git.oblomov.eu Git - wine/blob - dlls/shell32/shell.c

   1 /*
   2  *                              Shell Library Functions
   3  *
   4  * Copyright 1998 Marcus Meissner
   5  * Copyright 2000 Juergen Schmied
   6  * Copyright 2002 Eric Pouech
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #ifdef HAVE_UNISTD_H
  29 # include <unistd.h>
  30 #endif
  31 #include <ctype.h>
  32
  33 #include "windef.h"
  34 #include "winerror.h"
  35 #include "winreg.h"
  36 #include "wownt32.h"
  37 #include "dlgs.h"
  38 #include "shellapi.h"
  39 #include "shlobj.h"
  40 #include "shlwapi.h"
  41 #include "ddeml.h"
  42
  43 #include "wine/winbase16.h"
  44 #include "wine/winuser16.h"
  45 #include "shell32_main.h"
  46
  47 #include "wine/debug.h"
  48
  49 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  50 WINE_DECLARE_DEBUG_CHANNEL(exec);
  51
  52
  53 typedef struct {     /* structure for dropped files */
  54  WORD     wSize;
  55  POINT16  ptMousePos;
  56  BOOL16   fInNonClientArea;
  57  /* memory block with filenames follows */
  58 } DROPFILESTRUCT16, *LPDROPFILESTRUCT16;
  59
  60 static const char*      lpstrMsgWndCreated = "OTHERWINDOWCREATED";
  61 static const char*      lpstrMsgWndDestroyed = "OTHERWINDOWDESTROYED";
  62 static const char*      lpstrMsgShellActivate = "ACTIVATESHELLWINDOW";
  63
  64 static HWND     SHELL_hWnd = 0;
  65 static HHOOK    SHELL_hHook = 0;
  66 static UINT     uMsgWndCreated = 0;
  67 static UINT     uMsgWndDestroyed = 0;
  68 static UINT     uMsgShellActivate = 0;
  69 HINSTANCE16     SHELL_hInstance = 0;
  70 HINSTANCE SHELL_hInstance32;
  71 static int SHELL_Attach = 0;
  72
  73 /***********************************************************************
  74  * DllEntryPoint [SHELL.101]
  75  *
  76  * Initialization code for shell.dll. Automatically loads the
  77  * 32-bit shell32.dll to allow thunking up to 32-bit code.
  78  *
  79  * RETURNS:
  80  */
  81 BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
  82                                 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
  83 {
  84     TRACE("(%08lx, %04x, %04x, %04x, %08lx, %04x)\n",
  85           Reason, hInst, ds, HeapSize, res1, res2);
  86
  87     switch(Reason)
  88     {
  89     case DLL_PROCESS_ATTACH:
  90         if (SHELL_Attach++) break;
  91         SHELL_hInstance = hInst;
  92         if(!SHELL_hInstance32)
  93         {
  94             if(!(SHELL_hInstance32 = LoadLibraryA("shell32.dll")))
  95             {
  96                 ERR("Could not load sibling shell32.dll\n");
  97                 return FALSE;
  98             }
  99         }
 100         break;
 101
 102     case DLL_PROCESS_DETACH:
 103         if(!--SHELL_Attach)
 104         {
 105             SHELL_hInstance = 0;
 106             if(SHELL_hInstance32)
 107                 FreeLibrary(SHELL_hInstance32);
 108         }
 109         break;
 110     }
 111     return TRUE;
 112 }
 113
 114 /*************************************************************************
 115  *                              DragAcceptFiles         [SHELL.9]
 116  */
 117 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
 118 {
 119   DragAcceptFiles(HWND_32(hWnd), b);
 120 }
 121
 122 /*************************************************************************
 123  *                              DragQueryFile           [SHELL.11]
 124  */
 125 UINT16 WINAPI DragQueryFile16(
 126         HDROP16 hDrop,
 127         WORD wFile,
 128         LPSTR lpszFile,
 129         WORD wLength)
 130 {
 131         LPSTR lpDrop;
 132         UINT i = 0;
 133         LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 134
 135         TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
 136
 137         if(!lpDropFileStruct) goto end;
 138
 139         lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
 140         wFile = (wFile==0xffff) ? 0xffffffff : wFile;
 141
 142         while (i++ < wFile)
 143         {
 144           while (*lpDrop++); /* skip filename */
 145           if (!*lpDrop)
 146           {
 147             i = (wFile == 0xFFFFFFFF) ? i : 0;
 148             goto end;
 149           }
 150         }
 151
 152         i = strlen(lpDrop);
 153         i++;
 154         if (!lpszFile ) goto end;   /* needed buffer size */
 155         i = (wLength > i) ? i : wLength;
 156         lstrcpynA (lpszFile,  lpDrop,  i);
 157 end:
 158         GlobalUnlock16(hDrop);
 159         return i;
 160 }
 161
 162 /*************************************************************************
 163  *                              DragFinish              [SHELL.12]
 164  */
 165 void WINAPI DragFinish16(HDROP16 h)
 166 {
 167     TRACE("\n");
 168     GlobalFree16((HGLOBAL16)h);
 169 }
 170
 171
 172 /*************************************************************************
 173  *                              DragQueryPoint          [SHELL.13]
 174  */
 175 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
 176 {
 177   LPDROPFILESTRUCT16 lpDropFileStruct;
 178   BOOL16           bRet;
 179   TRACE("\n");
 180   lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 181
 182   memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 183   bRet = lpDropFileStruct->fInNonClientArea;
 184
 185   GlobalUnlock16(hDrop);
 186   return bRet;
 187 }
 188
 189 /*************************************************************************
 190  *             FindExecutable   (SHELL.21)
 191  */
 192 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
 193                                      LPSTR lpResult )
 194 { return (HINSTANCE16)FindExecutableA( lpFile, lpDirectory, lpResult );
 195 }
 196
 197
 198 /*************************************************************************
 199  *             AboutDlgProc   (SHELL.33)
 200  */
 201 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
 202                                LPARAM lParam )
 203 { return AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
 204 }
 205
 206
 207 /*************************************************************************
 208  *             ShellAbout   (SHELL.22)
 209  */
 210 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 211                             HICON16 hIcon )
 212 { return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
 213 }
 214
 215 /*************************************************************************
 216  *                      InternalExtractIcon             [SHELL.39]
 217  *
 218  * This abortion is called directly by Progman
 219  */
 220 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
 221                                      LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
 222 {
 223     HGLOBAL16 hRet = 0;
 224     HICON16 *RetPtr = NULL;
 225     OFSTRUCT ofs;
 226     HFILE hFile;
 227
 228         TRACE("(%04x,file %s,start %d,extract %d\n",
 229                        hInstance, lpszExeFileName, nIconIndex, n);
 230
 231         if( !n )
 232           return 0;
 233
 234         hFile = OpenFile( lpszExeFileName, &ofs, OF_READ|OF_EXIST );
 235
 236         hRet = GlobalAlloc16( GMEM_FIXED | GMEM_ZEROINIT, sizeof(HICON16)*n);
 237         RetPtr = (HICON16*)GlobalLock16(hRet);
 238
 239         if (hFile == HFILE_ERROR)
 240         { /* not found - load from builtin module if available */
 241           HINSTANCE hInst = (HINSTANCE)LoadLibrary16(lpszExeFileName);
 242
 243           if (hInst < 32) /* hmm, no Win16 module - try Win32 :-) */
 244             hInst = LoadLibraryA(lpszExeFileName);
 245           if (hInst)
 246           {
 247             int i;
 248             for (i=nIconIndex; i < nIconIndex + n; i++)
 249               RetPtr[i-nIconIndex] =
 250                       HICON_16(LoadIconA(hInst, (LPCSTR)(DWORD)i));
 251             FreeLibrary(hInst);
 252             return hRet;
 253           }
 254           GlobalFree16( hRet );
 255           return 0;
 256         }
 257
 258         if (nIconIndex == (UINT16)-1)  /* get number of icons */
 259         {
 260             RetPtr[0] = PrivateExtractIconsA( ofs.szPathName, -1, 0, 0, NULL, 0, 0, 0 );
 261         }
 262         else
 263         {
 264             HRESULT res;
 265             HICON *icons;
 266             icons = HeapAlloc( GetProcessHeap(), 0, n * sizeof(*icons) );
 267             res = PrivateExtractIconsA( ofs.szPathName, nIconIndex,
 268                                         GetSystemMetrics(SM_CXICON),
 269                                         GetSystemMetrics(SM_CYICON),
 270                                         icons, 0, n, 0 );
 271             if (!res)
 272             {
 273                 int i;
 274                 for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
 275             }
 276             else
 277             {
 278                 GlobalFree16( hRet );
 279                 hRet = 0;
 280             }
 281             HeapFree( GetProcessHeap(), 0, icons );
 282         }
 283         return hRet;
 284 }
 285
 286 /*************************************************************************
 287  *             ExtractIcon   (SHELL.34)
 288  */
 289 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
 290         UINT16 nIconIndex )
 291 {   TRACE("\n");
 292     return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
 293 }
 294
 295 /*************************************************************************
 296  *             ExtractIconEx   (SHELL.40)
 297  */
 298 HICON16 WINAPI ExtractIconEx16(
 299         LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
 300         HICON16 *phiconSmall, UINT16 nIcons
 301 ) {
 302     HICON       *ilarge,*ismall;
 303     UINT16      ret;
 304     int         i;
 305
 306     if (phiconLarge)
 307         ilarge = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 308     else
 309         ilarge = NULL;
 310     if (phiconSmall)
 311         ismall = (HICON*)HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 312     else
 313         ismall = NULL;
 314     ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
 315     if (ilarge) {
 316         for (i=0;i<nIcons;i++)
 317             phiconLarge[i]=HICON_16(ilarge[i]);
 318         HeapFree(GetProcessHeap(),0,ilarge);
 319     }
 320     if (ismall) {
 321         for (i=0;i<nIcons;i++)
 322             phiconSmall[i]=HICON_16(ismall[i]);
 323         HeapFree(GetProcessHeap(),0,ismall);
 324     }
 325     return ret;
 326 }
 327
 328 /*************************************************************************
 329  *                              ExtractAssociatedIcon   [SHELL.36]
 330  *
 331  * Return icon for given file (either from file itself or from associated
 332  * executable) and patch parameters if needed.
 333  */
 334 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 335 {
 336     return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
 337                     lpiIcon));
 338 }
 339
 340 /*************************************************************************
 341  *                              FindEnvironmentString   [SHELL.38]
 342  *
 343  * Returns a pointer into the DOS environment... Ugh.
 344  */
 345 LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 346 { UINT16 l;
 347
 348   TRACE("\n");
 349
 350   l = strlen(entry);
 351   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 352   { if( strncasecmp(lpEnv, entry, l) )
 353       continue;
 354         if( !*(lpEnv+l) )
 355             return (lpEnv + l);                 /* empty entry */
 356         else if ( *(lpEnv+l)== '=' )
 357             return (lpEnv + l + 1);
 358     }
 359     return NULL;
 360 }
 361
 362 /**********************************************************************/
 363
 364 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
 365 { SEGPTR  spEnv;
 366   LPSTR lpEnv,lpString;
 367   TRACE("\n");
 368
 369   spEnv = GetDOSEnvironment16();
 370
 371   lpEnv = MapSL(spEnv);
 372   lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 373
 374     if( lpString )              /*  offset should be small enough */
 375         return spEnv + (lpString - lpEnv);
 376     return (SEGPTR)NULL;
 377 }
 378
 379 /*************************************************************************
 380  *                              DoEnvironmentSubst      [SHELL.37]
 381  *
 382  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 383  * from "DOS" environment.
 384  */
 385 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
 386 {
 387   LPSTR   lpEnv = MapSL(GetDOSEnvironment16());
 388   LPSTR   lpBuffer = (LPSTR)HeapAlloc( GetProcessHeap(), 0, length);
 389   LPSTR   lpstr = str;
 390   LPSTR   lpbstr = lpBuffer;
 391
 392   CharToOemA(str,str);
 393
 394   TRACE("accept %s\n", str);
 395
 396   while( *lpstr && lpbstr - lpBuffer < length )
 397    {
 398      LPSTR lpend = lpstr;
 399
 400      if( *lpstr == '%' )
 401        {
 402           do { lpend++; } while( *lpend && *lpend != '%' );
 403           if( *lpend == '%' && lpend - lpstr > 1 )      /* found key */
 404             {
 405                LPSTR lpKey;
 406               *lpend = '\0';
 407                lpKey = SHELL_FindString(lpEnv, lpstr+1);
 408                if( lpKey )                              /* found key value */
 409                  {
 410                    int l = strlen(lpKey);
 411
 412                    if( l > length - (lpbstr - lpBuffer) - 1 )
 413                      {
 414            WARN("-- Env subst aborted - string too short\n");
 415                       *lpend = '%';
 416                        break;
 417                      }
 418                    strcpy(lpbstr, lpKey);
 419                    lpbstr += l;
 420                  }
 421                else break;
 422               *lpend = '%';
 423                lpstr = lpend + 1;
 424             }
 425           else break;                                   /* back off and whine */
 426
 427           continue;
 428        }
 429
 430      *lpbstr++ = *lpstr++;
 431    }
 432
 433  *lpbstr = '\0';
 434   if( lpstr - str == strlen(str) )
 435     {
 436       strncpy(str, lpBuffer, length);
 437       length = 1;
 438     }
 439   else
 440       length = 0;
 441
 442   TRACE("-- return %s\n", str);
 443
 444   OemToCharA(str,str);
 445   HeapFree( GetProcessHeap(), 0, lpBuffer);
 446
 447   /*  Return str length in the LOWORD
 448    *  and 1 in HIWORD if subst was successful.
 449    */
 450  return (DWORD)MAKELONG(strlen(str), length);
 451 }
 452
 453 /*************************************************************************
 454  *                              SHELL_HookProc
 455  *
 456  * 32-bit version of the system-wide WH_SHELL hook.
 457  */
 458 static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
 459 {
 460     TRACE("%i, %x, %08lx\n", code, wParam, lParam );
 461
 462     if (SHELL_hWnd)
 463     {
 464         switch( code )
 465         {
 466         case HSHELL_WINDOWCREATED:
 467             PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
 468             break;
 469         case HSHELL_WINDOWDESTROYED:
 470             PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
 471             break;
 472         case HSHELL_ACTIVATESHELLWINDOW:
 473             PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
 474             break;
 475         }
 476     }
 477     return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
 478 }
 479
 480 /*************************************************************************
 481  *                              ShellHookProc           [SHELL.103]
 482  * System-wide WH_SHELL hook.
 483  */
 484 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
 485 {
 486     return SHELL_HookProc( code, wParam, lParam );
 487 }
 488
 489 /*************************************************************************
 490  *                              RegisterShellHook       [SHELL.102]
 491  */
 492 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
 493 {
 494     TRACE("%04x [%u]\n", hWnd, uAction );
 495
 496     switch( uAction )
 497     {
 498     case 2:  /* register hWnd as a shell window */
 499         if( !SHELL_hHook )
 500         {
 501             SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
 502                                              GetModuleHandleA("shell32.dll"), 0 );
 503             if ( SHELL_hHook )
 504             {
 505                 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
 506                 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
 507                 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
 508             }
 509             else
 510                 WARN("-- unable to install ShellHookProc()!\n");
 511         }
 512
 513         if ( SHELL_hHook )
 514             return ((SHELL_hWnd = HWND_32(hWnd)) != 0);
 515         break;
 516
 517     default:
 518         WARN("-- unknown code %i\n", uAction );
 519         SHELL_hWnd = 0; /* just in case */
 520     }
 521     return FALSE;
 522 }
 523
 524
 525 /***********************************************************************
 526  *           DriveType   (SHELL.262)
 527  */
 528 UINT16 WINAPI DriveType16( UINT16 drive )
 529 {
 530     UINT ret;
 531     char path[] = "A:\\";
 532     path[0] += drive;
 533     ret = GetDriveTypeA(path);
 534     switch(ret)  /* some values are not supported in Win16 */
 535     {
 536     case DRIVE_CDROM:
 537         ret = DRIVE_REMOTE;
 538         break;
 539     case DRIVE_NO_ROOT_DIR:
 540         ret = DRIVE_UNKNOWN;
 541         break;
 542     }
 543     return ret;
 544 }
 545
 546
 547 /* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
 548  * some programs. Do not remove those cases. -MM
 549  */
 550 static inline void fix_win16_hkey( HKEY *hkey )
 551 {
 552     if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
 553 }
 554
 555 /******************************************************************************
 556  *           RegOpenKey   [SHELL.1]
 557  */
 558 DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
 559 {
 560     fix_win16_hkey( &hkey );
 561     return RegOpenKeyA( hkey, name, retkey );
 562 }
 563
 564 /******************************************************************************
 565  *           RegCreateKey   [SHELL.2]
 566  */
 567 DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
 568 {
 569     fix_win16_hkey( &hkey );
 570     return RegCreateKeyA( hkey, name, retkey );
 571 }
 572
 573 /******************************************************************************
 574  *           RegCloseKey   [SHELL.3]
 575  */
 576 DWORD WINAPI RegCloseKey16( HKEY hkey )
 577 {
 578     fix_win16_hkey( &hkey );
 579     return RegCloseKey( hkey );
 580 }
 581
 582 /******************************************************************************
 583  *           RegDeleteKey   [SHELL.4]
 584  */
 585 DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
 586 {
 587     fix_win16_hkey( &hkey );
 588     return RegDeleteKeyA( hkey, name );
 589 }
 590
 591 /******************************************************************************
 592  *           RegSetValue   [SHELL.5]
 593  */
 594 DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
 595 {
 596     fix_win16_hkey( &hkey );
 597     return RegSetValueA( hkey, name, type, data, count );
 598 }
 599
 600 /******************************************************************************
 601  *           RegQueryValue   [SHELL.6]
 602  *
 603  * NOTES
 604  *    Is this HACK still applicable?
 605  *
 606  * HACK
 607  *    The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
 608  *    mask out the high 16 bit.  This (not so much incidently) hopefully fixes
 609  *    Aldus FH4)
 610  */
 611 DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
 612 )
 613 {
 614     fix_win16_hkey( &hkey );
 615     if (count) *count &= 0xffff;
 616     return RegQueryValueA( hkey, name, data, count );
 617 }
 618
 619 /******************************************************************************
 620  *           RegEnumKey   [SHELL.7]
 621  */
 622 DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
 623 {
 624     fix_win16_hkey( &hkey );
 625     return RegEnumKeyA( hkey, index, name, name_len );
 626 }
 627
 628 /*************************************************************************
 629  *           SHELL_Execute16 [Internal]
 630  */
 631 static HINSTANCE SHELL_Execute16(char *lpCmd, LPSHELLEXECUTEINFOA sei, BOOL shWait)
 632 {
 633     sei->hInstApp = WinExec16(lpCmd, sei->nShow);
 634     return sei->hInstApp;
 635 }
 636
 637 /*************************************************************************
 638  *                              ShellExecute            [SHELL.20]
 639  */
 640 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
 641                                    LPCSTR lpFile, LPCSTR lpParameters,
 642                                    LPCSTR lpDirectory, INT16 iShowCmd )
 643 {
 644     SHELLEXECUTEINFOA sei;
 645     HANDLE hProcess = 0;
 646
 647     sei.cbSize = sizeof(sei);
 648     sei.fMask = 0;
 649     sei.hwnd = HWND_32(hWnd);
 650     sei.lpVerb = lpOperation;
 651     sei.lpFile = lpFile;
 652     sei.lpParameters = lpParameters;
 653     sei.lpDirectory = lpDirectory;
 654     sei.nShow = iShowCmd;
 655     sei.lpIDList = 0;
 656     sei.lpClass = 0;
 657     sei.hkeyClass = 0;
 658     sei.dwHotKey = 0;
 659     sei.hProcess = hProcess;
 660
 661     ShellExecuteExA32 (&sei, SHELL_Execute16);
 662     return (HINSTANCE16)sei.hInstApp;
 663 }