Winform中子线程访问界面控件时被阻塞解决方案

public partial class WebData_Import : Form

    {

        //声明用于访问主界面的委托类型

        public delegate void deleGetOrderdata(string info);

        //声明访问主界面委托类型的变量

        public deleGetOrderdata OptGetOrderData;

        int CompanyID = ;

        public WebData_Import()

        {

            InitializeComponent();

            cmbCompany.Items.Insert(, "公司001");

            cmbCompany.Items.Insert(, "公司002");

            cmbCompany.SelectedIndex = ;

            //实例化委托

            OptGetOrderData = new deleGetOrderdata(ShowOperationInfo);

        }

        private void button1_Click(object sender, EventArgs e)

        {

            txtOperationInfo.Text = "";

            switch (cmbCompany.SelectedIndex)

            {

                case :

                    CompanyID = ;

                    break;

                case :

                    CompanyID = ;

                    break;

            }

            //执行获取订单数据线程

            Thread GetOrderDataThread = new Thread(new ThreadStart(ExecuteGetOrderData));

            GetOrderDataThread.Start();

        }

        /// <summary>

        /// 访问主界面的方法

        /// </summary>

        /// <param name="ShowInfo"></param>

        private void ShowOperationInfo(string ShowInfo)

        {

            txtOperationInfo.Text += ShowInfo + "\r\n";

        }

        private void ExecuteGetOrderData()

        {

            DataTable GetOrderData = new DataTable();

            //使用BeginInvoke从子线程访问主界面，传入访问主界面的方法和参数

            this.BeginInvoke(OptGetOrderData, "1、导入数据操作开始");

            this.BeginInvoke(OptGetOrderData, "\r\n2、正在获取数据，请稍后...");

            try

            {

                GetOrderData = GetOrderTable(CompanyID, Convert.ToDateTime(Sdate.Text), Convert.ToDateTime(Edate.Text));

                if (GetOrderData == null)

                {

                    throw new Exception("没有从远程服务获取到任何数据");

                }

                this.BeginInvoke(OptGetOrderData, "\r\n3、已获取" + GetOrderData.Rows.Count + "条数据，正在执行往数据库插入操作...");

                SQLDBHELPER help = new SQLDBHELPER();

                int InsertCount = help.SqlInsertBuilder(GetOrderData);

                this.BeginInvoke(OptGetOrderData, "\r\n4、成功插入" + InsertCount + "条数据,正在执行存储过程请稍后...");

                string ErrorMessage = help.exectrans();

                if (string.IsNullOrEmpty(ErrorMessage.Trim()))

                {

                    this.BeginInvoke(OptGetOrderData,"\r\n5、存储过程执行成功，所有操作均已成功执行完毕！");

                }

                else

                {

                    this.BeginInvoke(OptGetOrderData, "\r\n5、存储过程执行失败！失败原因：" + ErrorMessage);

                }

            }

            catch (Exception ex)

            {

                this.BeginInvoke(OptGetOrderData, "\r\n系统执行异常，异常原因：" + ex.Message);

            }

        }

    }