The DRIVER_INFO_1 structure identifies a printer driver.
typedef struct _DRIVER_INFO_1 { // dri1
LPTSTR pName;
} DRIVER_INFO_1;
Windows NT: Requires version 3.1 or later.
Windows: Requires Windows 95 or later.
Windows CE: Unsupported.
Header: Declared in winspool.h.
Unicode: Defined as Unicode and ANSI structures.
Printing and Print Spooler Overview, Printing and Print Spooler Structures, EnumPrinterDrivers