mcs/class/System.Windows.Forms/System.Windows.Forms/win32functions.cs

   1 /*
   2  * Copyright (C) 5/11/2002 Carlos Harvey Perez
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sublicense, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject
  10  * to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice shall be
  13  * included in all copies or substantial portions of the Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  17  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  * NONINFRINGEMENT.
  19  * IN NO EVENT SHALL CARLOS HARVEY PEREZ BE LIABLE FOR ANY CLAIM,
  20  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  21  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
  22  * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  *
  24  * Except as contained in this notice, the name of Carlos Harvey Perez
  25  * shall not be used in advertising or otherwise to promote the sale,
  26  * use or other dealings in this Software without prior written
  27  * authorization from Carlos Harvey Perez.
  28  */
  29
  30 using System;
  31 using System.Drawing;
  32 using System.Runtime.InteropServices;
  33 using System.Text;
  34 using System.Diagnostics;
  35
  36 //using UtilityLibrary.WinControls;
  37
  38 //namespace UtilityLibrary.Win32
  39 namespace System.Windows.Forms{
  40         /// <summary>
  41         /// Windows API Functions
  42         /// </summary>
  43         public class Win32
  44         {
  45                 #region Constructors
  46                 // No need to construct this object
  47                 #endregion
  48
  49                 #region Constans values
  50                 internal const string TOOLBARCLASSNAME = "ToolbarWindow32";
  51                 internal const string REBARCLASSNAME = "ReBarWindow32";
  52                 internal const string PROGRESSBARCLASSNAME = "msctls_progress32";
  53                 internal const string SCROLLBAR = "SCROLLBAR";
  54                 #endregion
  55
  56                 #region CallBacks
  57                 internal delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam);
  58                 internal delegate int CompareFunc(IntPtr param1, IntPtr param2, IntPtr sortParam);
  59                 internal delegate int WinProc(IntPtr hWnd, int message, int wParam, int lParam);
  60                 #endregion
  61
  62                 #region Kernel32.dll functions
  63                 [DllImport("kernel32.dll", ExactSpelling=true, CharSet=CharSet.Auto)]
  64                 internal static extern int GetCurrentThreadId();
  65                 [DllImport("kernel32.dll")]
  66                 internal static extern int GetDriveType(string rootPathName);
  67                 [DllImport("kernel32.dll")]
  68                 internal static extern int GetVolumeInformation(string drivePath,
  69                         StringBuilder volumeNameBuffer,
  70                         int driveNameBufferSize,
  71                         out int serialNumber,
  72                         out int maxFileNameLength,
  73                         out int fileSystemFlags,
  74                         StringBuilder systemNameBuffer,
  75                         int systemNameBufferSize);
  76                 [DllImport("kernel32.dll")]
  77                 internal static extern void OutputDebugString(string message);
  78                 #endregion
  79
  80                 #region Gdi32.dll functions
  81                 [DllImport("gdi32.dll")]
  82                 static internal extern bool StretchBlt(IntPtr hDCDest, int XOriginDest, int YOriginDest, int WidthDest, int HeightDest,
  83                         IntPtr hDCSrc,  int XOriginScr, int YOriginSrc, int WidthScr, int HeightScr, PatBltTypes Rop);
  84                 [DllImport("gdi32.dll")]
  85                 static internal extern IntPtr CreateCompatibleDC(IntPtr hDC);
  86                 [DllImport("gdi32.dll")]
  87                 static internal extern IntPtr CreateCompatibleBitmap(IntPtr hDC, int Width, int Heigth);
  88                 [DllImport("gdi32.dll")]
  89                 static internal extern IntPtr SelectObject(IntPtr hDC, IntPtr hObject);
  90                 [DllImport("gdi32.dll")]
  91                 static internal extern bool BitBlt(IntPtr hDCDest, int XOriginDest, int YOriginDest, int WidthDest, int HeightDest,
  92                         IntPtr hDCSrc,  int XOriginScr, int YOriginSrc, PatBltTypes flags);
  93                 [DllImport("gdi32.dll")]
  94                 static internal extern IntPtr DeleteDC(IntPtr hDC);
  95                 [DllImport("gdi32.dll")]
  96                 static internal extern bool PatBlt(IntPtr hDC, int XLeft, int YLeft, int Width, int Height, int Rop);
  97                 [DllImport("gdi32.dll")]
  98                 static internal extern bool DeleteObject(IntPtr hObject);
  99                 [DllImport("gdi32.dll")]
 100                 static internal extern int GetPixel(IntPtr hDC, int XPos, int YPos);
 101                 [DllImport("gdi32.dll")]
 102                 static internal extern int SetMapMode(IntPtr hDC, int fnMapMode);
 103                 [DllImport("gdi32.dll")]
 104                 static internal extern int GetObjectType(IntPtr handle);
 105                 [DllImport("gdi32")]
 106                 internal static extern IntPtr CreateDIBSection(IntPtr hdc, ref BITMAPINFO_FLAT bmi,
 107                         int iUsage, ref int ppvBits, IntPtr hSection, int dwOffset);
 108                 [DllImport("gdi32")]
 109                 internal static extern int GetDIBits(IntPtr hDC, IntPtr hbm, int StartScan, int ScanLines, int lpBits, BITMAPINFOHEADER bmi, int usage);
 110                 [DllImport("gdi32")]
 111                 internal static extern int GetDIBits(IntPtr hdc, IntPtr hbm, int StartScan, int ScanLines, int lpBits, ref BITMAPINFO_FLAT bmi, int usage);
 112                 [DllImport("gdi32")]
 113                 internal static extern IntPtr GetPaletteEntries(IntPtr hpal, int iStartIndex, int nEntries, byte[] lppe);
 114                 [DllImport("gdi32")]
 115                 internal static extern IntPtr GetSystemPaletteEntries(IntPtr hdc, int iStartIndex, int nEntries, byte[] lppe);
 116                 [DllImport("gdi32")]
 117                 internal static extern int SetDCBrushColor(IntPtr hdc,  int crColor);
 118                 [DllImport("gdi32")]
 119                 internal static extern IntPtr CreateSolidBrush(int crColor);
 120                 [DllImport("gdi32")]
 121                 internal static extern int SetBkMode(IntPtr hDC, BackgroundMode mode);
 122                 [DllImport("gdi32")]
 123                 internal static extern int SetViewportOrgEx(IntPtr hdc,  int x, int y,  int param);
 124                 [DllImport("gdi32")]
 125         internal static extern int SetTextColor(IntPtr hDC, int colorRef);
 126                 [DllImport("gdi32")]
 127                 internal static extern int SetStretchBltMode(IntPtr hDC, StrechModeFlags StrechMode);
 128                 [DllImport("gdi32")]
 129                 internal static extern int SetPixel(IntPtr hDC, int x, int y, int color);
 130                 [DllImport("gdi32")]
 131                 internal static extern IntPtr CreatePen(PenStyle penStyle, int width, int color);
 132                 [DllImport("gdi32")]
 133                 internal static extern int GetClipRgn(IntPtr hDC, ref IntPtr region);
 134                 [DllImport("gdi32")]
 135                 internal static extern IntPtr CreateRectRgn(int nLeftRect,  int TopRect, int nRightRect, int nBottomRect);
 136                 [DllImport("gdi32")]
 137                 internal static extern int GetRgnBox(IntPtr hRegion, ref RECT rc);
 138                 #endregion
 139
 140                 #region Uxtheme.dll functions
 141                 [DllImport("uxtheme.dll")]
 142                 static public extern int SetWindowTheme(IntPtr hWnd, StringBuilder AppID, StringBuilder ClassID);
 143                 static public void DisableWindowsXPTheme(IntPtr hWnd)
 144                 {
 145                         // Disable using the Window XP Theme for the Window handle
 146                         // passed as a parameter
 147                         StringBuilder applicationName = new StringBuilder(" ", 1);
 148                         StringBuilder classIDs = new StringBuilder(" " , 1);
 149                         Win32.SetWindowTheme(hWnd, applicationName, classIDs);
 150                 }
 151                 #endregion
 152
 153                 #region User32.dll functions
 154                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 155                 static internal extern IntPtr GetDesktopWindow();
 156                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 157                 static internal extern bool ShowWindow(IntPtr hWnd, ShowWindowStyles State);
 158                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 159                 static internal extern bool SetForegroundWindow(IntPtr hWnd);
 160                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 161                 static internal extern bool OpenClipboard(IntPtr hWndNewOwner);
 162                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 163                 static internal extern bool CloseClipboard();
 164                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 165                 static internal extern bool EmptyClipboard();
 166                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 167                 static internal extern IntPtr SetClipboardData( int Format, IntPtr hData);
 168                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 169                 static internal extern bool GetMenuItemRect(IntPtr hWnd, IntPtr hMenu, int Item, ref RECT rc);
 170                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 171                 internal static extern int SendMessage(IntPtr hWnd, int msg, int wParam, int lParam);
 172                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 173                 internal static extern int SendMessage(IntPtr hWnd, Msg msg, int wParam, int lParam);
 174                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 175                 internal static extern IntPtr SendMessage(IntPtr hWnd, int msg, int wParam, IntPtr lParam);
 176                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 177                 internal static extern void SendMessage(IntPtr hWnd, int msg, int wParam, ref RECT lParam);
 178                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 179                 internal static extern int SendMessage(IntPtr hWnd, int msg, int wParam, ref POINT lParam);
 180                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 181                 internal static extern void SendMessage(IntPtr hWnd, ToolBarMessages msg, int wParam, ref TBBUTTON lParam);
 182                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 183                 internal static extern void SendMessage(IntPtr hWnd, ToolBarMessages msg, int wParam, ref TBBUTTONINFO lParam);
 184                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 185                 internal static extern int SendMessage(IntPtr hWnd, RebarMessages msg, int wParam, ref REBARBANDINFO lParam);
 186                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 187                 internal static extern void SendMessage(IntPtr hWnd, TreeViewMessages msg, int wParam, ref TVITEM lParam);
 188                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 189                 internal static extern void SendMessage(IntPtr hWnd, TreeViewMessages msg, int wParam, ref TVINSERTSTRUCT lParam);
 190                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 191                 internal static extern void SendMessage(IntPtr hWnd, TreeViewMessages msg, int wParam, ref TVSORTCB lParam);
 192                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 193                 internal static extern int SendMessage(IntPtr hWnd, TreeViewMessages msg, int wParam, ref TVHITTESTINFO hti);
 194                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 195                 internal static extern void SendMessage(IntPtr hWnd, ListViewMessages msg, int wParam, ref LVITEM lParam);
 196                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 197                 internal static extern void SendMessage(IntPtr hWnd, HeaderControlMessages msg, int wParam, ref HDITEM lParam);
 198                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 199                 internal static extern void SendMessage(IntPtr hWnd, HeaderControlMessages msg, int wParam, ref HD_HITTESTINFO hti);
 200                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 201                 internal static extern int SendMessage(IntPtr hWnd, HeaderControlMessages msg, int wParam, int lParam);
 202                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 203                 internal static extern IntPtr PostMessage(IntPtr hWnd, int msg, int wParam, int lParam);
 204                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 205                 internal static extern IntPtr PostMessage(IntPtr hWnd, Msg msg, int wParam, int lParam);
 206                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 207                 internal static extern IntPtr SetWindowsHookEx(WindowsHookCodes hookid, HookProc pfnhook, IntPtr hinst, int threadid);
 208                 [DllImport("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true)]
 209                 internal static extern bool UnhookWindowsHookEx(IntPtr hhook);
 210                 [DllImport("user32.dll", CharSet=CharSet.Auto, ExactSpelling=true)]
 211                 internal static extern IntPtr CallNextHookEx(IntPtr hhook, int code, IntPtr wparam, IntPtr lparam);
 212                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 213                 internal extern static int DrawText(IntPtr hdc, string lpString, int nCount, ref RECT lpRect, DrawTextFormatFlags flags);
 214                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 215                 internal extern static IntPtr GetDlgItem(IntPtr hDlg, int nControlID);
 216                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 217         internal extern static int InvalidateRect(IntPtr hWnd,  ref RECT rc, int bErase);
 218                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 219                 internal extern static int InvalidateRect(IntPtr hWnd,  IntPtr rc, int bErase);
 220                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 221                 internal static extern bool WaitMessage();
 222
 223                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 224                 internal static extern bool PeekMessage(ref MESSAGE msg, int hWnd, int wFilterMin, int wFilterMax, PeekMessageFlags flags);
 225
 226                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 227                 internal static extern bool GetMessage(ref MESSAGE msg, int hWnd, int wFilterMin, int wFilterMax);
 228
 229                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 230                 internal static extern bool TranslateMessage(ref MESSAGE msg);
 231
 232                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 233                 internal static extern bool DispatchMessage(ref MESSAGE msg);
 234
 235                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 236                 internal static extern IntPtr LoadCursor(IntPtr hInstance, CursorType cursor);
 237
 238                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 239                 internal static extern IntPtr SetCursor(IntPtr hCursor);
 240
 241                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 242                 internal static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
 243
 244                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 245                 internal static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT ps);
 246
 247                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 248                 internal static extern bool UpdateLayeredWindow(IntPtr hwnd, IntPtr hdcDst, ref POINT pptDst, ref SIZE psize,
 249                         IntPtr hdcSrc, ref POINT pprSrc, Int32 crKey, ref BLENDFUNCTION pblend, UpdateLayeredWindowFlags dwFlags);
 250
 251                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 252                 internal static extern bool ClientToScreen(IntPtr hWnd, ref POINT pt);
 253
 254                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 255                 internal static extern bool TrackMouseEvent(ref TRACKMOUSEEVENTS tme);
 256
 257                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 258                 internal static extern bool SetWindowRgn(IntPtr hWnd, IntPtr hRgn, bool redraw);
 259
 260                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 261                 internal static extern short GetKeyState(int virtKey);
 262
 263                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 264                 internal static extern bool MoveWindow(IntPtr hWnd, int x, int y, int width, int height, bool repaint);
 265
 266                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 267                 internal static extern int GetClassName(IntPtr hWnd,  StringBuilder ClassName, int nMaxCount);
 268
 269                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 270                 internal static extern int SetWindowLong(IntPtr hWnd, GetWindowLongFlag flag, int dwNewLong);
 271
 272                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 273                 internal static extern int SetWindowLong(IntPtr hWnd, GetWindowLongFlag flag, WinProc winProc);
 274
 275                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 276                 internal static extern IntPtr GetDCEx(IntPtr hWnd, IntPtr hRegion, int flags);
 277
 278                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 279                 internal static extern IntPtr GetWindowDC(IntPtr hWnd);
 280
 281                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 282                 internal static extern int FillRect(IntPtr hDC, ref RECT rect, IntPtr hBrush);
 283
 284                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 285                 internal static extern int SetWindowText(IntPtr hWnd, string text);
 286
 287                 [DllImport("User32.dll", CharSet=CharSet.Auto)]
 288                 internal static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int maxCount);
 289
 290                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 291                 static internal extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
 292
 293                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 294                 static internal extern IntPtr SetClipboardViewer(IntPtr hWndNewViewer);
 295
 296                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 297                 static internal extern int ChangeClipboardChain(IntPtr hWndRemove, IntPtr hWndNewNext);
 298
 299                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 300                 static internal extern int GetSystemMetrics(SystemMetricsCodes code);
 301
 302                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 303                 static internal extern int SetScrollInfo(IntPtr hwnd,  int bar, ref SCROLLINFO si, int fRedraw);
 304
 305                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 306                 static internal extern int ShowScrollBar(IntPtr hWnd, int bar,  int show);
 307
 308                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 309                 static internal extern int EnableScrollBar(IntPtr hWnd, int flags, int arrows);
 310
 311                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 312                 static internal extern int BringWindowToTop(IntPtr hWnd);
 313
 314                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 315                 static internal extern int GetScrollInfo(IntPtr hwnd, int bar, ref SCROLLINFO si);
 316
 317                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 318                 static internal extern int ScrollWindowEx(IntPtr hWnd, int dx, int dy,
 319                         ref RECT rcScroll, ref RECT rcClip, IntPtr UpdateRegion, ref RECT rcInvalidated, int flags);
 320
 321                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 322                 static internal extern bool IsWindow(IntPtr hWnd);
 323
 324                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 325                 static internal extern int LockWindowUpdate(IntPtr hWnd);
 326
 327                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 328                 static internal extern bool ValidateRect(IntPtr hWnd, ref RECT rcInvalidated);
 329
 330                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 331                 static internal extern bool ValidateRect(IntPtr hWnd, IntPtr rc);
 332
 333                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 334                 static internal extern int GetScrollBarInfo(IntPtr hWnd, SystemObject id, ref SCROLLBARINFO sbi);
 335
 336                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 337                 static internal extern IntPtr GetWindowLong(IntPtr hWnd, GetWindowLongFlag flag);
 338
 339                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 340                 static internal extern int SetProp(IntPtr hWnd, IntPtr atom, IntPtr hData);
 341
 342                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 343                 static internal extern int CallWindowProc(IntPtr hOldProc, IntPtr hWnd, int message, int wParam, int lParam);
 344
 345                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 346                 static internal extern int EndMenu();
 347
 348                 [DllImport("user32.dll", CharSet=CharSet.Auto)]
 349         static internal extern int DefWindowProc(IntPtr hWnd, int message, int wParam, int lParam);
 350
 351                 #endregion
 352
 353                 #region Shell32.dll functions
 354
 355                 [DllImport("Shell32.dll", CharSet=CharSet.Auto)]
 356                 internal static extern IntPtr SHGetFileInfo(string drivePath, int fileAttributes,
 357                         out SHFILEINFO fileInfo, int countBytesFileInfo, ShellFileInfoFlags flags);
 358
 359                 [DllImport("Shell32.dll", CharSet=CharSet.Auto)]
 360                 internal static extern IntPtr SHGetFileInfo(IntPtr idl, int fileAttributes,
 361                         out SHFILEINFO fileInfo, int countBytesFileInfo, ShellFileInfoFlags flags);
 362
 363                 [DllImport("Shell32.dll", CharSet=CharSet.Auto)]
 364                 internal static extern int SHGetSpecialFolderLocation(IntPtr hwndOwner, ShellSpecialFolder folder, out IntPtr idl);
 365
 366                 [DllImport("Shell32.dll", CharSet=CharSet.Auto)]
 367                 internal static extern int SHGetMalloc(out IMalloc alloc);
 368
 369                 [DllImport("Shell32.dll", CharSet=CharSet.Auto)]
 370                 internal static extern int SHGetDesktopFolder(out IShellFolder folder);
 371
 372                 [DllImport("Shell32.dll", CharSet=CharSet.Auto)]
 373                 internal static extern int SHGetPathFromIDList(IntPtr idl, StringBuilder path);
 374
 375                 internal static void SHFreeMalloc(IntPtr handle)
 376                 {
 377                         IMalloc alloc = null;
 378                         try
 379                         {
 380                                 Win32.SHGetMalloc(out alloc);
 381                                 Debug.Assert(alloc != null);
 382                                 alloc.Free(handle);
 383                                 // Free allocator itself
 384                                 IUnknown iUnknown = (IUnknown)alloc;
 385                                 iUnknown.Release();
 386                         }
 387                         catch (Exception e)
 388                         {
 389                                 // In case the Garbage collector is trying to free
 390                                 // this memory from its own thread
 391                                 Debug.WriteLine(e.Message);
 392                         }
 393                 }
 394
 395                 #endregion
 396
 397                 #region Common Controls functions
 398
 399                 [DllImport("comctl32.dll")]
 400                 internal static extern bool InitCommonControlsEx(INITCOMMONCONTROLSEX icc);
 401
 402                 [DllImport("comctl32.dll")]
 403                 internal static extern bool InitCommonControls();
 404
 405                 [DllImport("comctl32.dll", EntryPoint="DllGetVersion")]
 406                 internal extern static int GetCommonControlDLLVersion(ref DLLVERSIONINFO dvi);
 407
 408                 [DllImport("comctl32.dll")]
 409                 internal static extern IntPtr ImageList_Create(int width, int height, int flags, int count, int grow);
 410
 411                 [DllImport("comctl32.dll")]
 412                 internal static extern bool ImageList_Destroy(IntPtr handle);
 413
 414                 [DllImport("comctl32.dll")]
 415                 internal static extern int ImageList_Add(IntPtr imageHandle, IntPtr hBitmap, IntPtr hMask);
 416
 417                 [DllImport("comctl32.dll")]
 418                 internal static extern bool ImageList_Remove(IntPtr imageHandle, int index);
 419
 420                 [DllImport("comctl32.dll")]
 421                 internal static extern bool ImageList_BeginDrag(IntPtr imageHandle, int imageIndex, int xHotSpot, int yHotSpot);
 422
 423                 [DllImport("comctl32.dll")]
 424                 internal static extern bool ImageList_DragEnter(IntPtr hWndLock, int x, int y);
 425
 426                 [DllImport("comctl32.dll")]
 427                 internal static extern bool ImageList_DragMove(int x, int y);
 428
 429                 [DllImport("comctl32.dll")]
 430                 internal static extern bool ImageList_DragLeave(IntPtr hWndLock);
 431
 432                 [DllImport("comctl32.dll")]
 433                 internal static extern void ImageList_EndDrag();
 434
 435                 [DllImport("comctl32.dll")]
 436                 internal static extern bool ImageList_Draw(IntPtr hImageList, int imageIndex,
 437                         IntPtr hDCDest, int x, int y, ImageListDrawFlags flags);
 438
 439                 [DllImport("comctl32.dll")]
 440                 internal static extern int ImageList_DrawEx(
 441                         IntPtr hImageList, int imageIndex, IntPtr hDCDest, int x, int y, int dx, int dy,
 442                         uint backColor, uint foregColor, ImageListDrawFlags flags);
 443
 444                 [DllImport("comctl32.dll")]
 445                 internal static extern int ImageList_DragShowNolock(int show);
 446
 447                 [DllImport("comctl32.dll")]
 448                 internal static extern int ImageList_AddMasked(IntPtr hImageList, IntPtr hBitmap, int crMask);
 449
 450                 [DllImport("comctl32.dll")]
 451                 internal static extern int ImageList_SetDragCursorImage(IntPtr himlDrag, int iDrag, int dxHotspot, int dyHotspot);
 452
 453                 internal static int ImageList_DrawEx(IntPtr hImageList, int imageIndex, IntPtr hDCDest, int x, int y, int dx, int dy,
 454                         ImageListDrawColor backColor, ImageListDrawColor foreColor, ImageListDrawFlags flags)
 455                 {
 456             uint bColor = (uint)ImageListDrawColors.CLR_NONE;
 457                         if ( backColor == ImageListDrawColor.Default )
 458                                 bColor =  (uint)ImageListDrawColors.CLR_DEFAULT;
 459
 460                         uint fColor = (uint)ImageListDrawColors.CLR_NONE;
 461                         if ( foreColor == ImageListDrawColor.Default )
 462                                 fColor =  (uint)ImageListDrawColors.CLR_DEFAULT;
 463
 464                         // Call actual function
 465                         return ImageList_DrawEx(hImageList, imageIndex, hDCDest, x, y, dx, dy, bColor, fColor, flags);
 466                 }
 467
 468
 469                 static internal bool IsCommonCtrl6()
 470                 {
 471                         DLLVERSIONINFO dllVersion = new DLLVERSIONINFO();
 472                         // We are assummng here that anything greater or equal than 6
 473                         // will have the new XP theme drawing enable
 474                         dllVersion.cbSize = Marshal.SizeOf(typeof(DLLVERSIONINFO));
 475                         Win32.GetCommonControlDLLVersion(ref dllVersion);
 476                         return (dllVersion.dwMajorVersion >= 6);
 477                 }
 478
 479                 #endregion
 480
 481                 #region Win32 Macro-Like helpers
 482                 internal static int X_LPARAM(int lParam)
 483                 {
 484                         return (lParam & 0xffff);
 485                 }
 486
 487                 internal static int Y_LPARAM(int lParam)
 488                 {
 489                         return (lParam >> 16);
 490                 }
 491
 492                 internal static Point GetPointFromLPARAM(int lParam)
 493                 {
 494                         return new Point(X_LPARAM(lParam), Y_LPARAM(lParam));
 495                 }
 496
 497                 internal static int LOW_ORDER(int param)
 498                 {
 499                         return (param & 0xffff);
 500                 }
 501
 502                 internal static int HIGH_ORDER(int param)
 503                 {
 504                         return (param >> 16);
 505                 }
 506
 507                 internal static int INDEXTOOVERLAYMASK(int index)
 508                 {
 509                         return (int)((uint)index << 8);
 510                 }
 511
 512                 internal static int OVERLAYMASKTOINDEX(int index)
 513                 {
 514                         return (int)((uint)index >> 8);
 515                 }
 516
 517                 internal static int INDEXTOSTATEIMAGEMASK(int i)
 518                 {
 519                         return (int)((uint)i << 12);
 520                 }
 521
 522                 internal static int STATEIMAGEMASKTOINDEX(int i)
 523                 {
 524                          return (int)((uint)i >> 12);
 525                 }
 526
 527                 internal static short HRESULT_CODE(int hr)
 528                 {
 529              return (short)(hr & 0xFFFF);
 530                 }
 531
 532                 internal static bool SUCCEEDED(int status)
 533                 {
 534                         return (status >= 0);
 535                 }
 536
 537                 internal static bool FAILED(int status)
 538                 {
 539                         return (status < 0);
 540                 }
 541
 542                 internal static int  MAKEINTRESOURCE(int res)
 543                 {
 544                         return 0x0000FFFF & res;
 545                 }
 546                 #endregion
 547
 548
 549                 #region Mono win32 Fuinctions
 550
 551                 internal delegate IntPtr WndProc (IntPtr hwnd, Msg msg, IntPtr wParam, IntPtr lParam);
 552
 553                 [DllImport ("user32.dll",
 554                          CallingConvention = CallingConvention.StdCall,
 555                          CharSet = CharSet.Ansi, EntryPoint = "RegisterClassA")]
 556                 internal static extern uint RegisterClass(ref WNDCLASS wndClass);
 557
 558                 #region Added by Dennis hayes 10-20-2002
 559                 //correct?
 560                 [DllImport ("user32.dll",
 561                          CallingConvention = CallingConvention.StdCall,
 562                          CharSet = CharSet.Auto)]
 563                 internal static extern uint SendMessage(
 564                         IntPtr hWnd, uint Msg,
 565                         IntPtr wParam, IntPtr lParam);
 566
 567                 [DllImport ("user32.dll",
 568                          CallingConvention = CallingConvention.StdCall,
 569                          CharSet = CharSet.Auto)]
 570                 internal static extern bool GetWindowPlacement(
 571                         IntPtr hWnd,
 572                         ref  WINDOWPLACEMENT  lpwndpl  // position data
 573                         );
 574                 #endregion
 575
 576                 [DllImport ("user32.dll",
 577                          CallingConvention = CallingConvention.StdCall,
 578                          CharSet = CharSet.Ansi, EntryPoint = "CreateWindowExA")]
 579                 internal static extern IntPtr CreateWindowEx (
 580                         uint dwExStyle, string lpClassName,
 581                         string lpWindowName, uint dwStyle,
 582                         int x, int y, int nWidth, int nHeight,
 583                         IntPtr hWndParent, IntPtr hMenu, IntPtr hInstance,
 584                         ref object lpParam);
 585
 586                 [DllImport ("user32.dll",
 587                          CallingConvention = CallingConvention.StdCall,
 588                          CharSet = CharSet.Auto)]
 589                 internal static extern IntPtr CreateMenu ();
 590
 591                 [DllImport ("user32.dll",
 592                          CallingConvention = CallingConvention.StdCall,
 593                          CharSet = CharSet.Ansi)]
 594                 internal static extern bool AppendMenuA(IntPtr hMenu, uint uflags, IntPtr NewItem, string item);
 595
 596                 [DllImport ("user32.dll",
 597                          CallingConvention = CallingConvention.StdCall)]
 598                 internal static extern bool DestroyMenu (IntPtr hMenu);
 599
 600                 [DllImport ("user32.dll", CallingConvention =
 601                          CallingConvention.StdCall, CharSet = CharSet.Auto)]
 602                 internal extern static IntPtr DefWindowProcA (
 603                         IntPtr hWnd, Msg Msg, IntPtr wParam, IntPtr lParam);
 604
 605                 [DllImport ("user32.dll", CallingConvention =
 606                          CallingConvention.StdCall, CharSet = CharSet.Auto)]
 607                 internal extern static int DestroyWindow (IntPtr hWnd);
 608
 609                 [DllImport ("user32.dll", CallingConvention =
 610                          CallingConvention.StdCall, CharSet = CharSet.Auto)]
 611                 internal static extern int ShowWindow (IntPtr hWnd,
 612                         uint nCmdShow);
 613
 614                 [DllImport ("user32.dll", CallingConvention =
 615                          CallingConvention.StdCall,CharSet = CharSet.Auto)]
 616                 internal static extern int GetMessageA (ref MSG msg, int hwnd,
 617                         int msgFrom,  int msgTo);
 618
 619                 [DllImport ("user32.dll", CallingConvention =
 620                          CallingConvention.StdCall, CharSet = CharSet.Auto)]
 621                 internal static extern int  TranslateMessage (ref MSG msg);
 622
 623                 [DllImport ("user32.dll", CallingConvention =
 624                          CallingConvention.StdCall, CharSet = CharSet.Auto)]
 625                 internal static extern int DispatchMessageA (ref MSG msg);
 626
 627                 [DllImport ("user32.dll", CallingConvention =
 628                          CallingConvention.StdCall, CharSet = CharSet.Auto)]
 629                 internal static extern int PeekMessageA (
 630                         ref MSG msg, IntPtr hWnd, uint wMsgFilterMin,
 631                         uint wMsgFilterMax, uint wRemoveMsg);
 632
 633                 [DllImport ("user32.dll", CallingConvention =
 634                          CallingConvention.StdCall,
 635                          CharSet = CharSet.Auto)]
 636                 internal extern static void PostQuitMessage (int nExitCode);
 637
 638                 [DllImport ("user32.dll", CallingConvention =
 639                          CallingConvention.StdCall,
 640                          CharSet = CharSet.Auto)]
 641                 internal extern static IntPtr SetActiveWindow (IntPtr hWnd);
 642
 643                 [DllImport ("user32.dll", CallingConvention =
 644                          CallingConvention.StdCall,
 645                          CharSet = CharSet.Auto)]
 646                 internal extern static int CloseWindow (IntPtr hWnd);
 647
 648                 [DllImport ("user32.dll", CallingConvention =
 649                          CallingConvention.StdCall,
 650                          CharSet = CharSet.Auto)]
 651                 internal extern static int SetWindowPos (
 652                         IntPtr hWnd, SetWindowPosZOrder pos,
 653                         int X, int Y, int cx, int cy, SetWindowPosFlags uFlags);
 654
 655                 [DllImport ("user32.dll",
 656                          CallingConvention = CallingConvention.StdCall,
 657                          CharSet = CharSet.Auto)]
 658                 internal static extern int MessageBoxA (
 659                         IntPtr hWnd, string pText, string pCaption, uint uType);
 660
 661                 [DllImport ("user32.dll",
 662                          CallingConvention = CallingConvention.StdCall,
 663                          CharSet = CharSet.Auto)]
 664                 internal static extern IntPtr SetParent (
 665                         IntPtr hWndChild, IntPtr hWndNewParent);
 666
 667                 [DllImport ("user32.dll",
 668                          CallingConvention = CallingConvention.StdCall,
 669                          CharSet = CharSet.Auto)]
 670                 internal static extern IntPtr GetParent (IntPtr hWnd);
 671
 672                 [DllImport ("user32.dll",
 673                          CallingConvention = CallingConvention.StdCall,
 674                          CharSet = CharSet.Auto)]
 675                 internal static extern bool SetWindowTextA (
 676                         IntPtr hWnd, string lpString);
 677
 678                 [DllImport ("user32.dll",
 679                          CallingConvention = CallingConvention.StdCall,
 680                          CharSet = CharSet.Auto)]
 681                 internal static extern bool UpdateWindow (IntPtr hWnd);
 682
 683                 [DllImport ("user32.dll",
 684                          CallingConvention = CallingConvention.StdCall,
 685                          CharSet = CharSet.Auto)]
 686                 internal static extern uint GetBkColor (IntPtr hdc);
 687
 688                 [DllImport ("user32.dll",
 689                          CallingConvention = CallingConvention.StdCall,
 690                          CharSet = CharSet.Auto)]
 691                 internal static extern uint SetBkColor (IntPtr hdc, uint crColor);
 692
 693                 [DllImport ("user32.dll",
 694                          CallingConvention = CallingConvention.StdCall,
 695                          CharSet = CharSet.Auto)]
 696                 internal static extern IntPtr GetDC (IntPtr hWnd);
 697
 698                 [DllImport ("user32.dll",
 699                          CallingConvention = CallingConvention.StdCall,
 700                          CharSet = CharSet.Auto)]
 701                 internal static extern int ReleaseDC (IntPtr hWnd, IntPtr hDC);
 702
 703                 [DllImport ("user32.dll",
 704                          CallingConvention = CallingConvention.StdCall,
 705                          CharSet = CharSet.Auto)]
 706                 internal static extern IntPtr GetFocus();
 707
 708                 [DllImport ("user32.dll",
 709                          CallingConvention = CallingConvention.StdCall,
 710                          CharSet = CharSet.Auto)]
 711                 internal static extern IntPtr SetFocus (IntPtr hWnd);
 712
 713                 [DllImport ("user32.dll",
 714                          CallingConvention = CallingConvention.StdCall,
 715                          CharSet = CharSet.Auto)]
 716                 internal static extern bool IsWindowEnabled (IntPtr hWnd);
 717
 718                 [DllImport ("user32.dll",
 719                          CallingConvention = CallingConvention.StdCall,
 720                          CharSet = CharSet.Auto)]
 721                 internal static extern bool IsMenu (IntPtr hWnd);
 722
 723
 724                 [DllImport ("user32.dll",
 725                          CallingConvention = CallingConvention.StdCall,
 726                          CharSet = CharSet.Auto)]
 727                 internal static extern bool EnableWindow (
 728                         IntPtr hWnd, bool bEnable);
 729
 730                 [DllImport ("user32.dll",
 731                          CallingConvention = CallingConvention.StdCall,
 732                          CharSet = CharSet.Auto)]
 733                 internal static extern bool GetWindowRect (
 734                         IntPtr hWnd, ref RECT lpRect);
 735
 736                 [DllImport ("user32.dll",
 737                          CallingConvention = CallingConvention.StdCall,
 738                          CharSet = CharSet.Auto)]
 739                 internal static extern bool GetClientRect (
 740                         IntPtr hWnd, ref RECT lpRect);
 741
 742                 [DllImport ("user32.dll",
 743                          CallingConvention = CallingConvention.StdCall,
 744                          CharSet = CharSet.Auto)]
 745                 internal static extern bool InvalidateRect (
 746                         IntPtr hWnd, ref RECT lpRect, bool bErase);
 747
 748                 [DllImport ("user32.dll",
 749                          CallingConvention = CallingConvention.StdCall,
 750                          CharSet = CharSet.Auto)]
 751                 internal static extern IntPtr GetCapture ();
 752
 753                 [DllImport ("user32.dll",
 754                          CallingConvention = CallingConvention.StdCall,
 755                          CharSet = CharSet.Auto)]
 756                 internal static extern IntPtr SetCapture (IntPtr hWnd);
 757
 758                 [DllImport ("user32.dll",
 759                          CallingConvention = CallingConvention.StdCall,
 760                          CharSet = CharSet.Auto)]
 761                 internal static extern bool ReleaseCapture ();
 762
 763                 [DllImport ("user32.dll",
 764                          CallingConvention = CallingConvention.StdCall,
 765                          CharSet = CharSet.Auto)]
 766                 internal static extern int GetWindowTextA (
 767                         IntPtr hWnd, ref String lpString, int nMaxCount);
 768
 769                 [DllImport ("user32.dll",
 770                          CallingConvention = CallingConvention.StdCall,
 771                          CharSet = CharSet.Auto)]
 772                 internal static extern int GetWindowTextLengthA (IntPtr hWnd);
 773
 774                 [DllImport ("user32.dll",
 775                          CallingConvention = CallingConvention.StdCall,
 776                          CharSet = CharSet.Auto)]
 777                 internal static extern bool GetCursorPos (ref POINT lpPoint);
 778
 779                 #endregion
 780
 781                 [DllImport ("user32.dll",
 782                          CallingConvention = CallingConvention.StdCall,
 783                          CharSet = CharSet.Auto)]
 784                 internal static extern IntPtr GetMenu (IntPtr hWnd);
 785
 786                 [DllImport ("user32.dll",
 787                          CallingConvention = CallingConvention.StdCall,
 788                          CharSet = CharSet.Auto)]
 789                 internal static extern int SetMenu (IntPtr hWnd, IntPtr hMenu);
 790
 791                 [DllImport ("user32.dll",
 792                          CallingConvention = CallingConvention.StdCall,
 793                          CharSet = CharSet.Ansi)]
 794                 internal static extern int InsertMenuA(IntPtr hMenu, uint pos, uint uflags, IntPtr NewItem, string item);
 795
 796                 [DllImport ("user32.dll",
 797                          CallingConvention = CallingConvention.StdCall,
 798                          CharSet = CharSet.Ansi)]
 799                 internal static extern int RemoveMenu(IntPtr hMenu, uint pos, uint uflags);
 800
 801                 [DllImport ("user32.dll",
 802                          CallingConvention = CallingConvention.StdCall)]
 803                 internal static extern int DrawMenuBar (IntPtr hWnd);
 804
 805                 [DllImport ("user32.dll",
 806                          CallingConvention = CallingConvention.StdCall)]
 807                 internal static extern int SetMenuDefaultItem(IntPtr hMenu, int uItem, int fByPos );
 808
 809
 810                 [DllImport ("user32.dll", CallingConvention =
 811                          CallingConvention.StdCall,
 812                          CharSet = CharSet.Auto)]
 813                 internal extern static int AdjustWindowRect (
 814                         ref RECT rc, int dwStyle, int bMenu);
 815
 816
 817
 818                 [DllImport ("kernel32.dll", CallingConvention =
 819                          CallingConvention.StdCall,
 820                          CharSet = CharSet.Auto)]
 821                 internal extern static uint GetLastError ();
 822
 823                 [DllImport ("kernel32.dll", CallingConvention =
 824                          CallingConvention.StdCall,
 825                          CharSet = CharSet.Auto)]
 826                 internal extern static uint  FormatMessage (
 827                         uint flags, IntPtr lpSource,
 828                         uint messageId, uint languageId,
 829                         StringBuilder lpBuffer, int nSize,
 830                         IntPtr Arguments);
 831
 832                 internal static string FormatMessage(uint error) {
 833                         StringBuilder sb = new StringBuilder(2048);
 834                         Win32.FormatMessage( (uint)(FM_.FORMAT_MESSAGE_FROM_SYSTEM | FM_.FORMAT_MESSAGE_IGNORE_INSERTS),
 835                                 IntPtr.Zero, error, 0, sb, sb.Capacity, IntPtr.Zero);
 836                         return sb.ToString();
 837                 }
 838
 839
 840
 841         }
 842
 843 }