Public Delegate Sub AdvanceEventHandler( _
   ByVal sender As Object, _
   ByVal e As AdvanceEventArgs _
) 

Dim instance As New AdvanceEventHandler(AddressOf HandlerMethod)

public delegate void AdvanceEventHandler( 
   object sender,
   AdvanceEventArgs e
)

fpSpread1.Advance += new FarPoint.Win.Spread.AdvanceEventHandler(fpSpread1Advance);

private void fpSpread1Advance(object sender, FarPoint.Win.Spread.AdvanceEventArgs e)
{

}

Dim eh As FarPoint.Win.Spread.AdvanceEventHandler = AddressOf FpSpread1Advance
AddHandler FpSpread1.ActiveSheetChanging, eh

Private Sub FpSpread1ActiveSheetChanging(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.AdvanceEventArgs) Handles
FpSpread1.Advance

End Sub