'宣言 Protected Overridable Sub OnPropertyChanged( _ ByVal e As System.Windows.DependencyPropertyChangedEventArgs _ )
'宣言
Protected Overridable Sub OnPropertyChanged( _ ByVal e As System.Windows.DependencyPropertyChangedEventArgs _ )
protected virtual void OnPropertyChanged( System.Windows.DependencyPropertyChangedEventArgs e )
BaseControlHandler クラス BaseControlHandler メンバ