private void btnOK_Click(object sender, EventArgs e)
{
EngineManager objEngineManager = new EngineManager();
foreach (var item in lstActiveEngine)
{
objEngineManager.ActivateEngine(item.EngineTitle);
}
foreach (var item in lstDeActiveEngine)
{
objEngineManager.DeActivateEngine(item.EngineTitle);
}
this.Close();
}