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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| No
| Win32s
| No
| Import Library
| -
| Header File
| winspool.h
| Unicode
| WinNT
| Platform Notes
| None
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PRINTER_INFO_4
The PRINTER_INFO_4 structure specifies general printer information.
The structure can be used to retrieve minimal printer information on a call to EnumPrinters. Such a call is a fast and easy way to retrieve the names and attributes of
all locally installed printers on a system and all remote printer connections
that a user has established.
typedef struct _PRINTER_INFO_4 { // pri4
LPTSTR pPrinterName;
LPTSTR pServerName;
DWORD Attributes;
} PRINTER_INFO_4;
Members
pPrinterName
Points to a null-terminated string that specifies the name of the printer
(local or remote).
pServerName
Points to a null-terminated string that is the name of the server.
Attributes
Specifies information about the returned data.
Value
| Meaning
| PRINTER_ATTRIBUTE_LOCAL
| The printer is a local printer.
| PRINTER_ATTRIBUTE_NETWORK
| The printer is a remote printer.
|
Remarks
The PRINTER_INFO_4 structure provides an easy and extremely fast way to retrieve the names of
the printers installed on a local machine, as well as the remote connections that
a user has established. When EnumPrinters is called with a PRINTER_INFO_4 data structure, that function queries the registry for the specified
information, then returns immediately. This differs from the behavior of EnumPrinters when called with other levels of PRINTER_INFO_xxx data structures. In particular, when EnumPrinters is called with a level 2 (PRINTER_INFO_2) data structure, it performs an OpenPrinter call on each remote connection. If a remote connection is down, if the remote
server no longer exists, or if the remote printer no longer exists, the
function must wait for RPC to time out and consequently fail the OpenPrinter call. This can take a while. Passing a PRINTER_INFO_4 structure lets an application retrieve a bare minimium of required
information; if more detailed information is desired, a subsequent EnumPrinter level 2 call can be made.
See Also
GetPrinter, EnumPrinters, OpenPrinter, PRINTER_INFO_1, PRINTER_INFO_2, PRINTER_INFO_3
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