context: // NativeMethods.cs
  // 
  // Copyright (c) 2013 The GreenBox Development LLC, all rights reserved
  // 
  // This file is a proprietary part of GreenBox3D, disclosing the content
  // of this file without the owner consent may lead to legal actions
  
  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
  
          /// <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,
          }
  
          public enum PARAMETER_PASSING_MODE
          {
              cmParameterTypeIn = 1,
              cmParameterTypeOut = 2,
              cmParameterTypeInOut = 3
          }
  
          /// <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
          };
  
          /// <devdoc>
          ///     OLECMDF enums for IOleCommandTarget
          /// </devdoc>
          public enum tagOLECMDF
          {
              OLECMDF_SUPPORTED = 1,
              OLECMDF_ENABLED = 2,
              OLECMDF_LATCHED = 4,
              OLECMDF_NINCHED = 8,
              OLECMDF_INVISIBLE = 16
          }
  
          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(0x00000001),
              OFN_OVERWRITEPROMPT = unchecked(0x00000002),
              OFN_HIDEREADONLY = unchecked(0x00000004),
              OFN_NOCHANGEDIR = unchecked(0x00000008),
              OFN_SHOWHELP = unchecked(0x00000010),
              OFN_ENABLEHOOK = unchecked(0x00000020),
              OFN_ENABLETEMPLATE = unchecked(0x00000040),
              OFN_ENABLETEMPLATEHANDLE = unchecked(0x00000080),
              OFN_NOVALIDATE = unchecked(0x00000100),
              OFN_ALLOWMULTISELECT = unchecked(0x00000200),
              OFN_EXTENSIONDIFFERENT = unchecked(0x00000400),
              OFN_PATHMUSTEXIST = unchecked(0x00000800),
              OFN_FILEMUSTEXIST = unchecked(0x00001000),
              OFN_CREATEPROMPT = unchecked(0x00002000),
              OFN_SHAREAWARE = unchecked(0x00004000),
              OFN_NOREADONLYRETURN = unchecked(0x00008000),
              OFN_NOTESTFILECREATE = unchecked(0x00010000),
              OFN_NONETWORKBUTTON = unchecked(0x00020000),
              OFN_NOLONGNAMES = unchecked(0x00040000),
              OFN_EXPLORER = unchecked(0x00080000),
              OFN_NODEREFERENCELINKS = unchecked(0x00100000),
              OFN_LONGNAMES = unchecked(0x00200000),
              OFN_ENABLEINCLUDENOTIFY = unchecked(0x00400000),
              OFN_ENABLESIZING = unchecked(0x00800000),
              OFN_USESHELLITEM = unchecked(0x01000000),
              OFN_DONTADDTORECENT = unchecked(0x02000000),
              OFN_FORCESHOWHIDDEN = unchecked(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(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;
  
          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	
  
          public const int ILD_NORMAL = 0x0000,
                           ILD_TRANSPARENT = 0x0001,
                           ILD_MASK = 0x0010,
                           ILD_ROP = 0x0040;
  
          public static readonly Guid IID_IUnknown = new Guid("{00000000-0000-0000-C000-000000000046}");
  
          /// <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)
          {
              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;
          }
  
          // 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);
  
          /// --------------------------------------------------------------------------
          /// ICodeClassBase:
          /// --------------------------------------------------------------------------
          [Guid("23BBD58A-7C59-449b-A93C-43E59EFC080C")]
          [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
          [ComImport]
          public interface ICodeClassBase
          {
              [PreserveSig]
  
gt:             int GetBaseName(out string pBaseName);