private static void OnServiceListChanged(DependencyObject sender, DependencyPropertyChangedEventArgs changeArgs)
{
var element = sender as FrameworkElement;
var oldList = changeArgs.OldValue as UIServiceCollection;
if (element != null)
{
if (oldList != null)
{
var oldProvider = GetServiceProvider(element);
if (oldProvider != null)
{
oldProvider.Dispose();
}
}
// Create a service provider for the element.
UIServiceProvider newProvider = null;
var newList = changeArgs.NewValue as UIServiceCollection;
if (newList != null)
{
newProvider = new UIServiceProvider();
newProvider.AttachToElement(element, newList);
}
SetServiceProvider(element, newProvider);
}
}
private static UIServiceProvider CreateServiceProvider(FrameworkElement element)
{
var serviceList = GetServiceList(element);
if (serviceList == null)
{
return(null);
}
log.DebugFormat("Creating a new service provider for {0}", element);
var serviceProvider = new UIServiceProvider();
SetServiceProvider(element, serviceProvider);
serviceProvider.AttachToElement(element, serviceList);
return(serviceProvider);
}
