EnumPrinterDrivers

The EnumPrinterDrivers function enumerates all of the printer drivers installed on the specified printer server.

BOOL EnumPrinterDrivers(

LPTSTR pName,	// pointer to server name
LPTSTR pEnvironment,	// pointer to environment name
DWORD Level,	// structure level
LPBYTE pDriverInfo,	// pointer to an array of structures
DWORD cbBuf,	// size, in bytes, of array
LPDWORD pcbNeeded,	// pointer to number of bytes copied (or required)
LPDWORD pcReturned	// pointer to number of DRIVER_INFO. structures
);

Parameters

pName

Pointer to a null-terminated string that specifies the name of the server on which the printer drivers should be enumerated.

If pName is NULL, the function enumerates the local machine's printer drivers.

pEnvironment

Pointer to a null-terminated string that specifies the environment. For example, "Windows NT x86" specifies Windows NT running on an Intel 80386 or 80486 processor. If this parameter is NULL, the function uses the current environment of the caller/client (not of the destination/server).

Level

Specifies the type of structures pointed to by pDriverInfo. This value must be 1, 2, or 3.

pDriverInfo

Pointer to a buffer that receives an array of DRIVER_INFO_1, DRIVER_INFO_2, or DRIVER_INFO_3 structures. Each structure contains data that describes an available printer driver.

cbBuf

Specifies the size, in bytes, of the buffer pointed to by pDriverInfo.

pcbNeeded

Pointer to a value that the function sets to the size in bytes of the data that enumerates the printer drivers. If cbBuf is smaller than this value, EnumPrinterDrivers fails, and the variable pointed to by pcbNeeded represents the required buffer size. If cbBuf is equal to or greater than this value, the variable pointed to by pcbNeeded represents the number of bytes stored into the buffer.

pcReturned

Pointer to a value that specifies the number of structures that it stores into the buffer pointed to by pDriverInfo. This is the number of printer drivers installed on the specified print server.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

See Also

AddPrinterDriver, DRIVER_INFO_1, DRIVER_INFO_2, DRIVER_INFO_3, GetPrinterDriver

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