public static extern bool FindNextPrinterChangeNotification([InAttribute()] IntPtr hChangeObject, [OutAttribute()] out Int32 pdwChange, [InAttribute(), MarshalAs(UnmanagedType.LPStruct)] PRINTER_NOTIFY_OPTIONS pPrinterNotifyOptions, [OutAttribute()] out IntPtr lppPrinterNotifyInfo);
public static extern IntPtr FindFirstPrinterChangeNotification([InAttribute()] IntPtr hPrinter, [InAttribute()] Int32 fwFlags, [InAttribute()] Int32 fwOptions, [InAttribute(), MarshalAs(UnmanagedType.LPStruct)] PRINTER_NOTIFY_OPTIONS pPrinterNotifyOptions);