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

        private void DeleteVariableAction(FormulaKey data)
        {
            switch (data.Key)
            {
                case FormulaEditorKey.LocalVariable:
                    LocalVariables.Remove(data);
                    break;
                case FormulaEditorKey.GlobalVariable:
                    GlobalVariables.Remove(data);
                    break;
            }
        }
        private bool DeleteVariableCanExecute(FormulaKey formulaKey)