MemoryMonitor.connectLowMemoryWarning

gulong connectLowMemoryWarning(T)(T callback, Flag!"After" after = No.After)

Connect to LowMemoryWarning signal.

Emitted when the system is running low on free memory. The signal handler should then take the appropriate action depending on the warning level. See the #GMemoryMonitorWarningLevel documentation for details.

Parameters

`callback`	signal callback delegate or function to connect `void callback(gio.types.MemoryMonitorWarningLevel level, gio.memory_monitor.MemoryMonitor memoryMonitor)` `level` the #GMemoryMonitorWarningLevel warning level (optional) `memoryMonitor` the instance the signal is connected to (optional)
`after`	Yes.After to execute callback after default handler, No.After to execute before (default)

Returns

Signal ID