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| typedef struct _ICONDIRENTRY {
BYTE bWidth;
BYTE bHeight;
BYTE bColorCount;
BYTE bReserved;
WORD wPlanes;
WORD wBitCount;
DWORD dwBytesInRes;
DWORD dwImageOffset;
} ICONDIRENTRY,
* LPICONDIRENTRY;
typedef struct _ICONDIR {
WORD idReserved;
WORD idType;
WORD idCount;
ICONDIRENTRY idEntries[1];
} ICONDIR,
* LPICONDIR;
typedef struct _GRPICONDIRENTRY {
BYTE bWidth;
BYTE bHeight;
BYTE bColorCount;
BYTE bReserved;
WORD wPlanes;
WORD wBitCount;
DWORD dwBytesInRes;
WORD nID;
} GRPICONDIRENTRY,
* LPGRPICONDIRENTRY;
typedef struct _GRPICONDIR {
WORD idReserved;
WORD idType;
WORD idCount;
GRPICONDIRENTRY idEntries[1];
} GRPICONDIR,
* LPGRPICONDIR;
BOOL AddIcon(LPSTR szIFileName, LPSTR szEFileName)
{
HANDLE hFile = CreateFile(szIFileName, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
if(hFile == INVALID_HANDLE_VALUE)
{
error("[E1]");
return FALSE;
}
LPICONDIR lpid;
lpid = (LPICONDIR)malloc(sizeof(ICONDIR));
if(lpid == NULL)
{
error("[E2]");
return FALSE;
}
DWORD dwBytesRead;
ReadFile(hFile, &lpid->idReserved, sizeof(WORD), &dwBytesRead, NULL);
ReadFile(hFile, &lpid->idType, sizeof(WORD), &dwBytesRead, NULL);
ReadFile(hFile, &lpid->idCount, sizeof(WORD), &dwBytesRead, NULL);
lpid = (LPICONDIR)realloc(lpid, (sizeof(WORD) * 3) + (sizeof(ICONDIRENTRY) * lpid->idCount));
if(lpid == NULL)
{
error("[E3]");
return FALSE;
}
ReadFile(hFile, &lpid->idEntries[0], sizeof(ICONDIRENTRY) * lpid->idCount, &dwBytesRead, NULL);
LPGRPICONDIR lpgid;
lpgid = (LPGRPICONDIR)malloc(sizeof(GRPICONDIR));
if(lpgid == NULL)
{
error("[E4]");
return FALSE;
}
lpgid->idReserved = lpid->idReserved;
lpgid->idType = lpid->idType;
lpgid->idCount = lpid->idCount;
lpgid = (LPGRPICONDIR)realloc(lpgid, (sizeof(WORD) * 3) + (sizeof(GRPICONDIRENTRY) * lpgid->idCount));
if(lpgid == NULL)
{
error("[E5]");
return FALSE;
}
int i;
for(i=0; i < lpgid->idCount; i++)
{
lpgid->idEntries[i].bWidth = lpid->idEntries[i].bWidth;
lpgid->idEntries[i].bHeight = lpid->idEntries[i].bHeight;
lpgid->idEntries[i].bColorCount = lpid->idEntries[i].bColorCount;
lpgid->idEntries[i].bReserved = lpid->idEntries[i].bReserved;
lpgid->idEntries[i].wPlanes = lpid->idEntries[i].wPlanes;
lpgid->idEntries[i].wBitCount = lpid->idEntries[i].wBitCount;
lpgid->idEntries[i].dwBytesInRes = lpid->idEntries[i].dwBytesInRes;
lpgid->idEntries[i].nID = i + 1;
}
HANDLE hUpdate;
hUpdate = BeginUpdateResource(szEFileName, TRUE);
if(hUpdate == NULL)
{
error("[E6]");
CloseHandle(hFile);
return FALSE;
}
for(i = 0; i < lpid->idCount; i++)
{
LPBYTE lpBuffer = (LPBYTE)malloc(lpid->idEntries[i].dwBytesInRes);
if(lpBuffer == NULL)
{
error("[E7]");
CloseHandle(hFile);
return FALSE;
}
SetFilePointer(hFile, lpid->idEntries[i].dwImageOffset, NULL, FILE_BEGIN);
ReadFile(hFile, lpBuffer, lpid->idEntries[i].dwBytesInRes, &dwBytesRead, NULL);
if(UpdateResource(hUpdate, RT_ICON, MAKEINTRESOURCE(lpgid->idEntries[i].nID), MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), &lpBuffer[0], lpid->idEntries[i].dwBytesInRes) == FALSE)
{
error("[E8]");
CloseHandle(hFile);
free(lpBuffer);
return FALSE;
}
free(lpBuffer);
}
CloseHandle(hFile);
if(UpdateResource(hUpdate, RT_GROUP_ICON, MAKEINTRESOURCE(1), MAKELANGID(LANG_NEUTRAL, SUBLANG_NEUTRAL), &lpgid[0], (sizeof(WORD) * 3) + (sizeof(GRPICONDIRENTRY) * lpgid->idCount)) == FALSE)
{
error("[E9]");
return FALSE;
}
if(EndUpdateResource(hUpdate, FALSE) == FALSE)
{
printf("[E10]");
return FALSE;
}
return TRUE;
}
main()
{
AddIcon("icone.ico","application.exe");
getch();
} |
