word型转换
SYSTEMTIME tm; GetLocalTime(&tm);
HKEY hKey;
RegCreateKey(HKEY_LOCAL_MACHINE,"Software\\SubKey",&hKey);
RegSetValueEx(hKey,"NameOfValue",0,REG_DWORD,(CONST BYTE*)&tm.wDay,4);
RegCloseKey(hKey);
DWORD d;
d=(DWORD)tm.wDay;
RegSetValueEx(hKey,"NameOfValue",0,REG_DWORD,(CONST BYTE*)&d,4);