D:/opendownloadmanager/ODM-1.x/vistafx/VistaFx.h

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/*
  Free Download Manager Copyright (c) 2003-2007 FreeDownloadManager.ORG
*/

#ifndef __VISTA_FX_H_
#define __VISTA_FX_H_

class VistaFx
{
public:
        BOOL LoadDll (LPCSTR pszFileName) {
                if (m_hDll)
                        return TRUE;
                m_hDll = LoadLibrary (pszFileName);
                return m_hDll != NULL;
        }

        BOOL IsProcessElevated () {
                typedef BOOL (*FNIPE)();
                FNIPE pfn = (FNIPE) GetProcAddress (m_hDll, "_IsProcessElevated");
                return pfn ? pfn () : FALSE;
        }

        BOOL RunNonElevatedProcess (LPCSTR pszPath, LPCSTR pszParameters, LPCSTR pszDirectory) {
                typedef BOOL (*FNRNEP)(LPCSTR, LPCSTR, LPCSTR);
                FNRNEP pfn = (FNRNEP) GetProcAddress (m_hDll, "_RunNonElevatedProcess");
                return pfn ? pfn (pszPath, pszParameters, pszDirectory) : FALSE;
        }

        static BOOL IsVista () {
                OSVERSIONINFO osver;
                osver.dwOSVersionInfoSize = sizeof (OSVERSIONINFO);
                return GetVersionEx (&osver) && osver.dwPlatformId == VER_PLATFORM_WIN32_NT && 
                        osver.dwMajorVersion == 6;
        }

        VistaFx () { m_hDll = NULL; }
        ~VistaFx () { if (m_hDll) FreeLibrary (m_hDll); m_hDll = NULL; }

protected:
        HMODULE m_hDll;

};

#endif 

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