cancel_all_changes

Description:

public bool cancel_all_changes ()

Cancel all the changes stored in the proxy (the this will be reset to its state as it was just after creation).

Note that if there are some cached changes (i.e. not applied to the current proxied data model), then these cached changes are not cleared (set the "cache-changes" property to false for this).

Parameters:

this	a DataProxy object

Returns:

TRUE if no error occurred