多线程处理

System.Threading.ThreadStart trdStart;
                System.Threading.Thread trdThread;
                strSort = this.cbSort.Text.ToString();
                trdStart = new System.Threading.ThreadStart(this.ConvertExcel);
                trdThread = new System.Threading.Thread(trdStart);
                frmWaiting frmLog = new frmWaiting();
                frmLog.Thread = trdThread;
                frmLog.Prompt = "正在生成报表，请稍候......";
                frmLog.ShowDialog(this);
                frmLog.Dispose();
                MessageBox.Show("生成成功!请在 " + this.txtAim.Text + " 处查阅");