System.Windows.Forms.UpDownBase.OnTextBoxKeyDown C# (CSharp) Method

		protected virtual void OnTextBoxKeyDown (object source, KeyEventArgs e)
		{
			if (_InterceptArrowKeys) {
				if ((e.KeyCode == Keys.Up) || (e.KeyCode == Keys.Down)) {
					e.Handled = true;

					if (e.KeyCode == Keys.Up)
						UpButton();
					if (e.KeyCode == Keys.Down)
						DownButton();
				}
			}

			OnKeyDown(e);
		}