[DllImport("Kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)][return: MarshalAs(UnmanagedType.Bool)]
public static extern bool ReadDirectoryChangesW(IntPtr hDirectory,
IntPtr lpBuffer,
uint nBufferLength,
[MarshalAs(UnmanagedType.Bool)] bool bWatchSubtree,
uint dwNotifyFilter,
out uint lpBytesReturned,
IntPtr lpOverlapped,
IntPtr lpCompletionRoutine
);