/// <summary>
/// Removes an element from the registry.
/// </summary>
/// <param name="element">The element to remove from the registry.</param>
public void UnregisterElement(FrameworkElement element)
{
if (String.IsNullOrEmpty(element.Name))
return;
FrameworkElement existing;
if (elementsByName.TryGetValue(element.Name, out existing))
{
if (existing != element)
return;
}
elementsByName.Remove(element.Name);
}
/// <summary>
/// Adds an element to the registry.
/// </summary>
/// <param name="element">The element to add to the registry.</param>
public void RegisterElement(FrameworkElement element)
{
if (String.IsNullOrEmpty(element.Name))
return;
FrameworkElement existing;
if (elementsByName.TryGetValue(element.Name, out existing))
{
if (existing == element)
{
return;
}
throw new InvalidOperationException(PresentationStrings.ElementWithNameAlreadyExists.Format(element.Name));
}
elementsByName[element.Name] = element;
}
