DISK_EXTENT structure (winioctl.h)
Represents a disk extent.
Syntax
typedef struct _DISK_EXTENT {
DWORD DiskNumber;
LARGE_INTEGER StartingOffset;
LARGE_INTEGER ExtentLength;
} DISK_EXTENT, *PDISK_EXTENT;
Members
DiskNumber
The number of the disk that contains this extent.
This is the same number that is used to construct the name of the disk, for example, the X in "\\?\PhysicalDriveX" or "\\?\\HarddiskX".
StartingOffset
The offset from the beginning of the disk to the extent, in bytes.
ExtentLength
The number of bytes in this extent.
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
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