private void PropertyChangedHandler(object sender, PropertyChangedEventArgs e)
{
if (sender == null)
{
return;
}
//fire signal according to the property that got changed
var type = sender.GetType();
if (TypeInfos.TryGetValue(type, out var typeInfo))
{
var signalName = typeInfo.GetPropertySignalName(e.PropertyName);
if (signalName != null)
{
sender.ActivateSignal(signalName);
}
}
}