下面是代码，望高手指教
bool ChangeExeIcon(LPCTSTR IconFile, LPCTSTR ExeFile)
{
ICONDIR stID;
ICONDIRENTRY stIDE;
GRPICONDIR stGID;
HANDLE hFile;
DWORD nSize, nGSize, dwReserved;
HANDLE hUpdate;
PBYTE pIcon, pGrpIcon;
BOOL ret;
hFile = CreateFile(IconFile, GENERIC_READ, NULL, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
return false;
}
ZeroMemory(&stID, sizeof(ICONDIR));
ret = ReadFile(hFile, &stID, sizeof(ICONDIR), &dwReserved, NULL);
ZeroMemory(&stIDE, sizeof(ICONDIRENTRY));
ret = ReadFile(hFile, &stIDE, sizeof(ICONDIRENTRY), &dwReserved, NULL);
nSize = stIDE.dwBytesInRes;
pIcon = (PBYTE)malloc(nSize);
SetFilePointer(hFile, stIDE.dwImageOffset, NULL, FILE_BEGIN);
ret = ReadFile(hFile, (LPVOID)pIcon, nSize, &dwReserved, NULL);
if (!ret)
{
CloseHandle(hFile);
return false;
}
ZeroMemory(&stGID, sizeof(GRPICONDIR));
stGID.idCount = stID.idCount;
stGID.idReserved = 0;
stGID.idType = 1;
CopyMemory(&stGID.idEntries, &stIDE, 12);
stGID.idEntries.nID = 0;
nGSize = sizeof(GRPICONDIR);
pGrpIcon = (PBYTE)malloc(nGSize);
CopyMemory(pGrpIcon, &stGID, nGSize);
hUpdate = BeginUpdateResource(ExeFile, false);
ret = UpdateResource(hUpdate, RT_GROUP_ICON, MAKEINTRESOURCE(1), 0, (LPVOID)pGrpIcon, nGSize);
ret = UpdateResource(hUpdate, RT_ICON, MAKEINTRESOURCE(1), 0, (LPVOID)pIcon, nSize);
EndUpdateResource(hUpdate, false);
if (!ret)
{
CloseHandle(hFile);
return false;
}
CloseHandle(hFile);
return true;
}
