public void ControlOnFocusGained() { tlog.Debug(tag, $"ControlOnFocusGained START"); var testingTarget = new MyControl(); Assert.IsNotNull(testingTarget, "null handle"); Assert.IsInstanceOf <Control>(testingTarget, "Should return Control instance."); try { testingTarget.OnFocusGained(); testingTarget.OnFocusLost(); } catch (Exception e) { tlog.Debug(tag, e.Message.ToString()); Assert.Fail("Caught Exception : Failed!"); } testingTarget.Dispose(); tlog.Debug(tag, $"ControlOnFocusGained END (OK)"); }