DISK_GROW_PARTITION structure (winioctl.h)

  • Article

Contains information used to increase the size of a partition.This structure is used by the IOCTL_DISK_GROW_PARTITION control code.

Syntax

typedef struct _DISK_GROW_PARTITION {
  DWORD         PartitionNumber;
  LARGE_INTEGER BytesToGrow;
} DISK_GROW_PARTITION, *PDISK_GROW_PARTITION;

Members

PartitionNumber

The identifier of the partition to be enlarged.

BytesToGrow

The number of bytes by which the partition is to be enlarged (positive value) or reduced (negative value). Note that this value is not the new size of the partition.

Requirements

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)

See also

IOCTL_DISK_GROW_PARTITION

LARGE_INTEGER