| Parameter | Description |
|---|---|
| pos | Position in the bit field of the first bit to get (must be 0-63). |
| numBits | Number of bits to get (must be 1-64). |
ulong The requested range of bits from the bit field stored in the least-significant bits of a ulong. All other bits of the ulong will be 0.
Returns one or more contiguous bits from the bit field as the lower bits of a ulong.