namespace System.Windows.Forms
{
    [ClassInterface(ClassInterfaceType.AutoDispatch)]
    [ComVisible(true)]
    [DefaultBindingProperty("Value")]
    [DefaultEvent("ValueChanged")]
    [DefaultProperty("Value")]
    public class NumericUpDown : UpDownBase, ISupportInitialize
    {
        protected override void OnKeyDown(KeyEventArgs e);
    }
}