[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] | Reference for unit 'Classes' (#rtl)

# TBits.FindPrevBit

Searches the previous bit with a particular value.

## Declaration

Source position: classesh.inc line 417

`public function TBits.FindPrevBit: LongInt;`

## Description

FindPrevBit resumes a previously started search. It searches for the previous bit with the value specified in the FindFirstBit. The search is done towards the beginning of the array and starts at the position last reported by one of the Find calls or at the position set with SetIndex.

If another bit with the same value is found, its position is returned. If no more bits with the same value are present in the array, -1 is returned.

## Errors

None.

## See also

FindFirstBit |  | Find first bit with a particular value
FindNextBit |  | Searches the next bit with a particular value.
OpenBit |  | Returns the position of the first bit that is set to False.
SetIndex |  | Sets the start position for FindNextBit and FindPrevBit

Documentation generated on: May 14 2021