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Finding Undisposed Objects

, 13 Aug 2009
An application to find undisposed objects in your .NET application.
Prize winner in Competition "Best C# article of July 2009"
// Undisposed.cpp : Implementation of DLL Exports.


#include "stdafx.h"
#include "resource.h"
#include "Undisposed_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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License

This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)

About the Author

S. Senthil Kumar
Software Developer Atmel R&D India Pvt. Ltd.
India India
I'm a 27 yrs old developer working with Atmel R&D India Pvt. Ltd., Chennai. I'm currently working in C# and C++, but I've done some Java programming as well. I was a Microsoft MVP in Visual C# from 2007 to 2009.
 
You can read My Blog here. I've also done some open source software - please visit my website to know more.

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