private static void OnKeyDown(this ScrollableControl control, KeyEventArgs e)
{
if (!control.ContainsFocus)
{
return;
}
if (e.KeyCode == Keys.PageUp)
{
control.PageUp();
}
if (e.KeyCode == Keys.PageDown)
{
control.PageDown();
}
if (e.KeyCode == Keys.Up)
{
control.ScrollUp();
}
if (e.KeyCode == Keys.Down)
{
control.ScrollDown();
}
}