FLT_CTL_FIND_FIRST - NtDoc

#ifndef _NTIOAPI_H
// begin_rev

// IOCTLs for linked FltMgr handles; depend on previously used FLT_LINK_TYPE
//
// Find first/next:
//   FILTER                - enumerates nested instances; in: INSTANCE_INFORMATION_CLASS
//   FILTER_VOLUME         - enumerates nested instances; in: INSTANCE_INFORMATION_CLASS
//   FILTER_MANAGER        - enumerates all filters;      in: FILTER_INFORMATION_CLASS
//   FILTER_MANAGER_VOLUME - enumerates all volumes;      in: FILTER_VOLUME_INFORMATION_CLASS
//
// Get information:
//   FILTER                - queries filter;              in: FILTER_INFORMATION_CLASS
//   FILTER_INSTANCE       - queries instance;            in: INSTANCE_INFORMATION_CLASS
//
#define FLT_CTL_FIND_FIRST          CTL_CODE(FILE_DEVICE_DISK_FILE_SYSTEM, 9, METHOD_BUFFERED, FILE_READ_ACCESS)  // in: *_INFORMATION_CLASS, out: *_INFORMATION (from fltUserStructures.h)

// end_rev
#endif
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