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

# TBits.SetOn

Turn a particular bit on.

## Declaration

`public procedure TBits.SetOn(`
`Bit: LongInt`
`);`

## Description

SetOn turns on the bit at position bit, i.e. sets it to 1. If bit is at a position bigger than the current size, the collection is expanded to the required size using Grow.

## Errors

If bit is larger than the maximum allowed bits array size or is negative, an EBitsError exception is raised.

## See also

TBits.Bits |  | Access to all bits in the array.
TBits.clear |  | Clears a particular bit.