直接上例子：

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

如果不用匿名委托，那就像下面这样：

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;                }        }