private void MainForm_KeyUp(object sender, KeyEventArgs e) { if (e.KeyData == Keys.S) { m_Scene.Swap(); } else if (e.KeyData == Keys.PageUp) { m_Scene.MovePupilRight(); } else if (e.KeyData == Keys.PageDown) { m_Scene.MovePupilLeft(); } else if (e.KeyData == Keys.Home) { m_Scene.IncreaseScale(); } else if (e.KeyData == Keys.End) { m_Scene.DecreaseScale(); } else if (e.KeyData == Keys.Escape) { this.Close(); } }