ProcessorInfo - progtips

ソースコード

#include "stdafx.h"


struct ProcessorInfo
{
        unsigned int processors;
        unsigned int architecture;
        unsigned int type;
        unsigned int level;
        unsigned int revision;

        bool operator()(void);
};


/* XP以降に対応 */
bool ProcessorInfo::operator()(void)
{
        this->architecture = 0;
        this->level        = 0;
        this->processors   = 0;
        this->revision     = 0;
        this->type         = 0;

        HMODULE dll = ::LoadLibrary(_T("kernel32.dll"));
        if (dll==NULL)
        {
                return false;
        }

        typedef void (CALLBACK* GetNativeSystemInfoAPI)(LPSYSTEM_INFO);
        GetNativeSystemInfoAPI api = (GetNativeSystemInfoAPI)::GetProcAddress(dll,"GetNativeSystemInfo");
        if (api==NULL)
        {
                ::FreeLibrary(dll);
                return false;
        }

        SYSTEM_INFO     inf={0};
        api(&inf);
        ::FreeLibrary(dll);

        this->architecture = inf.wProcessorArchitecture;
        this->level        = inf.wProcessorLevel;
        this->processors   = inf.dwNumberOfProcessors;
        this->revision     = inf.wProcessorRevision;
        this->type         = inf.dwProcessorType;
        return true;
}





int WINAPI WinMain(HINSTANCE,HINSTANCE,LPSTR,int)
{
        ProcessorInfo pinf;
        
        if (pinf())
        {
                wchar_t buffer[1000];
                swprintf_s(buffer, 1000, L"%d Core, Type:%d",
                                pinf.processors,
                                pinf.type);
                ::MessageBox(NULL, buffer, _T(""), MB_OK);
        }
        else
        {
                ::MessageBox(NULL, _T("取得に失敗しました"), _T(""), MB_OK);
        }

        return 0;
}