internal static void RegisterForChangeNotification(ChangeNotification notification)
{
//Bind to a depedency property
Binding b = new Binding(notification.PropertyName)
{
Source = notification.Source
};
DependencyProperty prop = DependencyProperty.RegisterAttached(
string.Format("ListenAttached_{0}_{1}", notification.PropertyName, Guid.NewGuid().ToString()),
typeof(object),
typeof(DependencyObject),
new PropertyMetadata(notification.Callback));
notification.Target = notification.Target ?? notification.Source;
BindingOperations.SetBinding(notification.Target, prop, b);
if (GetChangeNotifications(notification.Target) == null)
{
SetChangeNotifications(notification.Target, new List <ChangeNotification>());
}
List <ChangeNotification> changeNotifications = GetChangeNotifications(notification.Target);
changeNotifications.Add(notification);
}
private void updatePage(int newPageIndex, int oldPageIndex)
{
if (newPageIndex > -1)
{
WizardPage newPage = Pages[newPageIndex];
// Register for change notification on the InputValid property of the new wizard page
List <ChangeNotification> notifications = DependencyPropertyHelper.GetChangeNotifications(this);
bool notificationRegistered = false;
if (notifications != null)
{
foreach (ChangeNotification notification in notifications)
{
if (notification.Source.Equals(newPage) && notification.Callback == InputValid_PropertyChanged &&
notification.PropertyName == "InputValid")
{
notificationRegistered = true;
break;
}
}
}
if (!notificationRegistered)
{
ChangeNotification notification = new ChangeNotification()
{
Source = newPage,
PropertyName = "InputValid",
Target = this,
Callback = InputValid_PropertyChanged
};
DependencyPropertyHelper.RegisterForChangeNotification(notification);
}
checkCommandsCanExecute();
}
CurrentPageIndex = newPageIndex;
if (PageChanged != null)
{
PageChanged(this, EventArgs.Empty);
}
}
internal static void RegisterForChangeNotification(ChangeNotification notification)
{
//Bind to a depedency property
Binding b = new Binding(notification.PropertyName) { Source = notification.Source };
DependencyProperty prop = DependencyProperty.RegisterAttached(
string.Format("ListenAttached_{0}_{1}", notification.PropertyName, Guid.NewGuid().ToString()),
typeof(object),
typeof(DependencyObject),
new PropertyMetadata(notification.Callback));
notification.Target = notification.Target ?? notification.Source;
BindingOperations.SetBinding(notification.Target, prop, b);
if (GetChangeNotifications(notification.Target) == null)
SetChangeNotifications(notification.Target, new List<ChangeNotification>());
List<ChangeNotification> changeNotifications = GetChangeNotifications(notification.Target);
changeNotifications.Add(notification);
}
private void updatePage(int newPageIndex, int oldPageIndex)
{
if (newPageIndex > -1)
{
WizardPage newPage = Pages[newPageIndex];
// Register for change notification on the InputValid property of the new wizard page
List<ChangeNotification> notifications = DependencyPropertyHelper.GetChangeNotifications(this);
bool notificationRegistered = false;
if (notifications != null)
{
foreach (ChangeNotification notification in notifications)
{
if (notification.Source.Equals(newPage) && notification.Callback == InputValid_PropertyChanged
&& notification.PropertyName == "InputValid")
{
notificationRegistered = true;
break;
}
}
}
if (!notificationRegistered)
{
ChangeNotification notification = new ChangeNotification()
{
Source = newPage,
PropertyName = "InputValid",
Target = this,
Callback = InputValid_PropertyChanged
};
DependencyPropertyHelper.RegisterForChangeNotification(notification);
}
checkCommandsCanExecute();
}
CurrentPageIndex = newPageIndex;
if (PageChanged != null)
PageChanged(this, EventArgs.Empty);
}
