模拟静态类

我有一个静态类,它包装了winspool中的一些本机方法:

public static class WinSpool
{
     [DllImport("winspool.drv")]
     public static extern int OpenPrinter(string pPrinterName, out IntPtr phPrinter, IntPtr pDefault);
     ...
     //some more methods here
}