protected virtual void UpdateControls(Object sender, EventArgs e)
        {
            AnswerTextBox.SetSize((Int32)(ClientSize.Width * 0.8), ControlSizeType.Width);
            AnswerTextBox.SetPositionInner(this, PointOffset.DownLeft, 0);
            _submitButton.SetSize((Int32)(ClientSize.Width * 0.2), AnswerTextBox.Size.Height);
            _submitButton.SetPosition(AnswerTextBox, PointOffset.Right, 0);

#if DEBUG
            _helpButton.SetPosition(0, 0);
            _helpButton.SetSize(AnswerTextBox.Size.Height, ControlSizeType.Both);
#endif
        }
        private void InitializeComponent()
        {
            SuspendLayout();
            ClientSize = new Size(GUILayout.MainFormSizeWidth, GUILayout.MainFormSizeHeight);

            _githubButton = new WebBrowserButton
            {
                Size = new Size(25, 25),
                Url  = ProgramLocalization.ProjectGitHubPage,
                BackgroundImageLayout = ImageLayout.Stretch,
                BackgroundImage       = Images.Flat.GitHub,
            };

            _githubButton.SetPosition(this, PointOffset.UpRight, 0);

            _localizationComboBox = new LocalizationComboBox();

            _localizationComboBox.SetPosition(_githubButton, PointOffset.Left, 0);

            _subjectComboBox = new FixedComboBox
            {
                DropDownStyle = ComboBoxStyle.DropDownList,
            };

            _subjectComboBox.SetSize(180, ControlSizeType.Width);

            foreach (SubjectType subject in EnumUtils.GetValuesWithoutDefault <SubjectType>())
            {
                _subjectComboBox.Items.Add(Globals.Localization.Subjects[subject]);
            }

            _subjectComboBox.SelectedIndex = 0;

            _startTestButton = new FixedButton();
            _startTestButton.SetSize(125, ControlSizeType.Width);
            _startTestButton.SetPosition(_subjectComboBox, PointOffset.Right, 0);
            _startTestButton.Click += StartTestButtonOnClick;

            _testTab = new TestTab
            {
                Appearance = TabAppearance.FlatButtons,
                BackColor  = Color.Black
            };
            _testTab.SetPosition(_subjectComboBox, PointOffset.Down, 0);
            _testTab.SetSize(ClientSize.Width, ClientSize.Height - _testTab.Location.Y - 20);
            _testTab.Completed += StopTest;

            _timerLabel = new FixedLabel
            {
                AutoSize  = false,
                ForeColor = Color.Red
            };
            _timerLabel.SetSize(20, ControlSizeType.Height);
            _timerLabel.SetPosition(0, _testTab.Location.Y + _testTab.Size.Height);

            _stopTestButton = new FixedButton
            {
                Visible = false,
                Enabled = false
            };
            _stopTestButton.SetSize(120, 20);
            _stopTestButton.SetPosition(ClientSize.Width - _stopTestButton.Size.Width, _testTab.Location.Y + _testTab.Size.Height);
            _stopTestButton.Click += StopTestButtonOnClick;

            _lastGradeLabel = new FixedLabel
            {
                AutoSize  = false,
                TextAlign = ContentAlignment.MiddleCenter,
                ForeColor = Color.Red,
                Text      = @"-",
                Visible   = false
            };
            _lastGradeLabel.SetSize(30, _stopTestButton.Size.Height);
            _lastGradeLabel.SetPosition(_stopTestButton, PointOffset.Left, 0);

            _lastGradeTextLabel = new FixedLabel
            {
                AutoSize  = false,
                TextAlign = ContentAlignment.MiddleRight,
                ForeColor = Color.Red,
                Visible   = false
            };
            _lastGradeTextLabel.SetSize(120, _lastGradeLabel.Size.Height);
            _lastGradeTextLabel.SetPosition(_lastGradeLabel, PointOffset.Left, 0);

            FormBorderStyle = FormBorderStyle.FixedSingle;
            MaximizeBox     = false;
            Icon            = Resources.Resources.icon;
            Controls.Add(_githubButton);
            Controls.Add(_localizationComboBox);
            Controls.Add(_subjectComboBox);
            Controls.Add(_startTestButton);
            Controls.Add(_testTab);
            Controls.Add(_timerLabel);
            Controls.Add(_stopTestButton);
            Controls.Add(_lastGradeLabel);
            Controls.Add(_lastGradeTextLabel);
            ResumeLayout();
        }