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Professional System Library: Introduction

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22 Nov 2010CPOL14 min read 193.9K   3.4K   232  
A simplified and unified way for accessing most frequently used information about Process, System, and Environment.
// PSLOS.cpp : Implementation of CPSLOS

#include "stdafx.h"
#include "PSLOS.h"
#include "shlobj.h"

CPSLOS::CPSLOS()
{
	m_bIs64Bit = false;
	CRegKey key;
	if(key.Open(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\Wow6432Node"), KEY_READ) == ERROR_SUCCESS)
	{
		m_bIs64Bit = true;
		key.Close();
	}

	m_sProductName = _T("");
	m_sProductId = _T("");
	if(key.Open(HKEY_LOCAL_MACHINE, _T("SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion"), KEY_READ) == ERROR_SUCCESS)
	{
		TCHAR buffer[128];
		ULONG nChars = 128;
		if(key.QueryStringValue(_T("ProductName"), buffer, &nChars) == ERROR_SUCCESS)
			m_sProductName = buffer;
		nChars = 128;
		if(key.QueryStringValue(_T("ProductId"), buffer, &nChars) == ERROR_SUCCESS)
			m_sProductId = buffer;
		key.Close();
	}
}

HRESULT CPSLOS::FinalConstruct()
{
	return S_OK;
}

void CPSLOS::FinalRelease()
{
}

////////////////////////////////////////////////////////////////////////
// Interface Implementation;
////////////////////////////////////////////////////////////////////////

STDMETHODIMP CPSLOS::get_Is64Bit(VARIANT_BOOL * pValue)
{
	PSL_BEGIN

	*pValue = m_bIs64Bit?VARIANT_TRUE:VARIANT_FALSE;

	PSL_END
}

STDMETHODIMP CPSLOS::get_Version(IPSLOSVersion ** ppValue)
{
	PSL_BEGIN

	*ppValue = m_Version;

	PSL_END
}

STDMETHODIMP CPSLOS::get_AffinityMask(VARIANT * pValue)
{
	PSL_BEGIN

	CPSLUtilities::SetVariantBig(pValue, 0);

	DWORD_PTR ProcessAffinityMask = 0;
	DWORD_PTR SystemAffinityMask = 0;
	if(::GetProcessAffinityMask(::GetCurrentProcess(), &ProcessAffinityMask, &SystemAffinityMask))
		CPSLUtilities::SetVariantBig(pValue, SystemAffinityMask);

	PSL_END
}

STDMETHODIMP CPSLOS::get_ProductName(BSTR * pValue)
{
	PSL_BEGIN

	*pValue = m_sProductName.copy();

	PSL_END
}

STDMETHODIMP CPSLOS::get_ProductId(BSTR * pValue)
{
	PSL_BEGIN

	*pValue = m_sProductId.copy();

	PSL_END
}

STDMETHODIMP CPSLOS::get_Memory(IPSLMemory ** ppValue)
{
	PSL_BEGIN

	*ppValue = m_Memory;
	
	PSL_END
}

STDMETHODIMP CPSLOS::GetSpecialFolder(PSLSpecialFolder Folder, BSTR * pValue)
{
	PSL_BEGIN

	tstring path;
	path.resize(MAX_FILE_PATH);
	if(::SHGetFolderPath(NULL, Folder, NULL, SHGFP_TYPE_CURRENT, (LPTSTR)path.c_str()) == S_OK)
		*pValue = ::SysAllocString(path.c_str());
	else
		*pValue = ::SysAllocString(_T(""));

	PSL_END
}

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License

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


Written By
Software Developer (Senior) Sibedge IT
Ireland Ireland
My online CV: cv.vitalytomilov.com

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