Method that in visual basic does not take parameters as it is done in C #

I'm doing the following code conversion from vb .net to c #

Thread hilo = new Thread(AddressOf ConcatenarArchivosHilos);
            hilos.Add(hilo);

where ConcatenarArchivosHilos has a parameter of an integer array

Private Sub ConcatenarArchivosHilos(ByVal indices() As Integer)
   'el resto del codigo
End Sub

when converting to c # convert it ( link )

Thread hilo = new Thread(ConcatenarArchivosHilos);

private void ConcatenarArchivosHilos(int[] indices)
 {
       //El resto de codigo
 }

in c # it would be normal for ConcatenarArchivosHilos to indicate an array of indices like this

 Thread hilo = Tread(concatenarArchivosHilos(Arrayindices))

but as you explain it comes from VB.net code where that portion of NO code has the parameter of the ConcatenateArchivosHilos method, can someone explain why?

Update

threads [linenumber] .Start (indexesAProcess); in this one taking the parameters to start threads.

The error that comes up at design time is can not convert from 'method group' to 'ThreadStart'