C#匿名委托

     void updateUI()
        {
                if (dateTimePicker1.InvokeRequired)
                {
                    dateTimePicker1.Invoke((MethodInvoker)delegate
                    {
                        dateTimePicker1.Enabled = true;
                        dateTimePicker1.Checked = false;
                    });
                }
                else
                {
                    dateTimePicker1.Enabled = true;
                    dateTimePicker1.Checked = false;
                }         
        }

     delegate void update();
        void updateUI()
        {
                if (dateTimePicker1.InvokeRequired)
                {
                    dateTimePicker1.Invoke(new update(() =>
                    {
                        dateTimePicker1.Enabled = true;
                        dateTimePicker1.Checked = false;
                    }));
                }
                else
                {
                    dateTimePicker1.Enabled = true;
                    dateTimePicker1.Checked = false;
                }
        }