- publicForm1()
- {
- InitializeComponent();
- textBox1.Enter+=newEventHandler(textBox1_Enter);//获得焦点事件
- textBox1.Leave+=newEventHandler(textBox1_Leave);//失去焦点事件。
- }
- void textBox1_Enter(object sender,EventArgs e)
- {
- MessageBox.Show("获得了焦点");
- }
- void textBox1_Leave(object sender,EventArgs e)
- {
- MessageBox.Show("失去了焦点");
- }