/// <summary>
 /// 添加文本内容
 /// </summary>
 /// <param name="content"></param>
 private void AddContent(string content)
 {
     this.BeginInvoke(new MethodInvoker(delegate
     {
         if (DR_AutoLine_chB.Checked && DR_textBox.Text.Length > 0)
         {
             DR_textBox.AppendText("\r\n");
         }
         DR_textBox.AppendText(content);
     }));
 }
 private void MS_Clear_Click(object sender, EventArgs e)
 {
     DR_textBox.Clear();
 }