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 "winerror.h"
  37 #include "winreg.h"
  38 #include "wownt32.h"
  39 #include "dlgs.h"
  40 #include "shellapi.h"
  41 #include "winuser.h"
  42 #include "wingdi.h"
  43 #include "shlobj.h"
  44 #include "shlwapi.h"
  45 #include "ddeml.h"
  46
  47 #include "wine/winbase16.h"
  48 #include "wine/winuser16.h"
  49 #include "shell32_main.h"
  50
  51 #include "wine/debug.h"
  52
  53 WINE_DEFAULT_DEBUG_CHANNEL(shell);
  54
  55
  56 typedef struct {     /* structure for dropped files */
  57  WORD     wSize;
  58  POINT16  ptMousePos;
  59  BOOL16   fInNonClientArea;
  60  /* memory block with filenames follows */
  61 } DROPFILESTRUCT16, *LPDROPFILESTRUCT16;
  62
  63 static const char lpstrMsgWndCreated[] = "OTHERWINDOWCREATED";
  64 static const char lpstrMsgWndDestroyed[] = "OTHERWINDOWDESTROYED";
  65 static const char lpstrMsgShellActivate[] = "ACTIVATESHELLWINDOW";
  66
  67 static HWND     SHELL_hWnd = 0;
  68 static HHOOK    SHELL_hHook = 0;
  69 static UINT     uMsgWndCreated = 0;
  70 static UINT     uMsgWndDestroyed = 0;
  71 static UINT     uMsgShellActivate = 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  *  Success: TRUE. Initialization completed successfully.
  81  *  Failure: FALSE.
  82  */
  83 BOOL WINAPI SHELL_DllEntryPoint(DWORD Reason, HINSTANCE16 hInst,
  84                                 WORD ds, WORD HeapSize, DWORD res1, WORD res2)
  85 {
  86     return TRUE;
  87 }
  88
  89 /*************************************************************************
  90  *                              DragAcceptFiles         [SHELL.9]
  91  */
  92 void WINAPI DragAcceptFiles16(HWND16 hWnd, BOOL16 b)
  93 {
  94   DragAcceptFiles(HWND_32(hWnd), b);
  95 }
  96
  97 /*************************************************************************
  98  *                              DragQueryFile           [SHELL.11]
  99  */
 100 UINT16 WINAPI DragQueryFile16(
 101         HDROP16 hDrop,
 102         WORD wFile,
 103         LPSTR lpszFile,
 104         WORD wLength)
 105 {
 106         LPSTR lpDrop;
 107         UINT i = 0;
 108         LPDROPFILESTRUCT16 lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 109
 110         TRACE("(%04x, %x, %p, %u)\n", hDrop,wFile,lpszFile,wLength);
 111
 112         if(!lpDropFileStruct) goto end;
 113
 114         lpDrop = (LPSTR) lpDropFileStruct + lpDropFileStruct->wSize;
 115
 116         while (i++ < wFile)
 117         {
 118           while (*lpDrop++); /* skip filename */
 119           if (!*lpDrop)
 120           {
 121             i = (wFile == 0xFFFF) ? i : 0;
 122             goto end;
 123           }
 124         }
 125
 126         i = strlen(lpDrop);
 127         i++;
 128         if (!lpszFile ) goto end;   /* needed buffer size */
 129         i = (wLength > i) ? i : wLength;
 130         lstrcpynA (lpszFile,  lpDrop,  i);
 131 end:
 132         GlobalUnlock16(hDrop);
 133         return i;
 134 }
 135
 136 /*************************************************************************
 137  *                              DragFinish              [SHELL.12]
 138  */
 139 void WINAPI DragFinish16(HDROP16 h)
 140 {
 141     TRACE("\n");
 142     GlobalFree16((HGLOBAL16)h);
 143 }
 144
 145
 146 /*************************************************************************
 147  *                              DragQueryPoint          [SHELL.13]
 148  */
 149 BOOL16 WINAPI DragQueryPoint16(HDROP16 hDrop, POINT16 *p)
 150 {
 151   LPDROPFILESTRUCT16 lpDropFileStruct;
 152   BOOL16           bRet;
 153   TRACE("\n");
 154   lpDropFileStruct = (LPDROPFILESTRUCT16) GlobalLock16(hDrop);
 155
 156   memcpy(p,&lpDropFileStruct->ptMousePos,sizeof(POINT16));
 157   bRet = lpDropFileStruct->fInNonClientArea;
 158
 159   GlobalUnlock16(hDrop);
 160   return bRet;
 161 }
 162
 163 /*************************************************************************
 164  *             FindExecutable   (SHELL.21)
 165  */
 166 HINSTANCE16 WINAPI FindExecutable16( LPCSTR lpFile, LPCSTR lpDirectory,
 167                                      LPSTR lpResult )
 168 { return HINSTANCE_16(FindExecutableA( lpFile, lpDirectory, lpResult ));
 169 }
 170
 171 /*************************************************************************
 172  *             AboutDlgProc   (SHELL.33)
 173  */
 174 BOOL16 WINAPI AboutDlgProc16( HWND16 hWnd, UINT16 msg, WPARAM16 wParam,
 175                                LPARAM lParam )
 176 { return (BOOL16)AboutDlgProc( HWND_32(hWnd), msg, wParam, lParam );
 177 }
 178
 179
 180 /*************************************************************************
 181  *             ShellAbout   (SHELL.22)
 182  */
 183 BOOL16 WINAPI ShellAbout16( HWND16 hWnd, LPCSTR szApp, LPCSTR szOtherStuff,
 184                             HICON16 hIcon )
 185 { return ShellAboutA( HWND_32(hWnd), szApp, szOtherStuff, HICON_32(hIcon) );
 186 }
 187
 188 /*************************************************************************
 189  *                      InternalExtractIcon             [SHELL.39]
 190  *
 191  * This abortion is called directly by Progman
 192  */
 193 HGLOBAL16 WINAPI InternalExtractIcon16(HINSTANCE16 hInstance,
 194                                      LPCSTR lpszExeFileName, UINT16 nIconIndex, WORD n )
 195 {
 196     HGLOBAL16 hRet = 0;
 197     HICON16 *RetPtr = NULL;
 198     OFSTRUCT ofs;
 199
 200         TRACE("(%04x,file %s,start %d,extract %d\n",
 201                        hInstance, lpszExeFileName, nIconIndex, n);
 202
 203         if (!n)
 204           return 0;
 205
 206         hRet = GlobalAlloc16(GMEM_FIXED | GMEM_ZEROINIT, sizeof(*RetPtr) * n);
 207         RetPtr = (HICON16*)GlobalLock16(hRet);
 208
 209         if (nIconIndex == (UINT16)-1)  /* get number of icons */
 210         {
 211           RetPtr[0] = PrivateExtractIconsA(ofs.szPathName, 0, 0, 0, NULL, NULL, 0, LR_DEFAULTCOLOR);
 212         }
 213         else
 214         {
 215           UINT ret;
 216           HICON *icons;
 217
 218           icons = HeapAlloc(GetProcessHeap(), 0, n * sizeof(*icons));
 219           ret = PrivateExtractIconsA(ofs.szPathName, nIconIndex,
 220                                      GetSystemMetrics(SM_CXICON),
 221                                      GetSystemMetrics(SM_CYICON),
 222                                      icons, NULL, n, LR_DEFAULTCOLOR);
 223           if ((ret != 0xffffffff) && ret)
 224           {
 225             int i;
 226             for (i = 0; i < n; i++) RetPtr[i] = HICON_16(icons[i]);
 227           }
 228           else
 229           {
 230             GlobalFree16(hRet);
 231             hRet = 0;
 232           }
 233           HeapFree(GetProcessHeap(), 0, icons);
 234         }
 235         return hRet;
 236 }
 237
 238 /*************************************************************************
 239  *             ExtractIcon   (SHELL.34)
 240  */
 241 HICON16 WINAPI ExtractIcon16( HINSTANCE16 hInstance, LPCSTR lpszExeFileName,
 242         UINT16 nIconIndex )
 243 {   TRACE("\n");
 244     return HICON_16(ExtractIconA(HINSTANCE_32(hInstance), lpszExeFileName, nIconIndex));
 245 }
 246
 247 /*************************************************************************
 248  *             ExtractIconEx   (SHELL.40)
 249  */
 250 HICON16 WINAPI ExtractIconEx16(
 251         LPCSTR lpszFile, INT16 nIconIndex, HICON16 *phiconLarge,
 252         HICON16 *phiconSmall, UINT16 nIcons
 253 ) {
 254     HICON       *ilarge,*ismall;
 255     UINT16      ret;
 256     int         i;
 257
 258     if (phiconLarge)
 259         ilarge = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 260     else
 261         ilarge = NULL;
 262     if (phiconSmall)
 263         ismall = HeapAlloc(GetProcessHeap(),0,nIcons*sizeof(HICON));
 264     else
 265         ismall = NULL;
 266     ret = HICON_16(ExtractIconExA(lpszFile,nIconIndex,ilarge,ismall,nIcons));
 267     if (ilarge) {
 268         for (i=0;i<nIcons;i++)
 269             phiconLarge[i]=HICON_16(ilarge[i]);
 270         HeapFree(GetProcessHeap(),0,ilarge);
 271     }
 272     if (ismall) {
 273         for (i=0;i<nIcons;i++)
 274             phiconSmall[i]=HICON_16(ismall[i]);
 275         HeapFree(GetProcessHeap(),0,ismall);
 276     }
 277     return ret;
 278 }
 279
 280 /*************************************************************************
 281  *                              ExtractAssociatedIcon   [SHELL.36]
 282  *
 283  * Return icon for given file (either from file itself or from associated
 284  * executable) and patch parameters if needed.
 285  */
 286 HICON16 WINAPI ExtractAssociatedIcon16(HINSTANCE16 hInst, LPSTR lpIconPath, LPWORD lpiIcon)
 287 {
 288     return HICON_16(ExtractAssociatedIconA(HINSTANCE_32(hInst), lpIconPath,
 289                     lpiIcon));
 290 }
 291
 292 /*************************************************************************
 293  *                              FindEnvironmentString   [SHELL.38]
 294  *
 295  * Returns a pointer into the DOS environment... Ugh.
 296  */
 297 static LPSTR SHELL_FindString(LPSTR lpEnv, LPCSTR entry)
 298 { UINT16 l;
 299
 300   TRACE("\n");
 301
 302   l = strlen(entry);
 303   for( ; *lpEnv ; lpEnv+=strlen(lpEnv)+1 )
 304   { if( strncasecmp(lpEnv, entry, l) )
 305       continue;
 306         if( !*(lpEnv+l) )
 307             return (lpEnv + l);                 /* empty entry */
 308         else if ( *(lpEnv+l)== '=' )
 309             return (lpEnv + l + 1);
 310     }
 311     return NULL;
 312 }
 313
 314 /**********************************************************************/
 315
 316 SEGPTR WINAPI FindEnvironmentString16(LPSTR str)
 317 { SEGPTR  spEnv;
 318   LPSTR lpEnv,lpString;
 319   TRACE("\n");
 320
 321   spEnv = GetDOSEnvironment16();
 322
 323   lpEnv = MapSL(spEnv);
 324   lpString = (spEnv)?SHELL_FindString(lpEnv, str):NULL;
 325
 326     if( lpString )              /*  offset should be small enough */
 327         return spEnv + (lpString - lpEnv);
 328     return (SEGPTR)NULL;
 329 }
 330
 331 /*************************************************************************
 332  *                              DoEnvironmentSubst      [SHELL.37]
 333  *
 334  * Replace %KEYWORD% in the str with the value of variable KEYWORD
 335  * from "DOS" environment. If it is not found the %KEYWORD% is left
 336  * intact. If the buffer is too small, str is not modified.
 337  *
 338  * PARAMS
 339  *  str        [I] '\0' terminated string with %keyword%.
 340  *             [O] '\0' terminated string with %keyword% substituted.
 341  *  length     [I] size of str.
 342  *
 343  * RETURNS
 344  *  str length in the LOWORD and 1 in HIWORD if subst was successful.
 345  */
 346 DWORD WINAPI DoEnvironmentSubst16(LPSTR str,WORD length)
 347 {
 348   LPSTR   lpEnv = MapSL(GetDOSEnvironment16());
 349   LPSTR   lpstr = str;
 350   LPSTR   lpend;
 351   LPSTR   lpBuffer = HeapAlloc( GetProcessHeap(), 0, length);
 352   WORD    bufCnt = 0;
 353   WORD    envKeyLen;
 354   LPSTR   lpKey;
 355   WORD    retStatus = 0;
 356   WORD    retLength = length;
 357
 358   CharToOemA(str,str);
 359
 360   TRACE("accept %s\n", str);
 361
 362   while( *lpstr && bufCnt <= length - 1 ) {
 363      if ( *lpstr != '%' ) {
 364         lpBuffer[bufCnt++] = *lpstr++;
 365         continue;
 366      }
 367
 368      for( lpend = lpstr + 1; *lpend && *lpend != '%'; lpend++) /**/;
 369
 370      envKeyLen = lpend - lpstr - 1;
 371      if( *lpend != '%' || envKeyLen == 0)
 372         goto err; /* "%\0" or "%%" found; back off and whine */
 373
 374      *lpend = '\0';
 375      lpKey = SHELL_FindString(lpEnv, lpstr+1);
 376      *lpend = '%';
 377      if( lpKey ) {
 378          int l = strlen(lpKey);
 379
 380          if( bufCnt + l > length - 1 )
 381                 goto err;
 382
 383         memcpy(lpBuffer + bufCnt, lpKey, l);
 384         bufCnt += l;
 385      } else { /* Keyword not found; Leave the %KEYWORD% intact */
 386         if( bufCnt + envKeyLen + 2 > length - 1 )
 387             goto err;
 388
 389          memcpy(lpBuffer + bufCnt, lpstr, envKeyLen + 2);
 390         bufCnt += envKeyLen + 2;
 391      }
 392
 393      lpstr = lpend + 1;
 394   }
 395
 396   if (!*lpstr && bufCnt <= length - 1) {
 397       memcpy(str,lpBuffer, bufCnt);
 398       str[bufCnt] = '\0';
 399       retLength = bufCnt + 1;
 400       retStatus = 1;
 401   }
 402
 403   err:
 404   if (!retStatus)
 405       WARN("-- Env subst aborted - string too short or invalid input\n");
 406   TRACE("-- return %s\n", str);
 407
 408   OemToCharA(str,str);
 409   HeapFree( GetProcessHeap(), 0, lpBuffer);
 410
 411   return (DWORD)MAKELONG(retLength, retStatus);
 412 }
 413
 414 /*************************************************************************
 415  *                              SHELL_HookProc
 416  *
 417  * 32-bit version of the system-wide WH_SHELL hook.
 418  */
 419 static LRESULT WINAPI SHELL_HookProc(INT code, WPARAM wParam, LPARAM lParam)
 420 {
 421     TRACE("%i, %x, %08lx\n", code, wParam, lParam );
 422
 423     if (SHELL_hWnd)
 424     {
 425         switch( code )
 426         {
 427         case HSHELL_WINDOWCREATED:
 428             PostMessageA( SHELL_hWnd, uMsgWndCreated, wParam, 0 );
 429             break;
 430         case HSHELL_WINDOWDESTROYED:
 431             PostMessageA( SHELL_hWnd, uMsgWndDestroyed, wParam, 0 );
 432             break;
 433         case HSHELL_ACTIVATESHELLWINDOW:
 434             PostMessageA( SHELL_hWnd, uMsgShellActivate, wParam, 0 );
 435             break;
 436         }
 437     }
 438     return CallNextHookEx( SHELL_hHook, code, wParam, lParam );
 439 }
 440
 441 /*************************************************************************
 442  *                              ShellHookProc           [SHELL.103]
 443  * System-wide WH_SHELL hook.
 444  */
 445 LRESULT WINAPI ShellHookProc16(INT16 code, WPARAM16 wParam, LPARAM lParam)
 446 {
 447     return SHELL_HookProc( code, wParam, lParam );
 448 }
 449
 450 /*************************************************************************
 451  *                              RegisterShellHook       [SHELL.102]
 452  */
 453 BOOL WINAPI RegisterShellHook16(HWND16 hWnd, UINT16 uAction)
 454 {
 455     TRACE("%04x [%u]\n", hWnd, uAction );
 456
 457     switch( uAction )
 458     {
 459     case 2:  /* register hWnd as a shell window */
 460         if( !SHELL_hHook )
 461         {
 462             SHELL_hHook = SetWindowsHookExA( WH_SHELL, SHELL_HookProc,
 463                                              GetModuleHandleA("shell32.dll"), 0 );
 464             if ( SHELL_hHook )
 465             {
 466                 uMsgWndCreated = RegisterWindowMessageA( lpstrMsgWndCreated );
 467                 uMsgWndDestroyed = RegisterWindowMessageA( lpstrMsgWndDestroyed );
 468                 uMsgShellActivate = RegisterWindowMessageA( lpstrMsgShellActivate );
 469             }
 470             else
 471                 WARN("-- unable to install ShellHookProc()!\n");
 472         }
 473
 474         if ( SHELL_hHook )
 475             return ((SHELL_hWnd = HWND_32(hWnd)) != 0);
 476         break;
 477
 478     default:
 479         WARN("-- unknown code %i\n", uAction );
 480         SHELL_hWnd = 0; /* just in case */
 481     }
 482     return FALSE;
 483 }
 484
 485
 486 /***********************************************************************
 487  *           DriveType   (SHELL.262)
 488  */
 489 UINT16 WINAPI DriveType16( UINT16 drive )
 490 {
 491     UINT ret;
 492     char path[] = "A:\\";
 493     path[0] += drive;
 494     ret = GetDriveTypeA(path);
 495     switch(ret)  /* some values are not supported in Win16 */
 496     {
 497     case DRIVE_CDROM:
 498         ret = DRIVE_REMOTE;
 499         break;
 500     case DRIVE_NO_ROOT_DIR:
 501         ret = DRIVE_UNKNOWN;
 502         break;
 503     }
 504     return ret;
 505 }
 506
 507
 508 /* 0 and 1 are valid rootkeys in win16 shell.dll and are used by
 509  * some programs. Do not remove those cases. -MM
 510  */
 511 static inline void fix_win16_hkey( HKEY *hkey )
 512 {
 513     if (*hkey == 0 || *hkey == (HKEY)1) *hkey = HKEY_CLASSES_ROOT;
 514 }
 515
 516 /******************************************************************************
 517  *           RegOpenKey   [SHELL.1]
 518  */
 519 DWORD WINAPI RegOpenKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
 520 {
 521     fix_win16_hkey( &hkey );
 522     return RegOpenKeyA( hkey, name, retkey );
 523 }
 524
 525 /******************************************************************************
 526  *           RegCreateKey   [SHELL.2]
 527  */
 528 DWORD WINAPI RegCreateKey16( HKEY hkey, LPCSTR name, PHKEY retkey )
 529 {
 530     fix_win16_hkey( &hkey );
 531     return RegCreateKeyA( hkey, name, retkey );
 532 }
 533
 534 /******************************************************************************
 535  *           RegCloseKey   [SHELL.3]
 536  */
 537 DWORD WINAPI RegCloseKey16( HKEY hkey )
 538 {
 539     fix_win16_hkey( &hkey );
 540     return RegCloseKey( hkey );
 541 }
 542
 543 /******************************************************************************
 544  *           RegDeleteKey   [SHELL.4]
 545  */
 546 DWORD WINAPI RegDeleteKey16( HKEY hkey, LPCSTR name )
 547 {
 548     fix_win16_hkey( &hkey );
 549     return RegDeleteKeyA( hkey, name );
 550 }
 551
 552 /******************************************************************************
 553  *           RegSetValue   [SHELL.5]
 554  */
 555 DWORD WINAPI RegSetValue16( HKEY hkey, LPCSTR name, DWORD type, LPCSTR data, DWORD count )
 556 {
 557     fix_win16_hkey( &hkey );
 558     return RegSetValueA( hkey, name, type, data, count );
 559 }
 560
 561 /******************************************************************************
 562  *           RegQueryValue   [SHELL.6]
 563  *
 564  * NOTES
 565  *    Is this HACK still applicable?
 566  *
 567  * HACK
 568  *    The 16bit RegQueryValue doesn't handle selectorblocks anyway, so we just
 569  *    mask out the high 16 bit.  This (not so much incidently) hopefully fixes
 570  *    Aldus FH4)
 571  */
 572 DWORD WINAPI RegQueryValue16( HKEY hkey, LPCSTR name, LPSTR data, LPDWORD count
 573 )
 574 {
 575     fix_win16_hkey( &hkey );
 576     if (count) *count &= 0xffff;
 577     return RegQueryValueA( hkey, name, data, (LONG*) count );
 578 }
 579
 580 /******************************************************************************
 581  *           RegEnumKey   [SHELL.7]
 582  */
 583 DWORD WINAPI RegEnumKey16( HKEY hkey, DWORD index, LPSTR name, DWORD name_len )
 584 {
 585     fix_win16_hkey( &hkey );
 586     return RegEnumKeyA( hkey, index, name, name_len );
 587 }
 588
 589 /*************************************************************************
 590  *           SHELL_Execute16 [Internal]
 591  */
 592 static UINT SHELL_Execute16(const WCHAR *lpCmd, WCHAR *env, BOOL shWait,
 593                             LPSHELLEXECUTEINFOW psei, LPSHELLEXECUTEINFOW psei_out)
 594 {
 595     UINT ret;
 596     char sCmd[MAX_PATH];
 597     WideCharToMultiByte(CP_ACP, 0, lpCmd, -1, sCmd, MAX_PATH, NULL, NULL);
 598     ret = WinExec16(sCmd, (UINT16)psei->nShow);
 599     psei_out->hInstApp = HINSTANCE_32(ret);
 600     return ret;
 601 }
 602
 603 /*************************************************************************
 604  *                              ShellExecute            [SHELL.20]
 605  */
 606 HINSTANCE16 WINAPI ShellExecute16( HWND16 hWnd, LPCSTR lpOperation,
 607                                    LPCSTR lpFile, LPCSTR lpParameters,
 608                                    LPCSTR lpDirectory, INT16 iShowCmd )
 609 {
 610     SHELLEXECUTEINFOW seiW;
 611     WCHAR *wVerb = NULL, *wFile = NULL, *wParameters = NULL, *wDirectory = NULL;
 612     HANDLE hProcess = 0;
 613
 614     seiW.lpVerb = lpOperation ? __SHCloneStrAtoW(&wVerb, lpOperation) : NULL;
 615     seiW.lpFile = lpFile ? __SHCloneStrAtoW(&wFile, lpFile) : NULL;
 616     seiW.lpParameters = lpParameters ? __SHCloneStrAtoW(&wParameters, lpParameters) : NULL;
 617     seiW.lpDirectory = lpDirectory ? __SHCloneStrAtoW(&wDirectory, lpDirectory) : NULL;
 618
 619     seiW.cbSize = sizeof(seiW);
 620     seiW.fMask = 0;
 621     seiW.hwnd = HWND_32(hWnd);
 622     seiW.nShow = iShowCmd;
 623     seiW.lpIDList = 0;
 624     seiW.lpClass = 0;
 625     seiW.hkeyClass = 0;
 626     seiW.dwHotKey = 0;
 627     seiW.hProcess = hProcess;
 628
 629     SHELL_execute( &seiW, SHELL_Execute16 );
 630
 631     SHFree(wVerb);
 632     SHFree(wFile);
 633     SHFree(wParameters);
 634     SHFree(wDirectory);
 635
 636     return HINSTANCE_16(seiW.hInstApp);
 637 }