iIndex
The index into the array of boolean values. Use the following constants as possible values:
Index Resolution
PCDRES_BASE_OVER_64 64 x 96
PCDRES_BASE_OVER_16 128 x 192
PCDRES_BASE_OVER_4 256 x 384
PCDRES_BASE 512 x 768
PCDRES_4BASE 1024 x 1536
PCDRES_16BASE 2048 x 3072