Catrobat.IDE.Core.ViewModels.Editor.Formula.FormulaKeyboardViewModel.KeyPressedAction C# (CSharp) Method

        private void KeyPressedAction(FormulaKey data)
        {
            if (_recentlyUsed.Contains(data)) _recentlyUsed.Remove(data);
            _recentlyUsed.Insert(0, data);
            if (_recentlyUsed.Count > MaxHistoryCount) _recentlyUsed.RemoveAt(_recentlyUsed.Count - 1);
        }