private void button1_Click(object sender, EventArgs e)
{
PrinterStatus status = WindowsPrinterHelper.GetPrinterStat();
this.txtLog.AppendText("\r\n获取打印机状态结果为：" + status.ToString());
if (status == PrinterStatus.其他状态)
{
string service = "Spooler";
//spool\PRINTERS
this.txtLog.AppendText("\r\n开始停止打印服务");
WindowServicesHelper.ForceStop(service);
this.txtLog.AppendText("\r\n成功停止打印服务，请等待4-5秒");
System.Threading.Thread.Sleep(3000);
this.txtLog.AppendText("\r\n开始删除打印缓存");
WindowsPrinterHelper.DeleteAllSpooler();
this.txtLog.AppendText("\r\n开始启动打印服务");
WindowServicesHelper.ForceStart(service);
this.txtLog.AppendText("\r\n成功启动打印服务");
this.txtLog.AppendText("\r\n成功复位打印机，请检查是否可用！");
}
}
