www.pudn.com > WDM_CharSample.rar > CharSampleioctl.h

// CharSampleioctl.h 
// 
// Define control codes for CharSample driver 
// 
 
#ifndef __CharSampleioctl__h_ 
#define __CharSampleioctl__h_ 
 
#define CHARSAMPLE_IOCTL_800 CTL_CODE(FILE_DEVICE_UNKNOWN, 0x800, METHOD_BUFFERED, FILE_ANY_ACCESS) 
#endif