//
// Private Methods
//
// PropertyChanged is a special case - we superimpose per-property granularity
// on top of this event, by keeping separate lists of listeners for
// each property.
// Add a listener to the named property (empty means "any property")
private void PrivateAddHandler(Type type, EventHandler <PropertyChangedEventArgs> handler, string propertyName)
{
Debug.Assert(handler != null && type != null && propertyName != null,
"Handler, type, and propertyName of event cannot be null");
using (WriteLock)
{
TypeRecord tr = (TypeRecord)this[type];
if (tr == null)
{
// no entry in the hashtable - add a new one
tr = new TypeRecord(type, this);
this[type] = tr;
// listen for the desired events
tr.StartListening();
}
tr.AddHandler(handler, propertyName);
}
}
//
// Private Methods
//
// PropertyChanged is a special case - we superimpose per-property granularity
// on top of this event, by keeping separate lists of listeners for
// each property.
// Add a listener to the named property (empty means "any property")
private void PrivateAddHandler(Type type, EventHandler<PropertyChangedEventArgs> handler, string propertyName)
{
Debug.Assert(handler != null && type != null && propertyName != null,
"Handler, type, and propertyName of event cannot be null");
using (WriteLock)
{
TypeRecord tr = (TypeRecord)this[type];
if (tr == null)
{
// no entry in the hashtable - add a new one
tr = new TypeRecord(type, this);
this[type] = tr;
// listen for the desired events
tr.StartListening();
}
tr.AddHandler(handler, propertyName);
}
}
