SpamHeaderPropertyChanged Event

public event PropertyChangedEventHandler PropertyChanged

Public Event PropertyChanged As PropertyChangedEventHandler

public:
virtual  event PropertyChangedEventHandler^ PropertyChanged {
	void add (PropertyChangedEventHandler^ value);
	void remove (PropertyChangedEventHandler^ value);
}

abstract PropertyChanged : IEvent<PropertyChangedEventHandler,
    PropertyChangedEventArgs>
override PropertyChanged : IEvent<PropertyChangedEventHandler,
    PropertyChangedEventArgs>

function add_PropertyChanged(value);
function remove_PropertyChanged(value);