device_changed

Description:

[ Version ( since = "1.16" ) ]
public void device_changed (Device device, Device changed_device)

This function is used when changed_device was modified into its new form device.

This will post a `DEVICE_CHANGED` message on the bus to let the application know that the device was modified. Device is immutable for MT. safety purposes so this is an "atomic" way of letting the application know when a device was modified.

Parameters:

device	the new version of `changed_device`
changed_device	the old version of the device that has been updated