C# 获取打印机和串口

/// <summary>
/// 获取本地已安装的打印机
/// </summary>
/// <returns></returns>
public string GetPrinter()
{
string strList = "";
System.Drawing.Printing.PrinterSettings.StringCollection PrinterList = System.Drawing.Printing.PrinterSettings.InstalledPrinters;
foreach (var item in PrinterList)
{
strList += item + ",";
}
return strList;
}

/// <summary>
/// 获取默认打印机
/// </summary>
/// <returns></returns>
public string GetDefault()
{
System.Drawing.Printing.PrintDocument p = new System.Drawing.Printing.PrintDocument();
return p.DefaultPageSettings.PrinterSettings.PrinterName;
}

/// <summary>
/// 获取可用的端口
/// </summary>
/// <returns></returns>
public static List<string> GetComList()
{
List<string> ComList = new List<string>();
Microsoft.VisualBasic.Devices.Computer pc = new Microsoft.VisualBasic.Devices.Computer();
foreach (string s in pc.Ports.SerialPortNames)
{
ComList.Add(s);
}
return ComList;
}