Технология SilverLight для чайников. Урок 2. Ввод текста.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

namespace SilverlightApplication1

{

    public partial class MainPage : UserControl

    {

        public MainPage()

        {

            InitializeComponent();

        }

        private void textBox1_TextChanged(object sender, TextChangedEventArgs e)

        {

            label1.FontSize = Convert.ToInt16(textBox1.Text);

        }

        private void button1_Click(object sender, RoutedEventArgs e)

        {

            label1.FontSize = 8;

        }

        private void button2_Click(object sender, RoutedEventArgs e)

        {

            label1.FontSize = 12;

        }

        private void button3_Click(object sender, RoutedEventArgs e)

        {

            label1.FontSize = 16;

        }

    }

}

        private void textBox1_TextChanged(object sender, TextChangedEventArgs e)

        {

            try

            {

                label1.FontSize = Convert.ToInt16(textBox1.Text);

            }

            catch

            {

                MessageBox.Show("введены неверные данные");

            }

        }