using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace WpfApplication1
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();

            var grid = new Grid();

            grid.Children.Add(new Button { Content = "Anal" });
            grid.Children.Add(new Button { Content = "Anal" });
            grid.Children.Add(new Button { Content = "Oral" });
            grid.Children.Add(new TextBox { Text = "Oral" });

            var controls = grid.Children.OfType<UIElement>();

            var excluded = controls.Where(control => (control is Button) && (control as Button).Content == "Anal");

            var result = controls.Except(excluded);

        }
    }
}