event.numDeleted

Overview

The number of characters which were deleted.

Gotchas

This property is only available during the "editing" phase of userInput events.

Example

local defaultField

local function textListener( event )
    if ( event.phase == "editing" ) then
        print( event.numDeleted )
    end
end

defaultField = native.newTextField( 150, 150, 180, 30 )
defaultField:addEventListener( "userInput", textListener )