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

nkrscorpio

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10 Mar 2009CPOL

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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_VBNET.xml
    - Client_Win32Console.exe
    - Client_Win32Console.ilk
    - SHAREDMEM.dll
    - SHAREDMEM.exp
    - SHAREDMEM.ilk
    - SHAREDMEM.lib
  - CSharpConsumer
    - bin
      - Debug
        
        WindowsFormsApplication1.exe
    - Client_CSharp.csproj
    - Form1.cs
    - Form1.Designer.cs
    - Form1.resx
    - Program.cs
    - Properties
  - sharedmem.sln
  - SHAREDMEM
    - dllmain.cpp
    - module.def
    - ReadMe.txt
    - Release
      - BuildLog.htm
      - mt.dep
      - sharedmem.dll.intermediate.manifest
      - sharedmem.pch
      - vc90.idb
    - sharedmem.cpp
    - sharedmem.h
    - sharedmem.vcproj
    - sharedmem.vcproj.Pranav-PC.Pranav.user
    - stdafx.cpp
    - stdafx.h
    - targetver.h
  - UnmanagedConsumer
    - ReadMe.txt
    - Release
      - BuildLog.htm
      - mt.dep
      - Test1.exe.intermediate.manifest
      - vc90.idb
    - stdafx.cpp
    - stdafx.h
    - targetver.h
    - Test1.cpp
    - Test1.vcproj
    - Test1.vcproj.Pranav-PC.Pranav.user
  - VBNETConsumer
    - bin
    - Client_VBNET.vbproj
    - Form1.Designer.vb
    - Form1.resx
    - Form1.vb
    - My Project
      - Application.Designer.vb
      - Application.myapp
      - AssemblyInfo.vb
      - Resources.Designer.vb
      - Resources.resx
      - Settings.Designer.vb
      - Settings.settings

Imports System
Imports System.Reflection
Imports System.Runtime.InteropServices

' General Information about an assembly is controlled through the following 
' set of attributes. Change these attribute values to modify the information
' associated with an assembly.

' Review the values of the assembly attributes

<Assembly: AssemblyTitle("VBNETTestApp")> 
<Assembly: AssemblyDescription("")> 
<Assembly: AssemblyCompany("Toshiba")> 
<Assembly: AssemblyProduct("VBNETTestApp")> 
<Assembly: AssemblyCopyright("Copyright © Toshiba 2008")> 
<Assembly: AssemblyTrademark("")> 

<Assembly: ComVisible(False)>

'The following GUID is for the ID of the typelib if this project is exposed to COM
<Assembly: Guid("5383e49e-2623-44fd-9ee8-37e4d96b811a")> 

' Version information for an assembly consists of the following four values:
'
'      Major Version
'      Minor Version 
'      Build Number
'      Revision
'
' You can specify all the values or you can default the Build and Revision Numbers 
' by using the '*' as shown below:
' <Assembly: AssemblyVersion("1.0.*")> 

<Assembly: AssemblyVersion("1.0.0.0")> 
<Assembly: AssemblyFileVersion("1.0.0.0")>

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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nkrscorpio

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United States

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

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