435 lines
12 KiB
C
435 lines
12 KiB
C
/*
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* shell icon cache (SIC)
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*
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*/
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#include <string.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "winbase.h"
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#include "windef.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "winreg.h"
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#include "wine/winuser16.h"
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#include "wine/winbase16.h"
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#include "heap.h"
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#include "debugtools.h"
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#include "shellapi.h"
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#include "shlguid.h"
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#include "pidl.h"
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#include "shell32_main.h"
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#include "undocshell.h"
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#include "shlwapi.h"
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DEFAULT_DEBUG_CHANNEL(shell);
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/********************** THE ICON CACHE ********************************/
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#define INVALID_INDEX -1
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typedef struct
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{
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LPSTR sSourceFile; /* file (not path!) containing the icon */
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DWORD dwSourceIndex; /* index within the file, if it is a resoure ID it will be negated */
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DWORD dwListIndex; /* index within the iconlist */
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DWORD dwFlags; /* GIL_* flags */
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DWORD dwAccessTime;
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} SIC_ENTRY, * LPSIC_ENTRY;
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static HDPA sic_hdpa = 0;
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static CRITICAL_SECTION SHELL32_SicCS = CRITICAL_SECTION_INIT("SHELL32_SicCS");
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/*****************************************************************************
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* SIC_CompareEntries
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*
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* NOTES
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* Callback for DPA_Search
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*/
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static INT CALLBACK SIC_CompareEntries( LPVOID p1, LPVOID p2, LPARAM lparam)
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{ TRACE("%p %p\n", p1, p2);
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if (((LPSIC_ENTRY)p1)->dwSourceIndex != ((LPSIC_ENTRY)p2)->dwSourceIndex) /* first the faster one*/
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return 1;
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if (strcasecmp(((LPSIC_ENTRY)p1)->sSourceFile,((LPSIC_ENTRY)p2)->sSourceFile))
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return 1;
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return 0;
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}
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/*****************************************************************************
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* SIC_IconAppend [internal]
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*
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* NOTES
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* appends a icon pair to the end of the cache
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*/
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static INT SIC_IconAppend (LPCSTR sSourceFile, INT dwSourceIndex, HICON hSmallIcon, HICON hBigIcon)
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{ LPSIC_ENTRY lpsice;
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INT ret, index, index1;
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char *path;
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TRACE("%s %i %x %x\n", sSourceFile, dwSourceIndex, hSmallIcon ,hBigIcon);
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lpsice = (LPSIC_ENTRY) SHAlloc (sizeof (SIC_ENTRY));
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path = PathFindFileNameA(sSourceFile);
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lpsice->sSourceFile = HeapAlloc( GetProcessHeap(), 0, strlen(path)+1 );
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strcpy( lpsice->sSourceFile, path );
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lpsice->dwSourceIndex = dwSourceIndex;
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EnterCriticalSection(&SHELL32_SicCS);
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index = pDPA_InsertPtr(sic_hdpa, 0x7fff, lpsice);
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if ( INVALID_INDEX == index )
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{
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SHFree(lpsice);
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ret = INVALID_INDEX;
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}
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else
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{
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index = ImageList_AddIcon (ShellSmallIconList, hSmallIcon);
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index1= ImageList_AddIcon (ShellBigIconList, hBigIcon);
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if (index!=index1)
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{
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FIXME("iconlists out of sync 0x%x 0x%x\n", index, index1);
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}
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lpsice->dwListIndex = index;
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ret = lpsice->dwListIndex;
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}
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LeaveCriticalSection(&SHELL32_SicCS);
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return ret;
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}
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/****************************************************************************
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* SIC_LoadIcon [internal]
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*
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* NOTES
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* gets small/big icon by number from a file
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*/
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static INT SIC_LoadIcon (LPCSTR sSourceFile, INT dwSourceIndex)
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{ HICON hiconLarge=0;
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HICON hiconSmall=0;
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PrivateExtractIconsA( sSourceFile, dwSourceIndex, 32, 32, &hiconLarge, 0, 1, 0 );
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PrivateExtractIconsA( sSourceFile, dwSourceIndex, 16, 16, &hiconSmall, 0, 1, 0 );
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if ( !hiconLarge || !hiconSmall)
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{
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WARN("failure loading icon %i from %s (%x %x)\n", dwSourceIndex, sSourceFile, hiconLarge, hiconSmall);
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return -1;
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}
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return SIC_IconAppend (sSourceFile, dwSourceIndex, hiconSmall, hiconLarge);
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}
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/*****************************************************************************
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* SIC_GetIconIndex [internal]
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*
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* Parameters
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* sSourceFile [IN] filename of file containing the icon
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* index [IN] index/resID (negated) in this file
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*
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* NOTES
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* look in the cache for a proper icon. if not available the icon is taken
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* from the file and cached
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*/
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INT SIC_GetIconIndex (LPCSTR sSourceFile, INT dwSourceIndex )
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{ SIC_ENTRY sice;
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INT ret, index = INVALID_INDEX;
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TRACE("%s %i\n", sSourceFile, dwSourceIndex);
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sice.sSourceFile = PathFindFileNameA(sSourceFile);
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sice.dwSourceIndex = dwSourceIndex;
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EnterCriticalSection(&SHELL32_SicCS);
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if (NULL != pDPA_GetPtr (sic_hdpa, 0))
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{
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index = pDPA_Search (sic_hdpa, &sice, -1L, SIC_CompareEntries, 0, 0);
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}
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if ( INVALID_INDEX == index )
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{
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ret = SIC_LoadIcon (sSourceFile, dwSourceIndex);
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}
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else
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{
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TRACE("-- found\n");
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ret = ((LPSIC_ENTRY)pDPA_GetPtr(sic_hdpa, index))->dwListIndex;
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}
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LeaveCriticalSection(&SHELL32_SicCS);
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return ret;
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}
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/****************************************************************************
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* SIC_GetIcon [internal]
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*
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* NOTES
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* retrieves the specified icon from the iconcache. if not found tries to load the icon
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*/
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static HICON WINE_UNUSED SIC_GetIcon (LPCSTR sSourceFile, INT dwSourceIndex, BOOL bSmallIcon )
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{ INT index;
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TRACE("%s %i\n", sSourceFile, dwSourceIndex);
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index = SIC_GetIconIndex(sSourceFile, dwSourceIndex);
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if (INVALID_INDEX == index)
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{
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return INVALID_INDEX;
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}
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if (bSmallIcon)
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return ImageList_GetIcon(ShellSmallIconList, index, ILD_NORMAL);
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return ImageList_GetIcon(ShellBigIconList, index, ILD_NORMAL);
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}
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/*****************************************************************************
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* SIC_Initialize [internal]
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*
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* NOTES
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* hack to load the resources from the shell32.dll under a different dll name
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* will be removed when the resource-compiler is ready
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*/
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BOOL SIC_Initialize(void)
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{
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HICON hSm, hLg;
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UINT index;
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TRACE("\n");
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if (sic_hdpa) /* already initialized?*/
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return TRUE;
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sic_hdpa = pDPA_Create(16);
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if (!sic_hdpa)
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{
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return(FALSE);
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}
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ShellSmallIconList = ImageList_Create(16,16,ILC_COLORDDB | ILC_MASK,0,0x20);
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ShellBigIconList = ImageList_Create(32,32,ILC_COLORDDB | ILC_MASK,0,0x20);
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ImageList_SetBkColor(ShellSmallIconList, GetSysColor(COLOR_WINDOW));
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ImageList_SetBkColor(ShellBigIconList, GetSysColor(COLOR_WINDOW));
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for (index=1; index<39; index++)
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{
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hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 16, 16,LR_SHARED);
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hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(index), IMAGE_ICON, 32, 32,LR_SHARED);
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if(!hSm)
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{
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hSm = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 16, 16,LR_SHARED);
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hLg = LoadImageA(shell32_hInstance, MAKEINTRESOURCEA(0), IMAGE_ICON, 32, 32,LR_SHARED);
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}
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SIC_IconAppend ("shell32.dll", index, hSm, hLg);
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}
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TRACE("hIconSmall=%p hIconBig=%p\n",ShellSmallIconList, ShellBigIconList);
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return TRUE;
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}
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/*************************************************************************
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* SIC_Destroy
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*
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* frees the cache
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*/
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void SIC_Destroy(void)
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{
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LPSIC_ENTRY lpsice;
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int i;
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TRACE("\n");
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EnterCriticalSection(&SHELL32_SicCS);
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if (sic_hdpa && NULL != pDPA_GetPtr (sic_hdpa, 0))
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{
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for (i=0; i < pDPA_GetPtrCount(sic_hdpa); ++i)
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{
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lpsice = pDPA_GetPtr(sic_hdpa, i);
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SHFree(lpsice);
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}
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pDPA_Destroy(sic_hdpa);
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}
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sic_hdpa = NULL;
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LeaveCriticalSection(&SHELL32_SicCS);
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DeleteCriticalSection(&SHELL32_SicCS);
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}
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/*************************************************************************
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* Shell_GetImageList [SHELL32.71]
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*
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* PARAMETERS
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* imglist[1|2] [OUT] pointer which recive imagelist handles
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*
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*/
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BOOL WINAPI Shell_GetImageList(HIMAGELIST * lpBigList, HIMAGELIST * lpSmallList)
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{ TRACE("(%p,%p)\n",lpBigList,lpSmallList);
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if (lpBigList)
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{ *lpBigList = ShellBigIconList;
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}
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if (lpSmallList)
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{ *lpSmallList = ShellSmallIconList;
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}
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return TRUE;
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}
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/*************************************************************************
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* PidlToSicIndex [INTERNAL]
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*
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* PARAMETERS
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* sh [IN] IShellFolder
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* pidl [IN]
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* bBigIcon [IN]
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* uFlags [IN] GIL_*
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* pIndex [OUT] index within the SIC
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*
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*/
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BOOL PidlToSicIndex (
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IShellFolder * sh,
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LPITEMIDLIST pidl,
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BOOL bBigIcon,
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UINT uFlags,
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UINT * pIndex)
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{
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IExtractIconA *ei;
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char szIconFile[MAX_PATH]; /* file containing the icon */
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INT iSourceIndex; /* index or resID(negated) in this file */
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BOOL ret = FALSE;
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UINT dwFlags = 0;
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TRACE("sf=%p pidl=%p %s\n", sh, pidl, bBigIcon?"Big":"Small");
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if (SUCCEEDED (IShellFolder_GetUIObjectOf(sh, 0, 1, &pidl, &IID_IExtractIconA, 0, (void **)&ei)))
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{
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if (SUCCEEDED(IExtractIconA_GetIconLocation(ei, uFlags, szIconFile, MAX_PATH, &iSourceIndex, &dwFlags)))
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{
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*pIndex = SIC_GetIconIndex(szIconFile, iSourceIndex);
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ret = TRUE;
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}
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IExtractIconA_Release(ei);
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}
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if (INVALID_INDEX == *pIndex) /* default icon when failed */
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*pIndex = 1;
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return ret;
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}
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/*************************************************************************
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* SHMapPIDLToSystemImageListIndex [SHELL32.77]
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*
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* PARAMETERS
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* sh [IN] pointer to an instance of IShellFolder
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* pidl [IN]
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* pIndex [OUT][OPTIONAL] SIC index for big icon
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*
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*/
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int WINAPI SHMapPIDLToSystemImageListIndex(
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LPSHELLFOLDER sh,
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LPCITEMIDLIST pidl,
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UINT * pIndex)
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{
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UINT Index;
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TRACE("(SF=%p,pidl=%p,%p)\n",sh,pidl,pIndex);
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pdump(pidl);
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if (pIndex)
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PidlToSicIndex ( sh, pidl, 1, 0, pIndex);
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PidlToSicIndex ( sh, pidl, 0, 0, &Index);
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return Index;
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}
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/*************************************************************************
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* Shell_GetCachedImageIndex [SHELL32.72]
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*
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*/
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INT WINAPI Shell_GetCachedImageIndexA(LPCSTR szPath, INT nIndex, BOOL bSimulateDoc)
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{
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WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_a(szPath), nIndex, bSimulateDoc);
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return SIC_GetIconIndex(szPath, nIndex);
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}
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INT WINAPI Shell_GetCachedImageIndexW(LPCWSTR szPath, INT nIndex, BOOL bSimulateDoc)
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{ INT ret;
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LPSTR sTemp = HEAP_strdupWtoA (GetProcessHeap(),0,szPath);
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WARN("(%s,%08x,%08x) semi-stub.\n",debugstr_w(szPath), nIndex, bSimulateDoc);
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ret = SIC_GetIconIndex(sTemp, nIndex);
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HeapFree(GetProcessHeap(),0,sTemp);
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return ret;
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}
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INT WINAPI Shell_GetCachedImageIndexAW(LPCVOID szPath, INT nIndex, BOOL bSimulateDoc)
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{ if( SHELL_OsIsUnicode())
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return Shell_GetCachedImageIndexW(szPath, nIndex, bSimulateDoc);
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return Shell_GetCachedImageIndexA(szPath, nIndex, bSimulateDoc);
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}
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/*************************************************************************
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* ExtractIconEx [SHELL32.@]
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*/
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HICON WINAPI ExtractIconExAW ( LPCVOID lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
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{ if (SHELL_OsIsUnicode())
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return ExtractIconExW ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
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return ExtractIconExA ( lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
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}
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/*************************************************************************
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* ExtractIconExA [SHELL32.@]
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* RETURNS
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* 0 no icon found
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* 1 file is not valid
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* HICON handle of a icon (phiconLarge/Small == NULL)
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*/
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HICON WINAPI ExtractIconExA ( LPCSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
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{ HICON ret=0;
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TRACE("file=%s idx=%i %p %p num=%i\n", lpszFile, nIconIndex, phiconLarge, phiconSmall, nIcons );
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if (nIconIndex==-1) /* Number of icons requested */
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return PrivateExtractIconsA( lpszFile, -1, 0, 0, NULL, 0, 0, 0 );
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if (phiconLarge)
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{
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ret = PrivateExtractIconsA( lpszFile, nIconIndex, 32, 32, phiconLarge, 0, nIcons, 0 );
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if ( nIcons==1)
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{ ret = phiconLarge[0];
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}
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}
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/* if no pointers given and one icon expected, return the handle directly*/
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if (!phiconLarge && ! phiconSmall && nIcons==1 )
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phiconSmall = &ret;
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if (phiconSmall)
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{
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ret = PrivateExtractIconsA( lpszFile, nIconIndex, 16, 16, phiconSmall, 0, nIcons, 0 );
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if ( nIcons==1 )
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{ ret = phiconSmall[0];
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}
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}
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return ret;
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}
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/*************************************************************************
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* ExtractIconExW [SHELL32.@]
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*/
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HICON WINAPI ExtractIconExW ( LPCWSTR lpszFile, INT nIconIndex, HICON * phiconLarge, HICON * phiconSmall, UINT nIcons )
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{ LPSTR sFile;
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DWORD ret;
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TRACE("file=%s idx=%i %p %p num=%i\n", debugstr_w(lpszFile), nIconIndex, phiconLarge, phiconSmall, nIcons );
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sFile = HEAP_strdupWtoA (GetProcessHeap(),0,lpszFile);
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ret = ExtractIconExA ( sFile, nIconIndex, phiconLarge, phiconSmall, nIcons);
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HeapFree(GetProcessHeap(),0,sFile);
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return ret;
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}
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