public static extern UInt32 ZwOpenFile(IntPtr ptr_to_FileHandle, Int32 DesiredAccess, IntPtr ObjectAttributes, IntPtr IoStatusBlock, Int32 ShareAccess, FileCreationFlags OpenOptions);
public static extern UInt32 ZwCreateFile(IntPtr ptr_to_FileHandle, AccessRightsFlags DesiredAccess, IntPtr ObjectAttributes, IntPtr IoStatusBlock, Int32 AllocationSize, Int32 FileAttributes, ShareAccessFlags ShareAccess, Int32 CreateDisposition, FileCreationFlags CreateOptions, IntPtr EaBuffer, Int32 EaLength);
