STORAGE_DESCRIPTOR_HEADER structure (winioctl.h)

Used in conjunction with the IOCTL_STORAGE_QUERY_PROPERTY control code to retrieve the properties of a storage device or adapter.

Syntax

typedef struct _STORAGE_DESCRIPTOR_HEADER {
  DWORD Version;
  DWORD Size;
} STORAGE_DESCRIPTOR_HEADER, *PSTORAGE_DESCRIPTOR_HEADER;

Version

Contains the size of this structure, in bytes. The value of this member will change as members are added to the structure.

Size

Specifies the total size of the data returned, in bytes. This may include data that follows this structure.

The data retrieved by IOCTL_STORAGE_QUERY_PROPERTY is reported in the buffer immediately following this structure.

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Header	winioctl.h (include Windows.h)