The IOCTL_DISK_SET_PARTITION_INFO DeviceIoControl operation sets the partition type of the specified disk partition.
dwIoControlCode = IOCTL_DISK_SET_PARTITION_INFO; // 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
If the operation succeeds, DeviceIoControl returns a nonzero value.
If the operation fails, DeviceIoControl returns zero. To get extended error information, call GetLastError.
This device I/O control operation is for disk devices. Floppy disk drivers, however, need not handle this operation.
DeviceIoControl, IOCTL_DISK_GET_PARTITION_INFO, SET_PARTITION_INFORMATION
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