private void Add()

        {

            for (int i = ; i < ; i++)

            {

                Button button = new Button();

                button.Width = ;

                button.Height = ;

                panel1.Controls.Add(button);

                Application.DoEvents();//此处用的话会导致问题

            }

        }

        private void button1_Click(object sender, EventArgs e)

        {

            Add();

        }

        int errorCount = ;

        private void timer1_Tick(object sender, EventArgs e)

        {

            panel1.Controls.Clear();

            Add();

        }