internal static extern bool FindNextStream(IntPtr hFindStream, out FIND_STREAM lpFindStreamData);
internal static extern IntPtr FindFirstStream(string lpFileName, int InfoLevel, out FIND_STREAM lpFindStreamData, int dwFlags);
internal static extern bool FindNextStream(IntPtr hFindStream, out FIND_STREAM lpFindStreamData);
internal static extern IntPtr FindFirstStream(string lpFileName, int InfoLevel, out FIND_STREAM lpFindStreamData, int dwFlags);