/// <summary>
/// Creates the trigger property.
/// </summary>
/// <param name="onPropertyChanged">A method that raises <see cref="INotifyPropertyChanged.PropertyChanged"/>.</param>
/// <param name="initialValue">The optional initial value of the property.</param>
/// <param name="comparer">The optional comparer used to determine when the value of the property has changed.</param>
public TriggerProperty(Action <PropertyChangedEventArgs> onPropertyChanged, T initialValue = default(T), IEqualityComparer <T> comparer = null)
{
_sourceProperty = new SourceProperty(onPropertyChanged);
_comparer = comparer ?? EqualityComparer <T> .Default;
_value = initialValue;
Attach(_value);
}
/// <summary>
/// Creates a debug view for the specified property.
/// </summary>
/// <param name="property">The property to examine.</param>
public DebugView(SourceProperty property)
{
_property = property;
}
/// <summary>
/// Creates the calculated property.
/// </summary>
/// <param name="onPropertyChanged">A method that raises <see cref="INotifyPropertyChanged.PropertyChanged"/>.</param>
/// <param name="calculateValue">The delegate used to calculate the property value.</param>
public CalculatedProperty(Action <PropertyChangedEventArgs> onPropertyChanged, Func <T> calculateValue)
{
_sourceProperty = new SourceProperty(onPropertyChanged);
_calculateValue = calculateValue;
_sources = new HashSet <ISourceProperty>();
}