public static extern BOOL HeapWalk(HANDLE hHeap, [NativeTypeName("LPPROCESS_HEAP_ENTRY")] PROCESS_HEAP_ENTRY *lpEntry);
public static extern int HeapWalk([NativeTypeName("HANDLE")] IntPtr hHeap, [NativeTypeName("LPPROCESS_HEAP_ENTRY")] PROCESS_HEAP_ENTRY *lpEntry);