Class Preference.EventContext

Definition

Namespace:
Tizen.Applications
Assembly:
Tizen.Applications.Preference.dll

The class manages event handlers of the preference keys. The class enables having event handlers for individual preference keys.

public class Preference.EventContext
Inheritance
object
Preference.EventContext

Events

View Source

Changed

Occurs whenever there is a change in the value of a preference key.

Declaration
public event EventHandler<PreferenceChangedEventArgs> Changed
Event Type
Type Description
EventHandler<><PreferenceChangedEventArgs>
Examples
    private static void Preference_PreferenceChanged(object sender, PreferenceChangedEventArgs e)
    {
        Console.WriteLine("key {0}", e.Key);
    }
    Preference.EventContext context = null;
    Preference.GetEventContext("active_user").TryGetTarget(out context);
    if(context != null)
    {
        context.Changed += Preference_PreferenceChanged;
    }

    Preference.Set("active_user", "Poe");

    Preference.GetEventContext("active_user").TryGetTarget(out context);
    if (context != null)
    {
        context.Changed -= Preference_PreferenceChanged;
    }

Extension Methods