獲取作業系統是32還是64位
阿新 • • 發佈:2018-11-14
// 安全的取得真實系統資訊 VOID SafeGetNativeSystemInfo(__out LPSYSTEM_INFO lpSystemInfo) { if (NULL==lpSystemInfo) return; typedef VOID (WINAPI *LPFN_GetNativeSystemInfo)(LPSYSTEM_INFO lpSystemInfo); LPFN_GetNativeSystemInfo fnGetNativeSystemInfo = (LPFN_GetNativeSystemInfo)GetProcAddress( GetModuleHandle(_T("kernel32")), "GetNativeSystemInfo");; if (NULL != fnGetNativeSystemInfo) { fnGetNativeSystemInfo(lpSystemInfo); } else { GetSystemInfo(lpSystemInfo); } } // 獲取作業系統位數 int GetSystemBits() { SYSTEM_INFO si; SafeGetNativeSystemInfo(&si); if (si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 || si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 ) { return 64; } return 32; }