using System;
using System.Runtime.InteropServices;

namespace Handbrake.Functions
{
    class Win32
    {
        [DllImport("user32.dll")]
        public static extern bool SetForegroundWindow(int hWnd);

        [DllImport("user32.dll")]
        public static extern void LockWorkStation();

        [DllImport("user32.dll")]
        public static extern int ExitWindowsEx(int uFlags, int dwReason);

        public struct MEMORYSTATUS // Unused var's are required here.
        {
            public UInt32 dwLength;
            public UInt32 dwMemoryLoad;
            public UInt32 dwTotalPhys; // Used
            public UInt32 dwAvailPhys;
            public UInt32 dwTotalPageFile;
            public UInt32 dwAvailPageFile;
            public UInt32 dwTotalVirtual;
            public UInt32 dwAvailVirtual;
        }

        [DllImport("kernel32.dll")]
        public static extern void GlobalMemoryStatus
        (
            ref MEMORYSTATUS lpBuffer
        );

        [DllImport("kernel32.dll", SetLastError = true)]
        public static extern bool GenerateConsoleCtrlEvent(ConsoleCtrlEvent sigevent, int dwProcessGroupId);

        public enum ConsoleCtrlEvent
        {
            CTRL_C = 0,
            CTRL_BREAK = 1,
            CTRL_CLOSE = 2,
        }
    }
}
