneratorTool"
			/>
			<Tool
				Name="VCMIDLTool"
			/>
			<Tool
				Name="VCCLCompilerTool"
				Optimization="0"
				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE"
				MinimalRebuild="true"
				BasicRuntimeChecks="3"
				RuntimeLibrary="3"
				UsePrecompiledHeader="0"
				WarningLevel="3"
				DebugInformationFormat="4"
			/>
			<Tool
				Name="VCManagedResourceCompilerTool"
			/>
			<Tool
				Name="VCResourceCompilerTool"
			/>
			<Tool
				Name="VCPreLinkEventTool"
			/>
			<Tool
				Name="VCLinkerTool"
				LinkIncremental="2"
				GenerateDebugInformation="true"
				SubSystem="1"
				TargetMachine="1"
			/>
			<Tool
				Name="VCALinkTool"
			/>
			<Tool
				Name="VCManifestTool"
			/>
			<Tool
				Name="VCXDCMakeTool"
			/>
			<Tool
				Name="VCBscMakeTool"
			/>
			<Tool
				Name="VCFxCopTool"
			/>
			<Tool
				Name="VCAppVerifierTool"
			/>
			<Tool
				Name="VCPostBuildEventTool"
			/>
		</Configuration>
		<Configuration
			Name="Release|Win32"
			OutputDirectory="..\..\tubelite\bin\"
			IntermediateDirectory="$(ConfigurationName)"
			ConfigurationType="1"
			CharacterSet="1"
			WholeProgramOptimization="1"
			>
			<Tool
				Name="VCPreBuildEventTool"
			/>
			<Tool
				Name="VCCustomBuildTool"
			/>
			<Tool
				Name="VCXMLDataGeneratorTool"
			/>
			<Tool
				Name="VCWebServiceProxyGeneratorTool"
			/>
			<Tool
				Name="VCMIDLTool"
			/>
			<Tool
				Name="VCCLCompilerTool"
				Optimization="2"
				EnableIntrinsicFunctions="true"
				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE"
				RuntimeLibrary="2"
				EnableFunctionLevelLinking="true"
				UsePrecompiledHeader="0"
				WarningLevel="3"
				DebugInformationFormat="3"
			/>
			<Tool
				Name="VCManagedResourceCompilerTool"
			/>
			<Tool
				Name="VCResourceCompilerTool"
			/>
			<Tool
				Name="VCPreLinkEventTool"
			/>
			<Tool
				Name="VCLinkerTool"
				LinkIncremental="1"
				GenerateDebugInformation="true"
				SubSystem="1"
				OptimizeReferences="2"
				EnableCOMDATFolding="2"
				TargetMachine="1"
			/>
			<Tool
				Name="VCALinkTool"
			/>
			<Tool
				Name="VCManifestTool"
			/>
			<Tool
				Name="VCXDCMakeTool"
			/>
			<Tool
				Name="VCBscMakeTool"
			/>
			<Tool
				Name="VCFxCopTool"
			/>
			<Tool
				Name="VCAppVerifierTool"
			/>
			<Tool
				Name="VCPostBuildEventTool"
			/>
		</Configuration>
	</Configurations>
	<References>
	</References>
	<Files>
		<Filter
			Name="Source Files"
			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
			>
			<File
				RelativePath=".\stdafx.cpp"
				>
			</File>
			<File
				RelativePath=".\Test1.cpp"
				>
			</File>
		</Filter>
		<Filter
			Name="Header Files"
			Filter="h;hpp;hxx;hm;inl;inc;xsd"
			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
			>
			<File
				RelativePath=".\stdafx.h"
				>
			</File>
			<File
				RelativePath=".\targetver.h"
				>
			</File>
		</Filter>
		<Filter
			Name="Resource Files"
			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
			UniqueIdentifier="{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}"
			>
		</Filter>
	</Files>
	<Globals>
	</Globals>
</VisualStudioProject>

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About the Author

nkrscorpio
Software Developer
United States United States
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