OK - Win32：判断OS版本 是否联网

#include <Windows.h>#include <WinInet.h>#pragma comment(lib,"wininet.lib")bool IsWindow2000(){OSVERSIONINFO osif;osif.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);GetVersionEx(&osif);if(5 == osif.dwMajorVersion && 0 == osif.dwMinorVersion)return true;return false;}bool IsWindowXP(){OSVERSIONINFO osif;osif.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);GetVersionEx(&osif);if(5 == osif.dwMajorVersion && 1 == osif.dwMinorVersion)return true;return false;}bool IsWindowVista(){OSVERSIONINFO osif;osif.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);GetVersionEx(&osif);if(6 == osif.dwMajorVersion && 0 == osif.dwMinorVersion)return true;return false;}bool IsWindow7(){OSVERSIONINFO osif;osif.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);GetVersionEx(&osif);if(6 == osif.dwMajorVersion && 1 == osif.dwMinorVersion)return true;return false;}bool IsWindowVistaLatter(){OSVERSIONINFO osif;osif.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);GetVersionEx(&osif);if(6 == osif.dwMajorVersion)return true;return false;}bool IsWindow7Latter(){OSVERSIONINFO osif;osif.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);GetVersionEx(&osif);if(6 == osif.dwMajorVersion && osif.dwMinorVersion >= 1)return true;return false;}bool IsWindowServer(){OSVERSIONINFOEX osif;osif.dwOSVersionInfoSize = sizeof(osif);GetVersionEx((LPOSVERSIONINFOW)&osif);if(VER_NT_SERVER == osif.wProductType)return true;return false;}#ifndef PROCESSOR_ARCHITECTURE_AMD64#define PROCESSOR_ARCHITECTURE_AMD64 9#endifbool Is64Windows(){typedef void (_stdcall * PFNGetNativeSystemInfo)(LPSYSTEM_INFO lpSystemInfo);SYSTEM_INFO si = {0};PFNGetNativeSystemInfo pGNSI;pGNSI = (PFNGetNativeSystemInfo)GetProcAddress(GetModuleHandle(TEXT("kernel32.dll")),"GetNativeSystemInfo");if(NULL != pGNSI)pGNSI(&si);elseGetSystemInfo(&si);if(si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_IA64 || si.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)return true;return false;}bool IsHasInternetConnection(){DWORD dwFlag;if(!InternetGetConnectedState(&dwFlag,0))return false;if(dwFlag&INTERNET_CONNECTION_OFFLINE)return false;if( (dwFlag&INTERNET_CONNECTION_LAN) ||(dwFlag&INTERNET_CONNECTION_MODEM) ||(dwFlag&INTERNET_CONNECTION_PROXY))return true;return false;}