At.FF.Krems.FullscreenBrowser.GeckoBrowser.OnFormClosing C# (CSharp) Method

        protected override void OnFormClosing(FormClosingEventArgs e)
        {
            switch (e.CloseReason)
            {
                case CloseReason.UserClosing:
                    e.Cancel = true;
                    break;
            }

            base.OnFormClosing(e);
        }