private void ListenForFreezableChanges(object resource)
{
if (!ReadInternalState(InternalState.IsListeningForFreezableChanges))
{
// If this value is an unfrozen Freezable object, we need
// to listen to its changed event in order to properly update
// the cache.
Freezable resourceAsFreezable = resource as Freezable;
if (resourceAsFreezable != null && !resourceAsFreezable.IsFrozen)
{
if (_weakContainerRRE == null)
{
_weakContainerRRE = new ResourceReferenceExpressionWeakContainer(this);
}
// Hook up the event to the weak container to prevent memory leaks (Bug436021)
_weakContainerRRE.AddChangedHandler(resourceAsFreezable);
WriteInternalState(InternalState.IsListeningForFreezableChanges, true);
}
}
}
private void ListenForFreezableChanges(object resource)
{
if (!ReadInternalState(InternalState.IsListeningForFreezableChanges))
{
// If this value is an unfrozen Freezable object, we need
// to listen to its changed event in order to properly update
// the cache.
Freezable resourceAsFreezable = resource as Freezable;
if( resourceAsFreezable != null && !resourceAsFreezable.IsFrozen )
{
if (_weakContainerRRE == null)
{
_weakContainerRRE = new ResourceReferenceExpressionWeakContainer(this);
}
// Hook up the event to the weak container to prevent memory leaks (Bug436021)
_weakContainerRRE.AddChangedHandler(resourceAsFreezable);
WriteInternalState(InternalState.IsListeningForFreezableChanges, true);
}
}
}
