C#获取本地打印机列表，并将指定打印机设置为默认打印机

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace Printers
{
/// <summary>
/// Interaction logic for Window1.xaml
/// </summary>
public partial class Window1 : Window
{
public Window1()
{
InitializeComponent();
InitprinterComboBox(); //初始化打印机下拉列表选项
}
private void InitprinterComboBox()
{
List<String> list = LocalPrinter.GetLocalPrinters(); //获得系统中的打印机列表
foreach (String s in list)
{
printerComboBox.Items.Add(s); //将打印机名称添加到下拉框中
}
}

private void printButton_Click(object sender, RoutedEventArgs e)
{
if (printerComboBox.SelectedItem != null) //判断是否有选中值
{
if (Externs.SetDefaultPrinter(printerComboBox.SelectedItem.ToString())) //设置默认打印机
{
MessageBox.Show(printerComboBox.SelectedItem.ToString() + "设置为默认打印机成功！");
}
else
{
MessageBox.Show(printerComboBox.SelectedItem.ToString() + "设置为默认打印机失败！");
}
}
}
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing.Printing;
using System.Runtime.InteropServices;

namespace Printers
{
class LocalPrinter
{
private static PrintDocument fPrintDocument = new PrintDocument();
//获取本机默认打印机名称
public static String DefaultPrinter()
{
return fPrintDocument.PrinterSettings.PrinterName;
}
public static List<String> GetLocalPrinters()
{
List<String> fPrinters = new List<String>();
fPrinters.Add(DefaultPrinter()); //默认打印机始终出现在列表的第一项
foreach (String fPrinterName in PrinterSettings.InstalledPrinters)
{
if (!fPrinters.Contains(fPrinterName))
{
fPrinters.Add(fPrinterName);
}
}
return fPrinters;
}
}
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;

namespace Printers
{
class Externs
{
[DllImport("winspool.drv")]
public static extern bool SetDefaultPrinter(String Name); //调用win api将指定名称的打印机设置为默认打印机
}
}