帮助注释一下吧,大牛们,谢谢了.

Question

public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }
        private DateTimePicker timepicker;
        private void dateTimePicker1_ValueChanged(object sender, EventArgs e)
        {
            timepicker = new DateTimePicker();
            timepicker.Format = DateTimePickerFormat.Time;
            timepicker.ShowUpDown = true;
            timepicker.Location = new Point(10,10);
            timepicker.Width = 100;
            Controls.Add(timepicker);
        }
        static void main()
        {
            Application.EnableVisualStyles();
            Application.Run(new Form1());        }
object

Answer 1

这个好奇怪啊。
应该把
timepicker = new DateTimePicker();
            timepicker.Format = DateTimePickerFormat.Time;
            timepicker.ShowUpDown = true;
            timepicker.Location = new Point(10,10);
            timepicker.Width = 100;
            Controls.Add(timepicker);放到InitializeComponent下面把。