5是拒绝访问。。DWORD dw=30;
if(ERROR_SUCCESS==RegOpenKeyEx(HKEY_LOCAL_MACHINE,_T("SOFTWARE\\test"),0,KEY_READ,&hKey))
{
int i=RegSetValueEx(hKey,_T("age"),0,REG_DWORD,(CONST BYTE *)&dw,30);
RegCloseKey(hKey);
}
if(ERROR_SUCCESS==RegOpenKeyEx(HKEY_LOCAL_MACHINE,_T("SOFTWARE\\test"),0,KEY_READ,&hKey))
{
int i=RegSetValueEx(hKey,_T("age"),0,REG_DWORD,(CONST BYTE *)&dw,30);
RegCloseKey(hKey);
}
KEY_READ打开当然不能写了,要KEY_READ | KEY_WRITE