/// <summary>
/// Handle a change to the max history count.
/// </summary>
/// <param name="dependencyObject">The FolderNavBar.</param>
/// <param name="eventArgs">The event arguments.</param>
private static void OnMaxHistoryCountChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs eventArgs)
{
FolderNavBar folderNavBar = dependencyObject as FolderNavBar;
if (folderNavBar != null && folderNavBar.MaxHistoryCount != 0)
{
while (folderNavBar.history.Count > folderNavBar.MaxHistoryCount)
{
folderNavBar.history.RemoveAt(folderNavBar.history.Count - 1);
}
}
}
/// <summary>
/// Handles a change to the Navigation change property.
/// </summary>
/// <param name="dependencyObject">The object that owns the property.</param>
/// <param name="dependencyPropertyChangedEventArgs">A description of the changed property.</param>
private static void OnSelectedValueChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
{
// Extract the variables from the generic arguments.
FolderNavBar folderNavBar = dependencyObject as FolderNavBar;
FolderNavNode newValue = dependencyPropertyChangedEventArgs.NewValue as FolderNavNode;
folderNavBar.breadcrumb.SelectedItem = newValue;
folderNavBar.history.Remove(newValue);
folderNavBar.history.Insert(0, newValue);
if (folderNavBar.MaxHistoryCount != 0 && folderNavBar.history.Count > folderNavBar.MaxHistoryCount)
{
folderNavBar.history.RemoveAt(folderNavBar.history.Count - 1);
}
}
