#region Disclaimer / License
// Copyright (C) 2015, The Duplicati Team
// http://www.duplicati.com, info@duplicati.com
// 
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
// 
#endregion
using System;
using System.Collections.Generic;
using System.Text;
using System.Runtime.InteropServices;

namespace Duplicati.Library.Utility
{
    //The signatures in this file are from http://pinvoke.net

    /// <summary>
    /// Various Windows specific calls 
    /// </summary>
    public static class Win32
    {

        #region Consts

        public const int ATTACH_PARENT_PROCESS = -1;

        #endregion

        #region Enums

        [FlagsAttribute]
        public enum EXECUTION_STATE : uint
        {
            ES_AWAYMODE_REQUIRED = 0x00000040,
            ES_CONTINUOUS = 0x80000000,
            ES_DISPLAY_REQUIRED = 0x00000002,
            ES_SYSTEM_REQUIRED = 0x00000001
            // Legacy flag, should not be used.
            // ES_USER_PRESENT = 0x00000004
        }

        #endregion

        #region Function calls

        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern EXECUTION_STATE SetThreadExecutionState(EXECUTION_STATE esFlags);

        /// <summary>
        /// Attaches the calling process to the console of the specified process.
        /// </summary>
        /// <param name="dwProcessId">[in] Identifier of the process, usually will be ATTACH_PARENT_PROCESS</param>
        /// <returns>If the function succeeds, the return value is nonzero.
        /// If the function fails, the return value is zero.
        /// To get extended error information, call Marshal.GetLastWin32Error.</returns>
        [DllImport("kernel32.dll", SetLastError = true)]
        public static extern bool AttachConsole(int dwProcessId);

        #endregion
    }
}