using System;
using System.Windows.Forms;

namespace Study
{
    public partial class TextBox : Form
    {
        public TextBox()
        {
            InitializeComponent();
            textBox1.KeyUp += new KeyEventHandler(textBox1_KeyUp);
        }

        private void TextBox_Load(object sender, EventArgs e)
        {
            
        }
        private void textBox1_KeyUp(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Control || e.KeyCode == Keys.Enter)
            {
                MessageBox.Show("看到此提示說明在textbox1內按了回車鍵", "textbox控制元件繫結回車控制元件");
            }
        }
    }
}