gistfile1.txt

BOOL IsParentExplorer() 
{
	if (HWND hwnd = GetShellWindow())
	{
		ULONG dwProcessId;
		if (GetWindowThreadProcessId(hwnd, &dwProcessId))
		{
			PROCESS_BASIC_INFORMATION pbi;
			if (0 <= NtQueryInformationProcess(NtCurrentProcess(), ProcessBasicInformation, &pbi, sizeof(pbi), 0))
			{
				return pbi.InheritedFromUniqueProcessId == (HANDLE)(ULONG_PTR)dwProcessId;
			}
		}
	}

	return FALSE;
}