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245 lines
8.7 KiB
245 lines
8.7 KiB
/*++
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*
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* WOW v1.0
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*
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* Copyright (c) 1991, Microsoft Corporation
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*
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* WMSGLB.C
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* WOW32 16-bit message thunks
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*
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* History:
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* Created 11-Mar-1991 by Jeff Parsons (jeffpar)
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--*/
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#include "precomp.h"
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#pragma hdrstop
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MODNAME(wmsglb.c);
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#ifdef DEBUG
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MSGINFO amiLB[] = {
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{OLDLB_ADDSTRING, "LB_ADDSTRING"}, // 0x0401
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{OLDLB_INSERTSTRING, "LB_INSERTSTRING"}, // 0x0402
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{OLDLB_DELETESTRING, "LB_DELETESTRING"}, // 0x0403
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{OLDLB_RESETCONTENT, "LB_RESETCONTENT"}, // 0x0405
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{OLDLB_SETSEL, "LB_SETSEL"}, // 0x0406
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{OLDLB_SETCURSEL, "LB_SETCURSEL"}, // 0x0407
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{OLDLB_GETSEL, "LB_GETSEL"}, // 0x0408
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{OLDLB_GETCURSEL, "LB_GETCURSEL"}, // 0x0409
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{OLDLB_GETTEXT, "LB_GETTEXT"}, // 0x040A
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{OLDLB_GETTEXTLEN, "LB_GETTEXTLEN"}, // 0x040B
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{OLDLB_GETCOUNT, "LB_GETCOUNT"}, // 0x040C
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{OLDLB_SELECTSTRING, "LB_SELECTSTRING"}, // 0x040D
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{OLDLB_DIR, "LB_DIR"}, // 0x040E
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{OLDLB_GETTOPINDEX, "LB_GETTOPINDEX"}, // 0x040F
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{OLDLB_FINDSTRING, "LB_FINDSTRING"}, // 0x0410
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{OLDLB_GETSELCOUNT, "LB_GETSELCOUNT"}, // 0x0411
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{OLDLB_GETSELITEMS, "LB_GETSELITEMS"}, // 0x0412
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{OLDLB_SETTABSTOPS, "LB_SETTABSTOPS"}, // 0x0413
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{OLDLB_GETHORIZONTALEXTENT, "LB_GETHORIZONTALEXTENT"}, // 0x0414
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{OLDLB_SETHORIZONTALEXTENT, "LB_SETHORIZONTALEXTENT"}, // 0x0415
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{OLDLB_SETCOLUMNWIDTH, "LB_SETCOLUMNWIDTH"}, // 0x0416
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{OLDLB_ADDFILE, "LB_ADDFILE"}, // 0x0417
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{OLDLB_SETTOPINDEX, "LB_SETTOPINDEX"}, // 0x0418
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{OLDLB_GETITEMRECT, "LB_GETITEMRECT"}, // 0x0419
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{OLDLB_GETITEMDATA, "LB_GETITEMDATA"}, // 0x041A
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{OLDLB_SETITEMDATA, "LB_SETITEMDATA"}, // 0x041B
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{OLDLB_SELITEMRANGE, "LB_SELITEMRANGE"}, // 0x041C
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{OLDLB_SETANCHORINDEX, "LB_SETANCHORINDEX"}, // 0x041D
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{OLDLB_GETANCHORINDEX, "LB_GETANCHORINDEX"}, // 0x041E
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{OLDLB_SETCARETINDEX, "LB_SETCARETINDEX"}, // 0x041F
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{OLDLB_GETCARETINDEX, "LB_GETCARETINDEX"}, // 0x0420
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{OLDLB_SETITEMHEIGHT, "LB_SETITEMHEIGHT"}, // 0x0421
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{OLDLB_GETITEMHEIGHT, "LB_GETITEMHEIGHT"}, // 0x0422
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{OLDLB_FINDSTRINGEXACT, "LB_FINDSTRINGEXACT"}, // 0x0423
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{OLDLBCB_CARETON, "LBCB_CARETON"}, // 0x0424
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{OLDLBCB_CARETOFF, "LBCB_CARETOFF"}, // 0x0425
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};
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PSZ GetLBMsgName(WORD wMsg)
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{
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INT i;
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register PMSGINFO pmi;
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for (pmi=amiLB,i=NUMEL(amiLB); i>0; i--,pmi++)
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if ((WORD)pmi->uMsg == wMsg)
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return pmi->pszMsgName;
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return GetWMMsgName(wMsg);
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}
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#endif
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BOOL FASTCALL ThunkLBMsg16(LPMSGPARAMEX lpmpex)
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{
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register PWW pww;
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WORD wMsg = lpmpex->Parm16.WndProc.wMsg;
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LOGDEBUG(7,(" Thunking 16-bit list box message %s(%04x)\n", (LPSZ)GetLBMsgName(wMsg), wMsg));
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wMsg -= WM_USER + 1;
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//
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// For app defined (control) messages that are out of range
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// return TRUE.
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//
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// ChandanC Sept-15-1992
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//
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if (wMsg < (LBCB_CARETOFF - LB_ADDSTRING + 1)) {
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switch(lpmpex->uMsg = wMsg + LB_ADDSTRING) {
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case LB_SELECTSTRING:
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case LB_FINDSTRING:
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case LB_FINDSTRINGEXACT:
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case LB_INSERTSTRING:
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case LB_ADDSTRING:
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if (!(pww = lpmpex->pww))
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return FALSE;
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if (!(pww->style & (LBS_OWNERDRAWFIXED|LBS_OWNERDRAWVARIABLE)) ||
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(pww->style & (LBS_HASSTRINGS))) {
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GETPSZPTR(lpmpex->Parm16.WndProc.lParam, (LPSZ)lpmpex->lParam);
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}
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break;
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case LB_DIR:
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GETPSZPTR(lpmpex->Parm16.WndProc.lParam, (LPSZ)lpmpex->lParam);
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break;
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case LB_GETTEXT:
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if (NULL != (pww = lpmpex->pww)) {
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register PTHUNKTEXTDWORD pthkdword = (PTHUNKTEXTDWORD)lpmpex->MsgBuffer;
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// we set this as a flag to indicate that we retrieve a dword
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// instead of a string there. In case when hooks are installed
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// this code prevents RISC platforms from malfunctioning in
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// kernel (they have code like this:
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// try {
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// <assign to original ptr here>
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// }
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// except(1) {
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// <put error message in debug>
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// }
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// which causes this message not to return the proper value)
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// See walias.h for definition of THUNKTEXTDWORD structure as
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// well as MSGPARAMEX structure
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// this code is complemented in UnThunkLBMsg16
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//
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// Application: PeachTree Accounting v3.5
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pthkdword->fDWORD = (pww->style & (LBS_OWNERDRAWFIXED|LBS_OWNERDRAWVARIABLE)) &&
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!(pww->style & (LBS_HASSTRINGS));
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if (pthkdword->fDWORD) {
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lpmpex->lParam = (LPARAM)(LPVOID)&pthkdword->dwDataItem;
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break;
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}
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}
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else {
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register PTHUNKTEXTDWORD pthkdword = (PTHUNKTEXTDWORD)lpmpex->MsgBuffer;
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pthkdword->fDWORD = FALSE;
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}
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GETPSZPTR(lpmpex->Parm16.WndProc.lParam, (LPSZ)lpmpex->lParam);
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break;
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case LB_GETITEMRECT:
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lpmpex->lParam = (LONG)lpmpex->MsgBuffer;
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break;
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case LB_GETSELITEMS:
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(PVOID)lpmpex->lParam = STACKORHEAPALLOC(lpmpex->Parm16.WndProc.wParam * sizeof(INT),
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sizeof(lpmpex->MsgBuffer), lpmpex->MsgBuffer);
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break;
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case LB_SETSEL:
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// sign extend
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{
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LPARAM lParam = lpmpex->Parm16.WndProc.lParam;
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lpmpex->lParam = (LOWORD(lParam) == 0xffff) ?
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INT32(LOWORD(lParam)) : (LONG)lParam;
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}
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break;
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case LB_SETTABSTOPS:
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// apparently lParam is a pointer even if wParam == 1. Recorder passes
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// the data so. - nandurir
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{
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INT cItems = INT32(lpmpex->Parm16.WndProc.wParam);
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if (cItems > 0) {
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(PVOID)lpmpex->lParam = STACKORHEAPALLOC(cItems * sizeof(INT),
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sizeof(lpmpex->MsgBuffer), lpmpex->MsgBuffer);
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getintarray16((VPINT16)lpmpex->Parm16.WndProc.lParam, cItems, (LPINT)lpmpex->lParam);
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}
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}
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break;
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case LB_ADDSTRING + 3:
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if (!(CURRENTPTD()->dwWOWCompatFlagsEx & WOWCFEX_THUNKLBSELITEMRANGEEX)) {
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lpmpex->uMsg = 0;
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}
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break;
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}
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}
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return TRUE;
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}
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VOID FASTCALL UnThunkLBMsg16(LPMSGPARAMEX lpmpex)
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{
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switch(lpmpex->uMsg) {
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case LB_GETTEXT:
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{
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register PTHUNKTEXTDWORD pthkdword = (PTHUNKTEXTDWORD)lpmpex->MsgBuffer;
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if ((pthkdword->fDWORD) && (lpmpex->lReturn != LB_ERR)) {
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// this is a dword, not a string
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// assign the dword as unaligned
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UNALIGNED DWORD *lpdwDataItem;
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GETVDMPTR((lpmpex->Parm16.WndProc.lParam), sizeof(DWORD), lpdwDataItem);
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*lpdwDataItem = pthkdword->dwDataItem;
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FREEVDMPTR(lpdwDataItem);
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break;
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}
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}
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// fall through to the common code
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case LB_ADDSTRING: // BUGBUG 3-Jul-1991 JeffPar: for owner-draw list boxes, this can just be a 32-bit number
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case LB_DIR:
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case LB_FINDSTRING: // BUGBUG 3-Jul-1991 JeffPar: for owner-draw list boxes, this can just be a 32-bit number
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case LB_FINDSTRINGEXACT:
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case LB_INSERTSTRING:
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case LB_SELECTSTRING:
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FREEPSZPTR((LPSZ)lpmpex->lParam);
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break;
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case LB_GETITEMRECT:
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if ((lpmpex->lParam) && (lpmpex->lReturn != -1L)) {
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putrect16((VPRECT16)lpmpex->Parm16.WndProc.lParam, (LPRECT)lpmpex->lParam);
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}
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break;
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case LB_GETSELITEMS:
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PUTINTARRAY16V((VPINT16)lpmpex->Parm16.WndProc.lParam, (INT)(lpmpex->lReturn), (LPINT)lpmpex->lParam);
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STACKORHEAPFREE((LPINT)lpmpex->lParam, lpmpex->MsgBuffer);
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break;
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case LB_SETTABSTOPS:
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if (lpmpex->Parm16.WndProc.wParam > 0) {
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STACKORHEAPFREE((LPINT)lpmpex->lParam, lpmpex->MsgBuffer);
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}
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break;
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}
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}
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