private void btnClear_Click(object sender, EventArgs e)
{
DialogResult dr = MessageBox.Show("是否清零？", "清零", MessageBoxButtons.OKCancel,
MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2);
if (dr == DialogResult.OK)
{
ResultInfo.ClearResult();
DisplayResultStatistics(0, 0);
txtLabelImei.Text = string.Empty;
txtSn.Text = string.Empty;
txtImei.Text = string.Empty;
txtEid.Text = string.Empty;
txtIccid.Text = string.Empty;
txtUart.BackColor = Color.White;
txtUart.Text = string.Empty;
txtLog.BackColor = Color.White;
txtLog.Text = string.Empty;
//txtLog.Text = "正在检测模块上电，请插入模块...\r\n";
lblStopWatch.Text = "00:00:00:000";
}
}