Spool file api

Most of the time, you would rather not have to grant your users access to a command line interface. However, to allow the users to view their spooled files, you had no other choice. Until now. They will never need access to a command line again! The biggest differences between this API and that command are:. Figure 1: The Program Output. In Figure 1, you can see what the output of this program will look like. The basic information I am returning in this sample program code available for download with this article , is:.

The Mechanics. For those of you who have just turned in, allow me to review. The first thing we want to do for any LIST API, such as the one we are using here, is to create a user space object to dump the returned list into. We do that using a two-step process. We first delete the user space, just in case it already exists, and then we create it.

Alternatively you could have cleared the user space, but my preference is to delete it and start fresh. The relevant code to accomplish these two steps looks like this:. To use this API, we have to pass it several input parameters that tell it what information we want it to return. Those parameters are:. The code we use to execute this API looks like this:. Comment Post Cancel. Tom There are only two hard things in Computer Science: cache invalidation, naming things and off-by-one errors.

Why is it that all of the instruments seeking intelligent life in the universe are pointed away from Earth? March 15, , AM. Started by our very own Tommy Holden and modified by jean-paul lamontre Make your required modifications and let us know if this works!!! PHP Code:. Attached Files New Text Document. All my answers were extracted from the "Big Dummy's Guide to the As" and I take no responsibility for any of them.

If you don't I will send off a letter to Angela Merkel! Yes I'm talking to you squirrel nuts. All rights reserved. The AddPrinterConnection function adds a connection to the specified printer for the current user. Adds a connection to the specified printer for the current user and specifies connection details. The DeletePrinter function deletes the specified printer object. The DeletePrinterData function deletes specified configuration data for a printer.

A printer's configuration data consists of a set of named and typed values. The DeletePrinterData function deletes one of these values, specified by its value name. The DeletePrinterDataEx function deletes a specified value from the configuration data for a printer. A printer's configuration data consists of a set of named and typed values stored in a hierarchy of registry keys.

The function deletes a specified value under a specified key. The DeletePrinterKey function deletes a specified key and all its subkeys for a specified printer. The EnumPrinterData function enumerates configuration data for a specified printer. The EnumPrinterDataEx function enumerates all value names and data for a specified printer and key. The EnumPrinterKey function enumerates the subkeys of a specified key for a specified printer.

The EnumPrinters function enumerates available printers, print servers, domains, or print providers. The FlushPrinter function sends a buffer to the printer in order to clear it from a transient state. The GetDefaultPrinter function retrieves the printer name of the default printer for the current user on the local computer.

The GetPrinter function retrieves information about a specified printer. The GetPrinterData function retrieves configuration data for the specified printer or print server. The GetPrinterDataEx function retrieves configuration data for the specified printer or print server.

The ReadPrinter function retrieves data from the specified printer. The ResetPrinter function specifies the data type and device mode values to be used for printing documents submitted by the StartDocPrinter function. These values can be overridden by using the SetJob function after document printing has started. The SetDefaultPrinter function sets the printer name of the default printer for the current user on the local computer.

The SetPort function sets the status associated with a printer port. The SetPrinter function sets the data for a specified printer or sets the state of the specified printer by pausing printing, resuming printing, or clearing all print jobs. The SetPrinterData function sets the configuration data for a printer or print server.