/*******************************************************************************
 * Copyright(c) 2012 dongke All rights reserved. / Confidential
 * 类的信息：
 *      1.程序名称：Win32.cs
 *      2.功能描述：系统中Win32的控制类
 * 编辑履历：
 *      作者            日期                版本            修改内容
 *      欧阳涛          2012/06/07          1.00            新建
 *******************************************************************************/

using System;
using System.Runtime.InteropServices;

namespace Dongke.IBOSS.PRD.Basics.Library
{
    /// <summary>
    /// 系统中Win32的控制类
    /// </summary>
    public static class Win32
    {
        #region User32
        public const int SW_RESTORE = 9;
        public const int SC_CLOSE = 0xF060;
        public const int MF_ENABLED = 0x00000000;
        public const int MF_GRAYED = 0x00000001;
        public const int MF_DISABLED = 0x00000002;
        public const int WM_SYSCOMMAND = 0x112;
        public const int WM_QUERYENDSESSION = 0x11;
        public const int WM_CUSTOM_FW = 0x1024;

        [DllImport("gdi32.dll")]
        private static extern int GetDeviceCaps(IntPtr hdc, int Index);
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr SendMessage(HandleRef hWnd, int msg, int wParam, int lParam);
        [DllImport("user32.dll", CharSet = CharSet.Auto)]
        public static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, int lParam);
        [DllImport("user32.dll")]
        public static extern bool SetForegroundWindow(IntPtr hWnd);
        [DllImport("user32.dll")]
        public static extern bool ShowWindowAsync(IntPtr hWnd, int nCmdShow);
        [DllImport("user32.dll")]
        public static extern bool IsIconic(IntPtr hWnd);
        [DllImport("user32.dll")]
        public static extern bool IsWindowEnabled(IntPtr hWnd);
        [DllImport("user32.dll")]
        public static extern bool IsWindowVisible(IntPtr hWnd);
        [DllImport("user32.dll")]
        public static extern bool EnableWindow(IntPtr hwnd, bool bEnable);
        [DllImport("user32.dll")]
        public static extern bool PrintWindow(IntPtr hwnd, IntPtr hdcBlt, uint nFlags);
        [DllImport("user32.dll", EntryPoint = "GetSystemMenu")]
        public static extern IntPtr GetSystemMenu(IntPtr hWnd, int bRevert);
        [DllImport("User32.dll")]
        public static extern bool EnableMenuItem(IntPtr hMenu, int uIDEnableItem, int uEnable);
        #endregion

        #region Shell32
        public const uint SHGFI_ICON = 0x100;
        public const uint SHGFI_LARGEICON = 0x0;
        public const uint SHGFI_SMALLICON = 0x1;

        public struct SHFILEINFO
        {
            public IntPtr hIcon;
            public IntPtr iIcon;
            public uint dwAttributes;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
            public string szDisplayName;
            [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
            public string szTypeName;
        };

        [DllImport("shell32.dll")]
        public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes,
            ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);
        #endregion

        #region Kernel32
        public static readonly IntPtr InvalidHandleValue = new IntPtr(-1);
        public const uint FILE_MAP_WRITE = 0x02;
        public const uint FILE_MAP_READ = 0x04;
        public const uint PAGE_READWRITE = 0x04;

        [DllImport("Kernel32")]
        public static extern IntPtr CreateFileMapping(IntPtr hFile,
            IntPtr pAttributes, uint flProtect,
            uint dwMaximumSizeHigh, uint dwMaximumSizeLow, string pName);

        [DllImport("Kernel32")]
        public static extern IntPtr OpenFileMapping(uint dwDesiredAccess,
            bool bInheritHandle, string name);

        [DllImport("Kernel32")]
        public static extern bool CloseHandle(IntPtr handle);

        [DllImport("Kernel32")]
        public static extern IntPtr MapViewOfFile(IntPtr hFileMappingObject,
            uint dwDesiredAccess,
            uint dwFileOffsetHigh, uint dwFileOffsetLow,
            IntPtr dwNumberOfBytesToMap);

        [DllImport("Kernel32")]
        public static extern bool UnmapViewOfFile(IntPtr address);

        [DllImport("Kernel32")]
        public static extern bool DuplicateHandle(IntPtr hSourceProcessHandle,
            IntPtr hSourceHandle,
            IntPtr hTargetProcessHandle, ref IntPtr lpTargetHandle,
            uint dwDesiredAccess, bool bInheritHandle, uint dwOptions);
        public const uint DUPLICATE_CLOSE_SOURCE = 0x00000001;
        public const uint DUPLICATE_SAME_ACCESS = 0x00000002;

        [DllImport("Kernel32")]
        public static extern IntPtr GetCurrentProcess();
        #endregion
    }
}