KinectWithVRServer.MainWindow.GetSkeletonTabNumer C# (CSharp) Method

        private int GetSkeletonTabNumer(TabItem tab)
        {
            int number = -1;
            string header = (string)tab.Header;
            if (header != "Merged Skeletons") //the merged skeletons tab will always be first
            {
                string numStr = header.Substring(7, header.Length - 7);
                int temp;
                if (int.TryParse(numStr, out temp))
                {
                    number = temp;
                }
            }
            return number;
        }