/// <summary>
/// Record the parent <see cref="IClassPropertyPair"/> and read an initial value.
/// </summary>
/// <param name="parent"></param>
private void SetParent(IClassPropertyPair parent)
{
// need to consider fact that we need to 'bin off' any of our current monitors
Parent = parent;
// setup a value change listener for when its value changes
Parent.ValueChanged += Parent_ValueChanged;
// if there current is a value for the parent...
if (parent.Value != null)
{
SetupMonitorAndReadCurrent();
}
else
{
SetValue(null);
}
}
/// <summary>
/// Create an instance for a specified member, parent.
/// </summary>
/// <param name="memberDetails"></param>
/// <param name="parent"></param>
/// <param name="changeSelector"></param>
public ClassPropertyPair(MemberDetails memberDetails, IClassPropertyPair parent, IPropertyChangeNotifierSelector changeSelector)
{
if (parent == null)
{
throw new ArgumentNullException(nameof(parent));
}
if (changeSelector == null)
{
throw new ArgumentNullException(nameof(changeSelector));
}
_memberDetails = memberDetails;
_changeSelector = changeSelector;
SetParent(parent);
}