protected override void OnKeyDown(KeyEventArgs e)
{
base.OnKeyDown(e);
//if (_htmlContainer != null)
// _htmlContainer.HandleKeyDown(this, e);
//if (e.KeyCode == Keys.Up)
//{
// VerticalScroll.Value = Math.Max(VerticalScroll.Value - 70, VerticalScroll.Minimum);
// PerformLayout();
//}
//else if (e.KeyCode == Keys.Down)
//{
// VerticalScroll.Value = Math.Min(VerticalScroll.Value + 70, VerticalScroll.Maximum);
// PerformLayout();
//}
//else if (e.KeyCode == Keys.PageDown)
//{
// VerticalScroll.Value = Math.Min(VerticalScroll.Value + 400, VerticalScroll.Maximum);
// PerformLayout();
//}
//else if (e.KeyCode == Keys.PageUp)
//{
// VerticalScroll.Value = Math.Max(VerticalScroll.Value - 400, VerticalScroll.Minimum);
// PerformLayout();
//}
//else if (e.KeyCode == Keys.End)
//{
// VerticalScroll.Value = VerticalScroll.Maximum;
// PerformLayout();
//}
//else if (e.KeyCode == Keys.Home)
//{
// VerticalScroll.Value = VerticalScroll.Minimum;
// PerformLayout();
//}
}