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PARTITION_INFORMATION info  Overview  Group

The PARTITION_INFORMATION structure provides information about a disk partition.

typedef struct _PARTITION_INFORMATION {

    LARGE_INTEGER StartingOffset;

    LARGE_INTEGER PartitionLength;

    DWORD HiddenSectors;

    DWORD PartitionNumber;

    BYTE  PartitionType;

    BOOLEAN BootIndicator;

    BOOLEAN RecognizedPartition;

    BOOLEAN RewritePartition;

} PARTITION_INFORMATION, *PPARTITION_INFORMATION;

 

Members

StartingOffset
Specifies the starting offset of the partition.
PartitionLength
Specifies the length of the partition.
HiddenSectors
Specifies the number of hidden sectors in the partition.
PartitionNumber
Specifies the number of the partition (1-based).

PartitionType

Specifies the type of partition. This member can be one of the following values: Value

Meaning

PARTITION_ENTRY_UNUSED

Entry unused.

PARTITION_FAT_12

Specifies a partition with 12-bit FAT entries.

PARTITION_XENIX_1

Specifies a Xenix type 1 partition.

PARTITION_XENIX_2

Specifies a Xenix type 2 partition.

PARTITION_FAT_16

Specifies a partition with 16-bit FAT entries.

PARTITION_EXTENDED

Specifies an extended partition entry.

PARTITION_HUGE

Specifies an MS-DOS V4 huge partition.

PARTITION_IFS

Specifies an IFS partition.

PARTITION_PREP

Specifies a PowerPC Reference Platform partition.

PARTITION_UNIX

Specifies a UNIX partition.

VALID_NTFT

Specifies an NTFT partition.

PARTITION_XINT13

Specifies a Windows 95 partition that uses extended int13 services.

PARTITION_XINT13_EXTENDED

Same as PARTITION_EXTENDED, but uses extended int13 services.

BootIndicator
Specifies whether the partition is bootable.
RecognizedPartition
Specifies whether the partition is recognized.
RewritePartition
Specifies whether the partition information has changed. When you change a partition (with IOCTL_DISK_SET_DRIVE_LAYOUT), the system uses this member to determine which partitions have changed and need their information rewritten.

Remarks

The DeviceIoControl function receives a PARTITION_INFORMATION structure in response to an IOCTL_DISK_GET_PARTITION_INFO or IOCTL_DISK_GET_DRIVE_LAYOUT device input and output control (IOCTL) operation. The DeviceIoControl function uses a PARTITION_INFORMATION structure as input to an IOCTL_DISK_SET_DRIVE_LAYOUT device IOCTL operation.

See Also

DeviceIoControl, IOCTL_DISK_GET_DRIVE_LAYOUT, IOCTL_DISK_GET_PARTITION_INFO, IOCTL_DISK_SET_DRIVE_LAYOUT

See also:


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