The example stores the bookmark of the current record using the CurrentRecord property.
Option Explicit
Option Base 1
Private mRecords(10) As Variant ' Array for bookmarks.
' We only store last 10.
Private Sub DataRepeater1_CurrentRecordChanged()
If intC = 10 Then intC = 1
mRecords(intC) = DataRepeater1.CurrentRecord
intC = intC + 1
End Sub