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IOCTL_DISK_SET_DRIVE_LAYOUT info  Overview  Group


The IOCTL_DISK_SET_DRIVE_LAYOUT DeviceIoControl operation partitions a disk as specified by drive layout and partition information data.

dwIoControlCode = IOCTL_DISK_SET_DRIVE_LAYOUT;   // operation code 

lpInBuffer;          // address of input buffer 

nInBufferSize;       // size of input buffer 

lpOutBuffer = NULL;  // address of output buffer; not used; must be NULL 

nOutBufferSize = 0;  // size of output buffer; not used; must be zero 

lpBytesReturned;     // address of actual bytes of output 

 

Parameters

lpInBuffer
Points to a buffer that contains drive layout and partition information data. The data exists as a DRIVE_LAYOUT_INFORMATION data structure and a series of PARTITION_INFORMATION data structures, one of the latter for each proposed partition on the drive.
nInBufferSize
Specifies the size, in bytes, of the buffer pointed to by lpInBuffer, which must be large enough to contain one DRIVE_LAYOUT_INFORMATION data structure and as many PARTITION_INFORMATION data structures as there are proposed partitions on the drive.
lpOutBuffer
Points to an output buffer. Not used with this operation. Set to NULL.
nOutBufferSize
Specifies the size, in bytes, of the buffer pointed to by lpOutBuffer. Not used with this operation. Set to zero.
lpBytesReturned
Points to a DWORD that receives the actual size, in bytes, of the data stored into lpOutBuffer.

Return Values

If the operation succeeds, DeviceIoControl returns a nonzero value.

If the operation fails, DeviceIoControl returns zero. To get extended error information, call GetLastError.

Remarks

This device I/O control operation is for disk devices. Floppy disk drivers, however, need not handle this operation.

See Also

DeviceIoControl, DRIVE_LAYOUT_INFORMATION, IOCTL_DISK_GET_DRIVE_LAYOUT, PARTITION_INFORMATION 

See also:


file: /Techref/os/win/api/win32/func/src/f51_1.htm, 3KB, , updated: 2000/4/7 12:19, local time: 2014/10/22 02:35,
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