如何检测网络上的打印机状态,如缺纸、缺墨、正在打印、以及获取打印机任务列表的??
System.Printing只能检测本地的打印机,检测网络的总是抛异常:Win32错误...卷标错误什么的,如何解决??
System.Drawing.Printing能获取打印机属性,但是获取不到任务列表和状态
不建议用WMI,太慢了,有什么第三方控件没??或者别的方法??
先谢谢了,急~~~~~~~~~
System.Printing只能检测本地的打印机,检测网络的总是抛异常:Win32错误...卷标错误什么的,如何解决??
System.Drawing.Printing能获取打印机属性,但是获取不到任务列表和状态
不建议用WMI,太慢了,有什么第三方控件没??或者别的方法??
先谢谢了,急~~~~~~~~~
http://www.xueit.com/html/2010-01-06/21-593412692703.html
给你俩参考 我也是从Google搜的
[return: MarshalAs(UnmanagedType.Bool)]
private static extern bool EnumPrinters ([MarshalAs(UnmanagedType.U4)] PRINTER_ENUM flags,
[MarshalAs(UnmanagedType.LPStr)] string sName,
uint iLevel,
IntPtr pPrinterDesc,
uint iSize,
[MarshalAs(UnmanagedType.U4)] ref uint iNeeded,
[MarshalAs(UnmanagedType.U4)] ref uint iReturned
);
System.Management.ManagementClass mc =new ManagementClass("Win32_Printer")
System.Management.ManagementObjectCollection mocs = mc.GetInstances();
foreach(ManagementObject mo in mocs)
{ }