The following table shows the copy external IOCTLs.
| Programming element | Description |
|---|---|
| FSCTL_COPY_EXTERNAL_COMPLETE | This IOCTL is called by a user application to notify the OS that the transfer is complete. |
| FSCTL_COPY_EXTERNAL_START | This IOCTL is called by a user application to copy from or to an external device. |
| IOCTL_DISK_COPY_EXTERNAL_COMPLETE | This IOCTL is called by the file system and informs the block driver that the transfer is complete. |
| IOCTL_DISK_COPY_EXTERNAL_START | This IOCTL is called by the file system and informs the block driver which sectors correspond to a file. This allows data to be read from or written to a file directly on an external device. |
See Also
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