73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
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/* EXTRACT.C - */
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/* Icon Extraction Routines */
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/* NOTE most icon functions are thunked */
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#include "shprv.h"
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/*
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* InternalExtractIcon PRIVATE WIN30
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* returns a list of icons.
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* in:
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* hInst Instance handle.
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* lpszExeFileName File to read from.
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* nIconIndex Index to first icon.
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* nIcons The number of icons to read.
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* returns:
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* handle to arrary of hicons
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* note(s)
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* called by old Progman
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* we cant thunk this up to 32bits for a few reasons.
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* it returns a 16bit HANDLE 32bit side returns a 32bit HANDLE.
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* a LPHICON points to a WORD in 16bit land, DWORD in 32bit land
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*/
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HGLOBAL WINAPI InternalExtractIcon(HINSTANCE hInst, LPCSTR lpszExeFileName, UINT nIconIndex, UINT nIcons)
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{
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HGLOBAL hIconList; // Handle of list of icons.
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HICON FAR *lpIcons;
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UINT nNumIcons;
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int i;
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// Caller doesn't want any icons...
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if (nIcons == 0)
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return NULL;
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// Create a list for the icons.
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hIconList = GlobalAlloc(GPTR, (DWORD)nIcons * sizeof(HICON));
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if (hIconList)
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{
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lpIcons = MAKELP(hIconList, 0);
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nNumIcons = (int)ExtractIcon(hInst, lpszExeFileName, (UINT)-1);
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if (nIconIndex == (UINT)-1)
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{
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lpIcons[0] = (HICON)nNumIcons;
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}
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else
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{
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if (nIcons > nNumIcons)
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nIcons = nNumIcons;
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for (i=0; i<(int)nIcons; i++)
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lpIcons[i] = ExtractIcon(hInst, lpszExeFileName, nIconIndex+i);
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}
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}
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return hIconList;
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}
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