event AnnObjectEditorValueChangedHandler OnValueChanged
event AnnObjectEditorValueChangedHandler OnValueChanged
NSNotification
name:LTAnnEditorChangeNotification
object:self
userInfo:NSDictionary
key:LTAnnEditorNewValueKey obj:NSObject*
key:LTAnnEditorOldValueKey obj:NSObject*
void addOnValueChangedListener(AnnObjectEditorValueChangedListener listener);
void removeOnValueChangedListener(AnnObjectEditorValueChangedListener listener);
add_OnValueChanged(function(sender, e))
remove_OnValueChanged(function(sender, e))
