/***************************************************************************

Copyright (c) Microsoft Corporation. All rights reserved.
This code is licensed under the Visual Studio SDK license terms.
THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.

***************************************************************************/

using System;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System.IO;
using System.Runtime.InteropServices;
using System.Text;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.TextManager.Interop;

namespace Microsoft.VisualStudio.Project
{
	internal static class NativeMethods
	{
		// IIDS
		public static readonly Guid IID_IUnknown = new Guid("{00000000-0000-0000-C000-000000000046}");

		public const int
		CLSCTX_INPROC_SERVER = 0x1;

		public const int
		S_FALSE = 0x00000001,
		S_OK = 0x00000000,

		IDOK = 1,
		IDCANCEL = 2,
		IDABORT = 3,
		IDRETRY = 4,
		IDIGNORE = 5,
		IDYES = 6,
		IDNO = 7,
		IDCLOSE = 8,
		IDHELP = 9,
		IDTRYAGAIN = 10,
		IDCONTINUE = 11,

		OLECMDERR_E_NOTSUPPORTED = unchecked((int)0x80040100),
		OLECMDERR_E_UNKNOWNGROUP = unchecked((int)0x80040104),

		UNDO_E_CLIENTABORT = unchecked((int)0x80044001),
		E_OUTOFMEMORY = unchecked((int)0x8007000E),
		E_INVALIDARG = unchecked((int)0x80070057),
		E_FAIL = unchecked((int)0x80004005),
		E_NOINTERFACE = unchecked((int)0x80004002),
		E_POINTER = unchecked((int)0x80004003),
		E_NOTIMPL = unchecked((int)0x80004001),
		E_UNEXPECTED = unchecked((int)0x8000FFFF),
		E_HANDLE = unchecked((int)0x80070006),
		E_ABORT = unchecked((int)0x80004004),
		E_ACCESSDENIED = unchecked((int)0x80070005),
		E_PENDING = unchecked((int)0x8000000A);

		public const int
		OLECLOSE_SAVEIFDIRTY = 0,
		OLECLOSE_NOSAVE = 1,
		OLECLOSE_PROMPTSAVE = 2;

		public const int
		OLEIVERB_PRIMARY = 0,
		OLEIVERB_SHOW = -1,
		OLEIVERB_OPEN = -2,
		OLEIVERB_HIDE = -3,
		OLEIVERB_UIACTIVATE = -4,
		OLEIVERB_INPLACEACTIVATE = -5,
		OLEIVERB_DISCARDUNDOSTATE = -6,
		OLEIVERB_PROPERTIES = -7;

		public const int
		OFN_READONLY = unchecked((int)0x00000001),
		OFN_OVERWRITEPROMPT = unchecked((int)0x00000002),
		OFN_HIDEREADONLY = unchecked((int)0x00000004),
		OFN_NOCHANGEDIR = unchecked((int)0x00000008),
		OFN_SHOWHELP = unchecked((int)0x00000010),
		OFN_ENABLEHOOK = unchecked((int)0x00000020),
		OFN_ENABLETEMPLATE = unchecked((int)0x00000040),
		OFN_ENABLETEMPLATEHANDLE = unchecked((int)0x00000080),
		OFN_NOVALIDATE = unchecked((int)0x00000100),
		OFN_ALLOWMULTISELECT = unchecked((int)0x00000200),
		OFN_EXTENSIONDIFFERENT = unchecked((int)0x00000400),
		OFN_PATHMUSTEXIST = unchecked((int)0x00000800),
		OFN_FILEMUSTEXIST = unchecked((int)0x00001000),
		OFN_CREATEPROMPT = unchecked((int)0x00002000),
		OFN_SHAREAWARE = unchecked((int)0x00004000),
		OFN_NOREADONLYRETURN = unchecked((int)0x00008000),
		OFN_NOTESTFILECREATE = unchecked((int)0x00010000),
		OFN_NONETWORKBUTTON = unchecked((int)0x00020000),
		OFN_NOLONGNAMES = unchecked((int)0x00040000),
		OFN_EXPLORER = unchecked((int)0x00080000),
		OFN_NODEREFERENCELINKS = unchecked((int)0x00100000),
		OFN_LONGNAMES = unchecked((int)0x00200000),
		OFN_ENABLEINCLUDENOTIFY = unchecked((int)0x00400000),
		OFN_ENABLESIZING = unchecked((int)0x00800000),
		OFN_USESHELLITEM = unchecked((int)0x01000000),
		OFN_DONTADDTORECENT = unchecked((int)0x02000000),
		OFN_FORCESHOWHIDDEN = unchecked((int)0x10000000);

		// for READONLYSTATUS
		public const int
		ROSTATUS_NotReadOnly = 0x0,
		ROSTATUS_ReadOnly = 0x1,
		ROSTATUS_Unknown = unchecked((int)0xFFFFFFFF);

		public const int
		IEI_DoNotLoadDocData = 0x10000000;

		public const int
		CB_SETDROPPEDWIDTH = 0x0160,

		GWL_STYLE = (-16),
		GWL_EXSTYLE = (-20),

		DWL_MSGRESULT = 0,

		SW_SHOWNORMAL = 1,

		HTMENU = 5,

		WS_POPUP = unchecked((int)0x80000000),
		WS_CHILD = 0x40000000,
		WS_MINIMIZE = 0x20000000,
		WS_VISIBLE = 0x10000000,
		WS_DISABLED = 0x08000000,
		WS_CLIPSIBLINGS = 0x04000000,
		WS_CLIPCHILDREN = 0x02000000,
		WS_MAXIMIZE = 0x01000000,
		WS_CAPTION = 0x00C00000,
		WS_BORDER = 0x00800000,
		WS_DLGFRAME = 0x00400000,
		WS_VSCROLL = 0x00200000,
		WS_HSCROLL = 0x00100000,
		WS_SYSMENU = 0x00080000,
		WS_THICKFRAME = 0x00040000,
		WS_TABSTOP = 0x00010000,
		WS_MINIMIZEBOX = 0x00020000,
		WS_MAXIMIZEBOX = 0x00010000,
		WS_EX_DLGMODALFRAME = 0x00000001,
		WS_EX_MDICHILD = 0x00000040,
		WS_EX_TOOLWINDOW = 0x00000080,
		WS_EX_CLIENTEDGE = 0x00000200,
		WS_EX_CONTEXTHELP = 0x00000400,
		WS_EX_RIGHT = 0x00001000,
		WS_EX_LEFT = 0x00000000,
		WS_EX_RTLREADING = 0x00002000,
		WS_EX_LEFTSCROLLBAR = 0x00004000,
		WS_EX_CONTROLPARENT = 0x00010000,
		WS_EX_STATICEDGE = 0x00020000,
		WS_EX_APPWINDOW = 0x00040000,
		WS_EX_LAYERED = 0x00080000,
		WS_EX_TOPMOST = 0x00000008,
		WS_EX_NOPARENTNOTIFY = 0x00000004,

		LVM_SETEXTENDEDLISTVIEWSTYLE = (0x1000 + 54),

		LVS_EX_LABELTIP = 0x00004000,

		// winuser.h
			WH_JOURNALPLAYBACK = 1,
		WH_GETMESSAGE = 3,
		WH_MOUSE = 7,
		WSF_VISIBLE = 0x0001,
		WM_NULL = 0x0000,
		WM_CREATE = 0x0001,
		WM_DELETEITEM = 0x002D,
		WM_DESTROY = 0x0002,
		WM_MOVE = 0x0003,
		WM_SIZE = 0x0005,
		WM_ACTIVATE = 0x0006,
		WA_INACTIVE = 0,
		WA_ACTIVE = 1,
		WA_CLICKACTIVE = 2,
		WM_SETFOCUS = 0x0007,
		WM_KILLFOCUS = 0x0008,
		WM_ENABLE = 0x000A,
		WM_SETREDRAW = 0x000B,
		WM_SETTEXT = 0x000C,
		WM_GETTEXT = 0x000D,
		WM_GETTEXTLENGTH = 0x000E,
		WM_PAINT = 0x000F,
		WM_CLOSE = 0x0010,
		WM_QUERYENDSESSION = 0x0011,
		WM_QUIT = 0x0012,
		WM_QUERYOPEN = 0x0013,
		WM_ERASEBKGND = 0x0014,
		WM_SYSCOLORCHANGE = 0x0015,
		WM_ENDSESSION = 0x0016,
		WM_SHOWWINDOW = 0x0018,
		WM_WININICHANGE = 0x001A,
		WM_SETTINGCHANGE = 0x001A,
		WM_DEVMODECHANGE = 0x001B,
		WM_ACTIVATEAPP = 0x001C,
		WM_FONTCHANGE = 0x001D,
		WM_TIMECHANGE = 0x001E,
		WM_CANCELMODE = 0x001F,
		WM_SETCURSOR = 0x0020,
		WM_MOUSEACTIVATE = 0x0021,
		WM_CHILDACTIVATE = 0x0022,
		WM_QUEUESYNC = 0x0023,
		WM_GETMINMAXINFO = 0x0024,
		WM_PAINTICON = 0x0026,
		WM_ICONERASEBKGND = 0x0027,
		WM_NEXTDLGCTL = 0x0028,
		WM_SPOOLERSTATUS = 0x002A,
		WM_DRAWITEM = 0x002B,
		WM_MEASUREITEM = 0x002C,
		WM_VKEYTOITEM = 0x002E,
		WM_CHARTOITEM = 0x002F,
		WM_SETFONT = 0x0030,
		WM_GETFONT = 0x0031,
		WM_SETHOTKEY = 0x0032,
		WM_GETHOTKEY = 0x0033,
		WM_QUERYDRAGICON = 0x0037,
		WM_COMPAREITEM = 0x0039,
		WM_GETOBJECT = 0x003D,
		WM_COMPACTING = 0x0041,
		WM_COMMNOTIFY = 0x0044,
		WM_WINDOWPOSCHANGING = 0x0046,
		WM_WINDOWPOSCHANGED = 0x0047,
		WM_POWER = 0x0048,
		WM_COPYDATA = 0x004A,
		WM_CANCELJOURNAL = 0x004B,
		WM_NOTIFY = 0x004E,
		WM_INPUTLANGCHANGEREQUEST = 0x0050,
		WM_INPUTLANGCHANGE = 0x0051,
		WM_TCARD = 0x0052,
		WM_HELP = 0x0053,
		WM_USERCHANGED = 0x0054,
		WM_NOTIFYFORMAT = 0x0055,
		WM_CONTEXTMENU = 0x007B,
		WM_STYLECHANGING = 0x007C,
		WM_STYLECHANGED = 0x007D,
		WM_DISPLAYCHANGE = 0x007E,
		WM_GETICON = 0x007F,
		WM_SETICON = 0x0080,
		WM_NCCREATE = 0x0081,
		WM_NCDESTROY = 0x0082,
		WM_NCCALCSIZE = 0x0083,
		WM_NCHITTEST = 0x0084,
		WM_NCPAINT = 0x0085,
		WM_NCACTIVATE = 0x0086,
		WM_GETDLGCODE = 0x0087,
		WM_NCMOUSEMOVE = 0x00A0,
		WM_NCLBUTTONDOWN = 0x00A1,
		WM_NCLBUTTONUP = 0x00A2,
		WM_NCLBUTTONDBLCLK = 0x00A3,
		WM_NCRBUTTONDOWN = 0x00A4,
		WM_NCRBUTTONUP = 0x00A5,
		WM_NCRBUTTONDBLCLK = 0x00A6,
		WM_NCMBUTTONDOWN = 0x00A7,
		WM_NCMBUTTONUP = 0x00A8,
		WM_NCMBUTTONDBLCLK = 0x00A9,
		WM_NCXBUTTONDOWN = 0x00AB,
		WM_NCXBUTTONUP = 0x00AC,
		WM_NCXBUTTONDBLCLK = 0x00AD,
		WM_KEYFIRST = 0x0100,
		WM_KEYDOWN = 0x0100,
		WM_KEYUP = 0x0101,
		WM_CHAR = 0x0102,
		WM_DEADCHAR = 0x0103,
		WM_CTLCOLOR = 0x0019,
		WM_SYSKEYDOWN = 0x0104,
		WM_SYSKEYUP = 0x0105,
		WM_SYSCHAR = 0x0106,
		WM_SYSDEADCHAR = 0x0107,
		WM_KEYLAST = 0x0108,
		WM_IME_STARTCOMPOSITION = 0x010D,
		WM_IME_ENDCOMPOSITION = 0x010E,
		WM_IME_COMPOSITION = 0x010F,
		WM_IME_KEYLAST = 0x010F,
		WM_INITDIALOG = 0x0110,
		WM_COMMAND = 0x0111,
		WM_SYSCOMMAND = 0x0112,
		WM_TIMER = 0x0113,
		WM_HSCROLL = 0x0114,
		WM_VSCROLL = 0x0115,
		WM_INITMENU = 0x0116,
		WM_INITMENUPOPUP = 0x0117,
		WM_MENUSELECT = 0x011F,
		WM_MENUCHAR = 0x0120,
		WM_ENTERIDLE = 0x0121,
		WM_CHANGEUISTATE = 0x0127,
		WM_UPDATEUISTATE = 0x0128,
		WM_QUERYUISTATE = 0x0129,
		WM_CTLCOLORMSGBOX = 0x0132,
		WM_CTLCOLOREDIT = 0x0133,
		WM_CTLCOLORLISTBOX = 0x0134,
		WM_CTLCOLORBTN = 0x0135,
		WM_CTLCOLORDLG = 0x0136,
		WM_CTLCOLORSCROLLBAR = 0x0137,
		WM_CTLCOLORSTATIC = 0x0138,
		WM_MOUSEFIRST = 0x0200,
		WM_MOUSEMOVE = 0x0200,
		WM_LBUTTONDOWN = 0x0201,
		WM_LBUTTONUP = 0x0202,
		WM_LBUTTONDBLCLK = 0x0203,
		WM_RBUTTONDOWN = 0x0204,
		WM_RBUTTONUP = 0x0205,
		WM_RBUTTONDBLCLK = 0x0206,
		WM_MBUTTONDOWN = 0x0207,
		WM_MBUTTONUP = 0x0208,
		WM_MBUTTONDBLCLK = 0x0209,
		WM_XBUTTONDOWN = 0x020B,
		WM_XBUTTONUP = 0x020C,
		WM_XBUTTONDBLCLK = 0x020D,
		WM_MOUSEWHEEL = 0x020A,
		WM_MOUSELAST = 0x020A,
		WM_PARENTNOTIFY = 0x0210,
		WM_ENTERMENULOOP = 0x0211,
		WM_EXITMENULOOP = 0x0212,
		WM_NEXTMENU = 0x0213,
		WM_SIZING = 0x0214,
		WM_CAPTURECHANGED = 0x0215,
		WM_MOVING = 0x0216,
		WM_POWERBROADCAST = 0x0218,
		WM_DEVICECHANGE = 0x0219,
		WM_IME_SETCONTEXT = 0x0281,
		WM_IME_NOTIFY = 0x0282,
		WM_IME_CONTROL = 0x0283,
		WM_IME_COMPOSITIONFULL = 0x0284,
		WM_IME_SELECT = 0x0285,
		WM_IME_CHAR = 0x0286,
		WM_IME_KEYDOWN = 0x0290,
		WM_IME_KEYUP = 0x0291,
		WM_MDICREATE = 0x0220,
		WM_MDIDESTROY = 0x0221,
		WM_MDIACTIVATE = 0x0222,
		WM_MDIRESTORE = 0x0223,
		WM_MDINEXT = 0x0224,
		WM_MDIMAXIMIZE = 0x0225,
		WM_MDITILE = 0x0226,
		WM_MDICASCADE = 0x0227,
		WM_MDIICONARRANGE = 0x0228,
		WM_MDIGETACTIVE = 0x0229,
		WM_MDISETMENU = 0x0230,
		WM_ENTERSIZEMOVE = 0x0231,
		WM_EXITSIZEMOVE = 0x0232,
		WM_DROPFILES = 0x0233,
		WM_MDIREFRESHMENU = 0x0234,
		WM_MOUSEHOVER = 0x02A1,
		WM_MOUSELEAVE = 0x02A3,
		WM_CUT = 0x0300,
		WM_COPY = 0x0301,
		WM_PASTE = 0x0302,
		WM_CLEAR = 0x0303,
		WM_UNDO = 0x0304,
		WM_RENDERFORMAT = 0x0305,
		WM_RENDERALLFORMATS = 0x0306,
		WM_DESTROYCLIPBOARD = 0x0307,
		WM_DRAWCLIPBOARD = 0x0308,
		WM_PAINTCLIPBOARD = 0x0309,
		WM_VSCROLLCLIPBOARD = 0x030A,
		WM_SIZECLIPBOARD = 0x030B,
		WM_ASKCBFORMATNAME = 0x030C,
		WM_CHANGECBCHAIN = 0x030D,
		WM_HSCROLLCLIPBOARD = 0x030E,
		WM_QUERYNEWPALETTE = 0x030F,
		WM_PALETTEISCHANGING = 0x0310,
		WM_PALETTECHANGED = 0x0311,
		WM_HOTKEY = 0x0312,
		WM_PRINT = 0x0317,
		WM_PRINTCLIENT = 0x0318,
		WM_HANDHELDFIRST = 0x0358,
		WM_HANDHELDLAST = 0x035F,
		WM_AFXFIRST = 0x0360,
		WM_AFXLAST = 0x037F,
		WM_PENWINFIRST = 0x0380,
		WM_PENWINLAST = 0x038F,
		WM_APP = unchecked((int)0x8000),
		WM_USER = 0x0400,
		WM_REFLECT =
		WM_USER + 0x1C00,
		WS_OVERLAPPED = 0x00000000,
		WPF_SETMINPOSITION = 0x0001,
		WM_CHOOSEFONT_GETLOGFONT = (0x0400 + 1),

		WHEEL_DELTA = 120,
		DWLP_MSGRESULT = 0,
		PSNRET_NOERROR = 0,
		PSNRET_INVALID = 1,
		PSNRET_INVALID_NOCHANGEPAGE = 2;

		public const int
		PSN_APPLY = ((0 - 200) - 2),
		PSN_KILLACTIVE = ((0 - 200) - 1),
		PSN_RESET = ((0 - 200) - 3),
		PSN_SETACTIVE = ((0 - 200) - 0);

		public const int
		GMEM_MOVEABLE = 0x0002,
		GMEM_ZEROINIT = 0x0040,
		GMEM_DDESHARE = 0x2000;

		public const int
		SWP_NOACTIVATE = 0x0010,
		SWP_NOZORDER = 0x0004,
		SWP_NOSIZE = 0x0001,
		SWP_NOMOVE = 0x0002,
		SWP_FRAMECHANGED = 0x0020;

		public const int
		TVM_SETINSERTMARK = (0x1100 + 26),
		TVM_GETEDITCONTROL = (0x1100 + 15);

		public const int
		FILE_ATTRIBUTE_READONLY = 0x00000001;

		public const int
			PSP_DEFAULT = 0x00000000,
			PSP_DLGINDIRECT = 0x00000001,
			PSP_USEHICON = 0x00000002,
			PSP_USEICONID = 0x00000004,
			PSP_USETITLE = 0x00000008,
			PSP_RTLREADING = 0x00000010,
			PSP_HASHELP = 0x00000020,
			PSP_USEREFPARENT = 0x00000040,
			PSP_USECALLBACK = 0x00000080,
			PSP_PREMATURE = 0x00000400,
			PSP_HIDEHEADER = 0x00000800,
			PSP_USEHEADERTITLE = 0x00001000,
			PSP_USEHEADERSUBTITLE = 0x00002000;

		public const int
			PSH_DEFAULT = 0x00000000,
			PSH_PROPTITLE = 0x00000001,
			PSH_USEHICON = 0x00000002,
			PSH_USEICONID = 0x00000004,
			PSH_PROPSHEETPAGE = 0x00000008,
			PSH_WIZARDHASFINISH = 0x00000010,
			PSH_WIZARD = 0x00000020,
			PSH_USEPSTARTPAGE = 0x00000040,
			PSH_NOAPPLYNOW = 0x00000080,
			PSH_USECALLBACK = 0x00000100,
			PSH_HASHELP = 0x00000200,
			PSH_MODELESS = 0x00000400,
			PSH_RTLREADING = 0x00000800,
			PSH_WIZARDCONTEXTHELP = 0x00001000,
			PSH_WATERMARK = 0x00008000,
			PSH_USEHBMWATERMARK = 0x00010000,  // user pass in a hbmWatermark instead of pszbmWatermark
			PSH_USEHPLWATERMARK = 0x00020000,  //
			PSH_STRETCHWATERMARK = 0x00040000,  // stretchwatermark also applies for the header
			PSH_HEADER = 0x00080000,
			PSH_USEHBMHEADER = 0x00100000,
			PSH_USEPAGELANG = 0x00200000,  // use frame dialog template matched to page
			PSH_WIZARD_LITE = 0x00400000,
			PSH_NOCONTEXTHELP = 0x02000000;

		public const int
			PSBTN_BACK = 0,
			PSBTN_NEXT = 1,
			PSBTN_FINISH = 2,
			PSBTN_OK = 3,
			PSBTN_APPLYNOW = 4,
			PSBTN_CANCEL = 5,
			PSBTN_HELP = 6,
			PSBTN_MAX = 6;

		public const int
			TRANSPARENT = 1,
			OPAQUE = 2,
			FW_BOLD = 700;

		[StructLayout(LayoutKind.Sequential)]
		public struct NMHDR
		{
			public IntPtr hwndFrom;
			public int idFrom;
			public int code;
		}

		/// <devdoc>
		/// Helper class for setting the text parameters to OLECMDTEXT structures.
		/// </devdoc>
		public static class OLECMDTEXT
		{

			/// <summary>
			/// Flags for the OLE command text
			/// </summary>
			public enum OLECMDTEXTF
			{
				/// <summary>No flag</summary>
				OLECMDTEXTF_NONE = 0,
				/// <summary>The name of the command is required.</summary>
				OLECMDTEXTF_NAME = 1,
				/// <summary>A description of the status is required.</summary>
				OLECMDTEXTF_STATUS = 2
			}
		}

		/// <devdoc>
		/// OLECMDF enums for IOleCommandTarget
		/// </devdoc>
		public enum tagOLECMDF
		{
			OLECMDF_SUPPORTED = 1,
			OLECMDF_ENABLED = 2,
			OLECMDF_LATCHED = 4,
			OLECMDF_NINCHED = 8,
			OLECMDF_INVISIBLE = 16
		}

		/// <devdoc>
		/// This method takes a file URL and converts it to an absolute path.  The trick here is that
		/// if there is a '#' in the path, everything after this is treated as a fragment.  So
		/// we need to append the fragment to the end of the path.
		/// </devdoc>
		[SuppressMessage("Microsoft.Performance", "CA1811:AvoidUncalledPrivateCode")]
		public static string GetAbsolutePath(string fileName)
		{
			System.Diagnostics.Debug.Assert(fileName != null && fileName.Length > 0, "Cannot get absolute path, fileName is not valid");

			Uri uri = new Uri(fileName);
			return uri.LocalPath + uri.Fragment;
		}

		/// <devdoc>
		/// Please use this "approved" method to compare file names.
		/// </devdoc>
		public static bool IsSamePath(string file1, string file2)
		{
			if(file1 == null || file1.Length == 0)
			{
				return (file2 == null || file2.Length == 0);
			}

			Uri uri1 = null;
			Uri uri2 = null;

			try
			{
				if(!Uri.TryCreate(file1, UriKind.Absolute, out uri1) || !Uri.TryCreate(file2, UriKind.Absolute, out uri2))
				{
					return false;
				}

				if(uri1 != null && uri1.IsFile && uri2 != null && uri2.IsFile)
				{
					return 0 == String.Compare(uri1.LocalPath, uri2.LocalPath, StringComparison.OrdinalIgnoreCase);
				}

				return file1 == file2;
			}
			catch(UriFormatException e)
			{
				Trace.WriteLine("Exception " + e.Message);
			}

			return false;
		}

		[ComImport(), Guid("9BDA66AE-CA28-4e22-AA27-8A7218A0E3FA"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
		public interface IEventHandler
		{

			// converts the underlying codefunction into an event handler for the given event
			// if the given event is NULL, then the function will handle no events
			[PreserveSig]
			int AddHandler(string bstrEventName);

			[PreserveSig]
			int RemoveHandler(string bstrEventName);

			IVsEnumBSTR GetHandledEvents();

			bool HandlesEvent(string bstrEventName);
		}

		[ComImport(), Guid("A55CCBCC-7031-432d-B30A-A68DE7BDAD75"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
		public interface IParameterKind
		{

			void SetParameterPassingMode(PARAMETER_PASSING_MODE ParamPassingMode);
			void SetParameterArrayDimensions(int uDimensions);
			int GetParameterArrayCount();
			int GetParameterArrayDimensions(int uIndex);
			int GetParameterPassingMode();
		}

		public enum PARAMETER_PASSING_MODE
		{
			cmParameterTypeIn = 1,
			cmParameterTypeOut = 2,
			cmParameterTypeInOut = 3
		}

		[
		ComImport, ComVisible(true), Guid("3E596484-D2E4-461a-A876-254C4F097EBB"),
		InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)
		]
		public interface IMethodXML
		{
			// Generate XML describing the contents of this function's body.
			void GetXML(ref string pbstrXML);

			// Parse the incoming XML with respect to the CodeModel XML schema and
			// use the result to regenerate the body of the function.
			/// <include file='doc\NativeMethods.uex' path='docs/doc[@for="IMethodXML.SetXML"]/*' />
			[PreserveSig]
			int SetXML(string pszXML);

			// This is really a textpoint
			[PreserveSig]
			int GetBodyPoint([MarshalAs(UnmanagedType.Interface)]out object bodyPoint);
		}

		[ComImport(), Guid("EA1A87AD-7BC5-4349-B3BE-CADC301F17A3"), InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)]
		public interface IVBFileCodeModelEvents
		{

			[PreserveSig]
			int StartEdit();

			[PreserveSig]
			int EndEdit();
		}

		///--------------------------------------------------------------------------
		/// ICodeClassBase:
		///--------------------------------------------------------------------------
		[GuidAttribute("23BBD58A-7C59-449b-A93C-43E59EFC080C")]
		[InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
		[ComImport()]
		public interface ICodeClassBase
		{
			[PreserveSig()]
			int GetBaseName(out string pBaseName);
		}

		public const ushort CF_HDROP = 15; // winuser.h
		public const uint MK_CONTROL = 0x0008; //winuser.h
		public const uint MK_SHIFT = 0x0004;
		public const int MAX_PATH = 260; // windef.h	

		/// <summary>
		/// Specifies options for a bitmap image associated with a task item.
		/// </summary>
		public enum VSTASKBITMAP
		{
			BMP_COMPILE = -1,
			BMP_SQUIGGLE = -2,
			BMP_COMMENT = -3,
			BMP_SHORTCUT = -4,
			BMP_USER = -5
		};

		public const int ILD_NORMAL = 0x0000,
			ILD_TRANSPARENT = 0x0001,
			ILD_MASK = 0x0010,
			ILD_ROP = 0x0040;

		/// <summary>
		/// Defines the values that are not supported by the System.Environment.SpecialFolder enumeration
		/// </summary>
		[ComVisible(true)]
		public enum ExtendedSpecialFolder
		{
			/// <summary>
			/// Identical to CSIDL_COMMON_STARTUP
			/// </summary>
			CommonStartup = 0x0018,

			/// <summary>
			/// Identical to CSIDL_WINDOWS 
			/// </summary>
			Windows = 0x0024,
		}


		// APIS

		/// <summary>
		/// Changes the parent window of the specified child window.
		/// </summary>
		/// <param name="hWnd">Handle to the child window.</param>
		/// <param name="hWndParent">Handle to the new parent window. If this parameter is NULL, the desktop window becomes the new parent window.</param>
		/// <returns>A handle to the previous parent window indicates success. NULL indicates failure.</returns>
		[DllImport("User32", ExactSpelling = true, CharSet = CharSet.Auto)]
		public static extern IntPtr SetParent(IntPtr hWnd, IntPtr hWndParent);

		[DllImport("user32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
		public static extern bool DestroyIcon(IntPtr handle);

		[DllImport("user32.dll", EntryPoint = "IsDialogMessageA", SetLastError = true, CharSet = CharSet.Ansi, ExactSpelling = true, CallingConvention = CallingConvention.StdCall)]
		public static extern bool IsDialogMessageA(IntPtr hDlg, ref MSG msg);

		/// <summary>
		/// Indicates whether the file type is binary or not
		/// </summary>
		/// <param name="lpApplicationName">Full path to the file to check</param>
		/// <param name="lpBinaryType">If file isbianry the bitness of the app is indicated by lpBinaryType value.</param>
		/// <returns>True if the file is binary false otherwise</returns>
		[DllImport("kernel32.dll")]
		public static extern bool GetBinaryType([MarshalAs(UnmanagedType.LPWStr)]string lpApplicationName, out uint lpBinaryType);

	}
}

