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ScheduleJob function

The ScheduleJob function requests that the print spooler schedule a specified print job for printing.

Syntax


BOOL ScheduleJob(
  _In_  HANDLE hPrinter,
  _In_  DWORD dwJobID
);

Parameters

hPrinter [in]

A handle to the printer for the print job. This must be a local printer that is configured as a spooled printer. If hPrinter is a handle to a remote printer connection, or if the printer is configured for direct printing, the ScheduleJob function fails. Use the OpenPrinter or AddPrinter function to retrieve a printer handle.

hPrinter must be the same printer handle specified in the call to AddJob that obtained the dwJobID print job identifier.

dwJobID [in]

The print job to be scheduled. You obtain this print job identifier by calling the AddJob function.

Return value

If the function succeeds, the return value is a nonzero value.

If the function fails, the return value is zero.

Remarks

Note  This is a blocking or synchronous function and might not return immediately. How quickly this function returns depends on run-time factors such as network status, print server configuration, and printer driver implementation—factors that are difficult to predict when writing an application. Calling this function from a thread that manages interaction with the user interface could make the application appear to be unresponsive.

You must successfully call the AddJob function before calling the ScheduleJob function. AddJob obtains the print job identifier that you pass to ScheduleJob as dwJobID. Both calls must use the same value for hPrinter.

The ScheduleJob function checks for a valid spool file. If there is an invalid spool file, or if it is empty, ScheduleJob deletes both the spool file and the corresponding print job entry in the print spooler.

Requirements

Minimum supported client

Windows 2000 Professional [desktop apps only]

Minimum supported server

Windows 2000 Server [desktop apps only]

Header

Winspool.h (include Windows.h)

Library

Winspool.lib

DLL

Spoolss.dll

See also

Printing
Print Spooler API Functions
AddJob
OpenPrinter

 

 

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