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// SampleMft0.cpp : Implementation of DLL Exports.


#include "stdafx.h"
#include "resource.h"
#include "SampleMft0.h"
#include "dllmain.h"


// Used to determine whether the DLL can be unloaded by OLE.
STDAPI DllCanUnloadNow(void)
{
#ifdef _MERGE_PROXYSTUB
    HRESULT hr = PrxDllCanUnloadNow();
    if (hr != S_OK)
        return hr;
#endif
    return _AtlModule.DllCanUnloadNow();
}

// Returns a class factory to create an object of the requested type.
STDAPI DllGetClassObject(_In_ REFCLSID rclsid, _In_ REFIID riid, _Outptr_ LPVOID* ppv)
{
#ifdef _MERGE_PROXYSTUB
    if (PrxDllGetClassObject(rclsid, riid, ppv) == S_OK)
        return S_OK;
#endif
    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();
#ifdef _MERGE_PROXYSTUB
    if (FAILED(hr))
        return hr;
    hr = PrxDllRegisterServer();
#endif
    return hr;
}

// DllUnregisterServer - Removes entries from the system registry.
STDAPI DllUnregisterServer(void)
{
    HRESULT hr = _AtlModule.DllUnregisterServer();
#ifdef _MERGE_PROXYSTUB
    if (FAILED(hr))
        return hr;
    hr = PrxDllRegisterServer();
    if (FAILED(hr))
        return hr;
    hr = PrxDllUnregisterServer();
#endif
    return hr;
}

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


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

    return hr;
}