/// <summary>
/// Retrieves the specified trigger property if it exists; otherwise, creates the named trigger property and returns it.
/// </summary>
/// <typeparam name="T">The type of the property value.</typeparam>
/// <param name="calculateInitialValue">The optional delegate that returns the initial value of the property.</param>
/// <param name="comparer">The optional comparer used to determine when the value of the property has changed.</param>
/// <param name="propertyName">The name of the property to retrieve or create.</param>
public TriggerProperty <T> GetOrAddTriggerProperty <T>(Func <T> calculateInitialValue = null, IEqualityComparer <T> comparer = null, [CallerMemberName] string propertyName = null)
{
IProperty result;
if (!_properties.TryGetValue(propertyName, out result))
{
result = new TriggerProperty <T>(_onPropertyChanged, calculateInitialValue == null ? default(T) : calculateInitialValue(), comparer);
_properties.Add(propertyName, result);
}
return(result as TriggerProperty <T>);
}
public DebugView(TriggerProperty <T> property)
{
_property = property;
_base = new SourceProperty.DebugView(property._sourceProperty);
}