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Overview |
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Group |
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Quick Info
Windows NT
| Yes
| Win95
| No
| Win32s
| No
| Import Library
| -
| Header File
| winioctl.h
| Unicode
| No
| Platform Notes
| None
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PARTITION_INFORMATION
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.
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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
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