TextEditor2.MainUI.DeleteMessage C# (CSharp) Method

        private void DeleteMessage()
        {
            if (MessageList.Count == 1)
            {
                MessageBox.Show("There must be at least one message in the file.");

                return;
            }

            MessageList.RemoveAt(SelectedMessageIndex);

            FillMessageListBox();

            if (SelectedMessageIndex >= MessageList.Count)
            {
                UpdateSelectedMessage(SelectedMessageIndex - 1);

                return;
            }

            UpdateSelectedMessage(SelectedMessageIndex);
        }