www.pudn.com > 18900_netwall_lite.rar > logprintcomm.h

 
///////////////////////////////////////////////////////////////////////////// 
//	LogPrint device interface GUID 
 
// {ED6026A8-6813-11d2-AE83-00C0DFE8C1F8} 
DEFINE_GUID(LOGPRINT_GUID, 0xed6026a8, 0x6813, 0x11d2, 0xae, 0x83, 0x0, 0xc0, 0xdf, 0xe8, 0xc1, 0xf8); 
 
// 
// Define the various device type values.  Note that values used by Microsoft 
// Corporation are in the range 0-32767, and 32768-65535 are reserved for use 
// by customers. 
// 
#define FILE_DEVICE_LOGPRINT      0x00008600 
 
// 
// Version # 
// 
#define LOGPRINT_VERSION    0x01000000 
// 
// Commands that the GUI can send the device driver 
// 
#define IOCTL_LOGPRINT_GET_VERSION   (ULONG) CTL_CODE(FILE_DEVICE_LOGPRINT, 0x00, METHOD_BUFFERED, FILE_ANY_ACCESS)