private static void OnCollectedSettingChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
{
FrameworkElement _frameworkElement = dependencyObject as FrameworkElement;
if (_frameworkElement == null)
{
Debug.WriteLine("FrameworkElementSettings: invalid framework element");
return;
}
DependencyProperty _dependencyProperty = e.NewValue as DependencyProperty;
if (_dependencyProperty == null)
{
Debug.WriteLine("FrameworkElementSettings: missing dependency property");
return;
}
// search the framework element settings
FrameworkElementSettings _frameworkElementSettings =
_frameworkElement.ReadLocalValue(DependencyPropertySetting.ApplicationSettingsProperty) as
FrameworkElementSettings;
if (_frameworkElementSettings == null)
{
Debug.WriteLine("FrameworkElementSettings: missing framework element settings in element " +
_frameworkElement);
return;
}
DependencyPropertySettingCollector _collector = new DependencyPropertySettingCollector(_frameworkElement, _dependencyProperty);
_frameworkElementSettings.SettingCollectors.Add(_collector);
}
private static void OnFrameworkElementSettingsChanged(DependencyObject dependencyObject,
DependencyPropertyChangedEventArgs e)
{
FrameworkElement _frameworkElement = dependencyObject as FrameworkElement;
if (_frameworkElement == null)
{
Debug.WriteLine("FrameworkElementSettings: invalid framework element");
return;
}
if (_frameworkElement.GetValue(DependencyPropertySetting.ApplicationSettingsProperty) != null)
{
return; // framework-element contains already an application setting
}
string _settingsKey = e.NewValue as string;
if (string.IsNullOrEmpty(_settingsKey))
{
Debug.WriteLine("FrameworkElementSettings: missing framework element settings key");
return;
}
// create and attach the application settings to the framework-element
FrameworkElementSettings _frameworkElementSettings = new FrameworkElementSettings(_frameworkElement, _settingsKey);
_frameworkElement.SetValue(DependencyPropertySetting.ApplicationSettingsProperty, _frameworkElementSettings);
}
