lVOILUTIndex

The index to the VOI LUT whose attributes are required. According to the DICOM standard, one or more items could exist under one "VOI LUT Sequence" (0028,3010). Use this index to specify which item to use in order to update the properties specified by the VOILUTAttributes property. The specified index must be a number from 0 to the count specified by the VOILUTCount property minus 1.