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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <stdarg.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #ifdef HAVE_UNISTD_H
  30 # include <unistd.h>
  31 #endif
  32 #include <ctype.h>
  33
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winreg.h"
  37 #include "wownt32.h"
  38 #include "shellapi.h"
  39 #include "winuser.h"
  40 #include "wingdi.h"
  41 #include "shlobj.h"
  42 #include "shlwapi.h"
  43
  44 #include "wine/winbase16.h"
  45 #include "wine/winuser16.h"
  46 #include "shell32_main.h"
  47
  48 #include "wine/debug.h"
  49
  50 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  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
  70 /***********************************************************************
  71  * DllEntryPoint [SHELL.101]
  72  *
  73  * Initialization code for shell.dll. Automatically loads the
  74  * 32-bit shell32.dll to allow thunking up to 32-bit code.
  75  *
  76  * RETURNS
  77  *  Success: TRUE. Initialization completed successfully.
  78  *  Failure: FALSE.
  79  */
  80 BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
  81                                 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
  82 {
  83     return TRUE;
  84 }
  85
  86 /*************************************************************************
  87  *                              DragAcceptFiles         [SHELL.9]
  88  */
  89 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
  90 {
  91   DragAcceptFiles(HWND_32(hWnd), b);
  92 }
  93
  94 /*************************************************************************
  95  *                              DragQueryFile           [SHELL.11]
  96  */
  97 UINT16 WINAPI DragQueryFile16(
  98         HDROP16 hDrop,
  99         WORD wFile,
 100         LPSTR lpszFile,
 101         WORD wLength)
 102 {
 103         LPSTR lpDrop;
 104         UINT i = 0;
 105         LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 106
 107         TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
 108
 109         if(!lpDropFileStruct) goto end;
 110
 111         lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
 112
 113         while (i++ < wFile)
 114         {
 115           while (*lpDrop++); /* skip filename */
 116           if (!*lpDrop)
 117           {
 118             i = (wFile == 0xFFFF) ? i : 0;
 119             goto end;
 120           }
 121         }
 122
 123         i = strlen(lpDrop);
 124         if (!lpszFile ) goto end;   /* needed buffer size */
 125         lstrcpynA (lpszFile, lpDrop, wLength);
 126 end:
 127         GlobalUnlock16(hDrop);
 128         return i;
 129 }
 130
 131 /*************************************************************************
 132  *                              DragFinish              [SHELL.12]
 133  */
 134 void WINAPI DragFinish16(HDROP16 h)
 135 {
 136     TRACE("\n");
 137     GlobalFree16((HGLOBAL16)h);
 138 }
 139
 140
 141 /*************************************************************************
 142  *                              DragQueryPoint          [SHELL.13]
 143  */
 144 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
 145 {
 146   LPDROPFILESTRUCT16 lpDropFileStruct;
 147   BOOL16           bRet;
 148   TRACE("\n");
 149   lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 150
 151   memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 152   bRet = lpDropFileStruct->fInNonClientArea;
 153
 154   GlobalUnlock16(hDrop);
 155   return bRet;
 156 }
 157
 158 /*************************************************************************
 159  *             FindExecutable   (SHELL.21)
 160  */
 161 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
 162                                      LPSTR lpResult )
 163 { return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
 164 }
 165
 166 /*************************************************************************
 167  *             AboutDlgProc   (SHELL.33)
 168  */
 169 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
 170                                LPARAM lParam )
 171 { return (BOOL16)AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
 172 }
 173
 174
 175 /*************************************************************************
 176  *             ShellAbout   (SHELL.22)
 177  */
 178 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 179                             HICON16 hIcon )
 180 { return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
 181 }
 182
 183 /*************************************************************************
 184  *                      InternalExtractIcon             [SHELL.39]
 185  *
 186  * This abortion is called directly by Progman
 187  */
 188 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
 189                                      LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
 190 {
 191     HGLOBAL16 hRet = 0;
 192     HICON16 *RetPtr = NULL;
 193     OFSTRUCT ofs;
 194
 195         TRACE("(%04x,file %s,start %d,extract %d\n",
 196                        hInstance, lpszExeFileName, nIconIndex, n);
 197
 198         if (!n)
 199           return 0;
 200
 201         hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
 202         RetPtr = (HICON16*)GlobalLock16(hRet);
 203
 204         if (nIconIndex == (UINT16)-1)  /* get number of icons */
 205         {
 206           RetPtr[0] = PrivateExtractIconsA(ofs.szPathName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
 207         }
 208         else
 209         {
 210           UINT ret;
 211           HICON *icons;
 212
 213           icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
 214           ret = PrivateExtractIconsA(ofs.szPathName, nIconIndex,
 215                                      GetSystemMetrics(SM_CXICON),
 216                                      GetSystemMetrics(SM_CYICON),
 217                                      icons, NULL, n, LR_DEFAULTCOLOR);
 218           if ((ret != 0xffffffff) && ret)
 219           {
 220             int i;
 221             for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
 222           }
 223           else
 224           {
 225             GlobalFree16(hRet);
 226             hRet = 0;
 227           }
 228           HeapFree(GetProcessHeap(), 0, icons);
 229         }
 230         return hRet;
 231 }
 232
 233 /*************************************************************************
 234  *             ExtractIcon   (SHELL.34)
 235  */
 236 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
 237         UINT16 nIconIndex )
 238 {   TRACE("\n");
 239     return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
 240 }
 241
 242 /*************************************************************************
 243  *             ExtractIconEx   (SHELL.40)
 244  */
 245 HICON16 WINAPI ExtractIconEx16(
 246         LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
 247         HICON16 *phiconSmall, UINT16 nIcons
 248 ) {
 249     HICON       *ilarge,*ismall;
 250     UINT16      ret;
 251     int         i;
 252
 253     if (phiconLarge)
 254         ilarge = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 255     else
 256         ilarge = NULL;
 257     if (phiconSmall)
 258         ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 259     else
 260         ismall = NULL;
 261     ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
 262     if (ilarge) {
 263         for (i=0;i<nIcons;i++)
 264             phiconLarge[i]=HICON_16(ilarge[i]);
 265         HeapFree(GetProcessHeap(),0,ilarge);
 266     }
 267     if (ismall) {
 268         for (i=0;i<nIcons;i++)
 269             phiconSmall[i]=HICON_16(ismall[i]);
 270         HeapFree(GetProcessHeap(),0,ismall);
 271     }
 272     return ret;
 273 }
 274
 275 /*************************************************************************
 276  *                              ExtractAssociatedIcon   [SHELL.36]
 277  *
 278  * Return icon for given file (either from file itself or from associated
 279  * executable) and patch parameters if needed.
 280  */
 281 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 282 {
 283     return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
 284                     lpiIcon));
 285 }
 286
 287 /*************************************************************************
 288  *                              FindEnvironmentString   [SHELL.38]
 289  *
 290  * Returns a pointer into the DOS environment... Ugh.
 291  */
 292 static LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 293 { UINT16 l;
 294
 295   TRACE("\n");
 296
 297   l = strlen(entry);
 298   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 299   { if( strncasecmp(lpEnv, entry, l) )
 300       continue;
 301         if( !*(lpEnv+l) )
 302             return (lpEnv + l);                 /* empty entry */
 303         else if ( *(lpEnv+l)== '=' )
 304             return (lpEnv + l + 1);
 305     }
 306     return NULL;
 307 }
 308
 309 /**********************************************************************/
 310
 311 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
 312 { SEGPTR  spEnv;
 313   LPSTR lpEnv,lpString;
 314   TRACE("\n");
 315
 316   spEnv = GetDOSEnvironment16();
 317
 318   lpEnv = MapSL(spEnv);
 319   lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 320
 321     if( lpString )              /*  offset should be small enough */
 322         return spEnv + (lpString - lpEnv);
 323     return (SEGPTR)NULL;
 324 }
 325
 326 /*************************************************************************
 327  *                              DoEnvironmentSubst      [SHELL.37]
 328  *
 329  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 330  * from "DOS" environment. If it is not found the %KEYWORD% is left
 331  * intact. If the buffer is too small, str is not modified.
 332  *
 333  * PARAMS
 334  *  str        [I] '\0' terminated string with %keyword%.
 335  *             [O] '\0' terminated string with %keyword% substituted.
 336  *  length     [I] size of str.
 337  *
 338  * RETURNS
 339  *  str length in the LOWORD and 1 in HIWORD if subst was successful.
 340  */
 341 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
 342 {
 343   LPSTR   lpEnv = MapSL(GetDOSEnvironment16());
 344   LPSTR   lpstr = str;
 345   LPSTR   lpend;
 346   LPSTR   lpBuffer = HeapAlloc( GetProcessHeap(), 0, length);
 347   WORD    bufCnt = 0;
 348   WORD    envKeyLen;
 349   LPSTR   lpKey;
 350   WORD    retStatus = 0;
 351   WORD    retLength = length;
 352
 353   CharToOemA(str,str);
 354
 355   TRACE("accept %s\n", str);
 356
 357   while( *lpstr && bufCnt <= length - 1 ) {
 358      if ( *lpstr != '%' ) {
 359         lpBuffer[bufCnt++] = *lpstr++;
 360         continue;
 361      }
 362
 363      for( lpend = lpstr + 1; *lpend && *lpend != '%'; lpend++) /**/;
 364
 365      envKeyLen = lpend - lpstr - 1;
 366      if( *lpend != '%' || envKeyLen == 0)
 367         goto err; /* "%\0" or "%%" found; back off and whine */
 368
 369      *lpend = '\0';
 370      lpKey = SHELL_FindString(lpEnv, lpstr+1);
 371      *lpend = '%';
 372      if( lpKey ) {
 373          int l = strlen(lpKey);
 374
 375          if( bufCnt + l > length - 1 )
 376                 goto err;
 377
 378         memcpy(lpBuffer + bufCnt, lpKey, l);
 379         bufCnt += l;
 380      } else { /* Keyword not found; Leave the %KEYWORD% intact */
 381         if( bufCnt + envKeyLen + 2 > length - 1 )
 382             goto err;
 383
 384          memcpy(lpBuffer + bufCnt, lpstr, envKeyLen + 2);
 385         bufCnt += envKeyLen + 2;
 386      }
 387
 388      lpstr = lpend + 1;
 389   }
 390
 391   if (!*lpstr && bufCnt <= length - 1) {
 392       memcpy(str,lpBuffer, bufCnt);
 393       str[bufCnt] = '\0';
 394       retLength = bufCnt + 1;
 395       retStatus = 1;
 396   }
 397
 398   err:
 399   if (!retStatus)
 400       WARN("-- Env subst aborted - string too short or invalid input\n");
 401   TRACE("-- return %s\n", str);
 402
 403   OemToCharA(str,str);
 404   HeapFree( GetProcessHeap(), 0, lpBuffer);
 405
 406   return (DWORD)MAKELONG(retLength, retStatus);
 407 }
 408
 409 /*************************************************************************
 410  *                              SHELL_HookProc
 411  *
 412  * 32-bit version of the system-wide WH_SHELL hook.
 413  */
 414 static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
 415 {
 416     TRACE("%i, %lx, %08lx\n", code, wParam, lParam );
 417
 418     if (SHELL_hWnd)
 419     {
 420         switch( code )
 421         {
 422         case HSHELL_WINDOWCREATED:
 423             PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
 424             break;
 425         case HSHELL_WINDOWDESTROYED:
 426             PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
 427             break;
 428         case HSHELL_ACTIVATESHELLWINDOW:
 429             PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
 430             break;
 431         }
 432     }
 433     return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
 434 }
 435
 436 /*************************************************************************
 437  *                              ShellHookProc           [SHELL.103]
 438  * System-wide WH_SHELL hook.
 439  */
 440 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
 441 {
 442     return SHELL_HookProc( code, wParam, lParam );
 443 }
 444
 445 /*************************************************************************
 446  *                              RegisterShellHook       [SHELL.102]
 447  */
 448 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
 449 {
 450     TRACE("%04x [%u]\n", hWnd, uAction );
 451
 452     switch( uAction )
 453     {
 454     case 2:  /* register hWnd as a shell window */
 455         if( !SHELL_hHook )
 456         {
 457             SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
 458                                              GetModuleHandleA("shell32.dll"), 0 );
 459             if ( SHELL_hHook )
 460             {
 461                 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
 462                 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
 463                 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
 464             }
 465             else
 466                 WARN("-- unable to install ShellHookProc()!\n");
 467         }
 468
 469         if ( SHELL_hHook )
 470             return ((SHELL_hWnd = HWND_32(hWnd)) != 0);
 471         break;
 472
 473     default:
 474         WARN("-- unknown code %i\n", uAction );
 475         SHELL_hWnd = 0; /* just in case */
 476     }
 477     return FALSE;
 478 }
 479
 480
 481 /***********************************************************************
 482  *           DriveType   (SHELL.262)
 483  */
 484 UINT16 WINAPI DriveType16( UINT16 drive )
 485 {
 486     UINT ret;
 487     char path[] = "A:\\";
 488     path[0] += drive;
 489     ret = GetDriveTypeA(path);
 490     switch(ret)  /* some values are not supported in Win16 */
 491     {
 492     case DRIVE_CDROM:
 493         ret = DRIVE_REMOTE;
 494         break;
 495     case DRIVE_NO_ROOT_DIR:
 496         ret = DRIVE_UNKNOWN;
 497         break;
 498     }
 499     return ret;
 500 }
 501
 502
 503 /* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
 504  * some programs. Do not remove those cases. -MM
 505  */
 506 static inline void fix_win16_hkey( HKEY *hkey )
 507 {
 508     if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
 509 }
 510
 511 /******************************************************************************
 512  *           RegOpenKey   [SHELL.1]
 513  */
 514 DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
 515 {
 516     fix_win16_hkey( &hkey );
 517     return RegOpenKeyA( hkey, name, retkey );
 518 }
 519
 520 /******************************************************************************
 521  *           RegCreateKey   [SHELL.2]
 522  */
 523 DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
 524 {
 525     fix_win16_hkey( &hkey );
 526     return RegCreateKeyA( hkey, name, retkey );
 527 }
 528
 529 /******************************************************************************
 530  *           RegCloseKey   [SHELL.3]
 531  */
 532 DWORD WINAPI RegCloseKey16( HKEY hkey )
 533 {
 534     fix_win16_hkey( &hkey );
 535     return RegCloseKey( hkey );
 536 }
 537
 538 /******************************************************************************
 539  *           RegDeleteKey   [SHELL.4]
 540  */
 541 DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
 542 {
 543     fix_win16_hkey( &hkey );
 544     return RegDeleteKeyA( hkey, name );
 545 }
 546
 547 /******************************************************************************
 548  *           RegSetValue   [SHELL.5]
 549  */
 550 DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
 551 {
 552     fix_win16_hkey( &hkey );
 553     return RegSetValueA( hkey, name, type, data, count );
 554 }
 555
 556 /******************************************************************************
 557  *           RegQueryValue   [SHELL.6]
 558  *
 559  * NOTES
 560  *    Is this HACK still applicable?
 561  *
 562  * HACK
 563  *    The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
 564  *    mask out the high 16 bit.  This (not so much incidently) hopefully fixes
 565  *    Aldus FH4)
 566  */
 567 DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
 568 )
 569 {
 570     fix_win16_hkey( &hkey );
 571     if (count) *count &= 0xffff;
 572     return RegQueryValueA( hkey, name, data, (LONG*) count );
 573 }
 574
 575 /******************************************************************************
 576  *           RegEnumKey   [SHELL.7]
 577  */
 578 DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
 579 {
 580     fix_win16_hkey( &hkey );
 581     return RegEnumKeyA( hkey, index, name, name_len );
 582 }
 583
 584 /*************************************************************************
 585  *           SHELL_Execute16 [Internal]
 586  */
 587 static UINT_PTR SHELL_Execute16(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 588                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 589 {
 590     UINT ret;
 591     char sCmd[MAX_PATH];
 592     WideCharToMultiByte(CP_ACP, 0, lpCmd, -1, sCmd, MAX_PATH, NULL, NULL);
 593     ret = WinExec16(sCmd, (UINT16)psei->nShow);
 594     psei_out->hInstApp = HINSTANCE_32(ret);
 595     return ret;
 596 }
 597
 598 /*************************************************************************
 599  *                              ShellExecute            [SHELL.20]
 600  */
 601 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
 602                                    LPCSTR lpFile, LPCSTR lpParameters,
 603                                    LPCSTR lpDirectory, INT16 iShowCmd )
 604 {
 605     SHELLEXECUTEINFOW seiW;
 606     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
 607     HANDLE hProcess = 0;
 608
 609     seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
 610     seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
 611     seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
 612     seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
 613
 614     seiW.cbSize = sizeof(seiW);
 615     seiW.fMask = 0;
 616     seiW.hwnd = HWND_32(hWnd);
 617     seiW.nShow = iShowCmd;
 618     seiW.lpIDList = 0;
 619     seiW.lpClass = 0;
 620     seiW.hkeyClass = 0;
 621     seiW.dwHotKey = 0;
 622     seiW.hProcess = hProcess;
 623
 624     SHELL_execute( &seiW, SHELL_Execute16 );
 625
 626     SHFree(wVerb);
 627     SHFree(wFile);
 628     SHFree(wParameters);
 629     SHFree(wDirectory);
 630
 631     return HINSTANCE_16(seiW.hInstApp);
 632 }