/// <summary>
/// Determines the interesting dependency properties.
/// </summary>
/// <returns>A list of names with dependency properties to subscribe to.</returns>
private List <DependencyPropertyInfo> DetermineInterestingDependencyProperties()
{
var targetControlType = TargetControlType;
return(_dependencyPropertiesToSubscribe.GetFromCacheOrFetch(targetControlType, () =>
{
var controlDependencyProperties = TargetControl.GetDependencyProperties();
var dependencyProperties = new List <DependencyPropertyInfo>();
if ((_dependencyPropertySelector == null) || (_dependencyPropertySelector.MustSubscribeToAllDependencyProperties(targetControlType)))
{
dependencyProperties.AddRange(controlDependencyProperties);
}
else
{
var dependencyPropertiesToSubscribe = _dependencyPropertySelector.GetDependencyPropertiesToSubscribeTo(targetControlType);
if (!dependencyPropertiesToSubscribe.Contains("DataContext"))
{
dependencyPropertiesToSubscribe.Add("DataContext");
}
foreach (var gatheredDependencyProperty in controlDependencyProperties)
{
if (dependencyPropertiesToSubscribe.Contains(gatheredDependencyProperty.PropertyName))
{
dependencyProperties.Add(gatheredDependencyProperty);
}
}
}
return dependencyProperties;
}));
}
