多線程操作控件屬性和方法

設定屬性和方法

private void button2_Click(object sender, EventArgs e)
        {
            timer.Stop();
            Thread thread = new Thread(() =>
            {
                //this.label1.Text = i.ToString();
                if (this.button1.InvokeRequired)
                {
                    this.button1.Invoke(new Action(() => this.button1.Enabled = true));
                }
                Thread.Sleep(300);
            });
            thread.IsBackground = true;
            thread.Start();
        }

        private void button3_Click(object sender, EventArgs e)
        {
            Thread thread = new Thread(() =>
            {
                if (this.richTextBox1.InvokeRequired)
                {
                    this.richTextBox1.Invoke(new Action(() => this.richTextBox1.Clear()));
                }
                Thread.Sleep(300);
            });
            thread.IsBackground = true;
            thread.Start();
        }