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Runtime Generated WCF Service Exposing .NET or COM Types

, 24 Apr 2008 CPOL
A WCF service wrapper is generated at runtime around a .NET or COM type to expose its interface.
runtimegen_wcf_service_expnetcom_demo.zip
ConsoleClient.exe
DummyComInterop.exe
ServiceHostContainer.exe
ComponentCom.dll
ComponentNet.dll
ComponentNetBase.dll
ComponetNetBase2.dll
Interop.ComponentComLib.dll
WcfServiceHost.dll
runtimegen_wcf_service_expnetcom_src.zip
ConsoleClient
Properties
Service References
Class1
configuration.svcinfo
Reference.svcmap
service.wsdl
Class1_PerCall
configuration.svcinfo
Reference.svcmap
service.wsdl
Class2
configuration.svcinfo
Reference.svcmap
service.wsdl
Class2_PerCall
configuration.svcinfo
Reference.svcmap
service.wsdl
DummyComInterop
Properties
ServiceHostContainer
Properties
WcfServiceHost
Properties
WcfServiceHost.csproj.user
ComponentCom
Class2.rgs
ComponentCom.def
ComponentCom.rgs
ComponentCom.vcproj.vspscc
ComponentComps.def
ComponentNet
Properties
ComponentNetBase
Properties
ComponetNetBase2
Properties
// ComponentCom.cpp : Implementation of DLL Exports.


#include "stdafx.h"
#include "resource.h"
#include "ComponentCom_i.h"
#include "dllmain.h"

// Used to determine whether the DLL can be unloaded by OLE
STDAPI DllCanUnloadNow(void)
{
    return _AtlModule.DllCanUnloadNow();
}


// Returns a class factory to create an object of the requested type
STDAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID* ppv)
{
    return _AtlModule.DllGetClassObject(rclsid, riid, ppv);
}


// DllRegisterServer - Adds entries to the system registry
STDAPI DllRegisterServer(void)
{
    // registers object, typelib and all interfaces in typelib
    HRESULT hr = _AtlModule.DllRegisterServer();
	return hr;
}


// DllUnregisterServer - Removes entries from the system registry
STDAPI DllUnregisterServer(void)
{
	HRESULT hr = _AtlModule.DllUnregisterServer();
	return hr;
}

// DllInstall - Adds/Removes entries to the system registry per user
//              per machine.	
STDAPI DllInstall(BOOL bInstall, LPCWSTR pszCmdLine)
{
    HRESULT hr = E_FAIL;
    static const wchar_t szUserSwitch[] = _T("user");

    if (pszCmdLine != NULL)
    {
    	if (_wcsnicmp(pszCmdLine, szUserSwitch, _countof(szUserSwitch)) == 0)
    	{
    		AtlSetPerUserRegistration(true);
    	}
    }

    if (bInstall)
    {	
    	hr = DllRegisterServer();
    	if (FAILED(hr))
    	{	
    		DllUnregisterServer();
    	}
    }
    else
    {
    	hr = DllUnregisterServer();
    }

    return hr;
}


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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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About the Author

Igor Ladnik
Architect
Israel Israel


  • Nov 2010: Code Project Contests - Windows Azure Apps - Winner
  • Feb 2011: Code Project Contests - Windows Azure Apps - Grand Prize Winner

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Web04 | 2.8.150327.1 | Last Updated 24 Apr 2008
Article Copyright 2008 by Igor Ladnik
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