VixenModules.Editor.TimedSequenceEditor.MarkManager.listViewMarks_SelectedIndexChanged C# (CSharp) Method

        private void listViewMarks_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (listViewMarks.SelectedItems.Count == 1) {
                textBoxTime.Text = listViewMarks.SelectedItems[0].Text;
                buttonAddOrUpdateMark.Text = "Update";
            } else {
                textBoxTime.Text = "";
                buttonAddOrUpdateMark.Text = "Add";
            }
        }