static void Main(string[] args)
{
PrivelegeHelper.ObtainSystemPrivileges();
if (!EFIEnvironment.IsSupported())
{
Console.WriteLine("Not in UEFI mode!");
return;
}
var res = EFIEnvironment.GetEntries();
bool reboot;
BootEntry bootNext = null;
string str;
if (args.Length != 1)
{
Console.WriteLine("Command line usage: efiboot [<boot item name>|<boot item number>[!]]");
Console.WriteLine("Example: efiboot ubuntu!");
Console.WriteLine("Example: efiboot \"Windows Boot Manager\"");
Console.WriteLine("Example: efiboot 3!");
Console.WriteLine("! will restart the system after setting the boot next parameter");
Console.WriteLine();
Console.WriteLine("------------- Available options ----------------");
foreach (var item in res)
{
Console.WriteLine(item.Id + ": " + item.Description + (item.IsBootNext ? " [next]" : "") + (item.IsCurrent ? " [current]" : ""));
}
Console.WriteLine("------------------------------------------------");
Console.WriteLine("Choose boot next record number (add ! to reboot now) or just press <ENTER> to exit:");
str = Console.ReadLine();
}
else
{
str = args[0];
}
reboot = str.EndsWith("!");
str = str.TrimEnd('!');
if (int.TryParse(str, out var idx) && idx < res.Length)
{
bootNext = res[idx];
}
else
{
bootNext = res.FirstOrDefault(x => x.Description == str);
}
if (bootNext != null)
{
EFIEnvironment.SetBootNext(bootNext);
Console.WriteLine("Next boot will be: " + bootNext.Description);
Console.WriteLine("Reboot: " + reboot);
if (reboot && !NativeMethods.ExitWindowsEx(ExitWindows.Reboot, ShutdownReason.MajorOther | ShutdownReason.MinorOther | ShutdownReason.FlagPlanned))
{
Console.WriteLine("Shutdown failed");
}
}
else
{
Console.WriteLine("Entry not found!");
}
}
public static void SetBootNext(BootEntry entry)
{
SetBootNext(entry.Id);
}