Public Delegate Sub LeaveCellEventHandler( _
   ByVal sender As Object, _
   ByVal e As LeaveCellEventArgs _
) 

Dim instance As New LeaveCellEventHandler(AddressOf HandlerMethod)

public delegate void LeaveCellEventHandler( 
   object sender,
   LeaveCellEventArgs e
)

fpSpread1.LeaveCell += new FarPoint.Win.Spread.LeaveCellEventHandler(fpSpread1LeaveCell);

private void fpSpread1LeaveCell(object sender, FarPoint.Win.Spread.LeaveCellEventArgs e)
{

}

Dim eh As FarPoint.Win.Spread.LeaveCellEventHandler = AddressOf FpSpread1LeaveCell
AddHandler FpSpread1.LeaveCell, eh

Private Sub FpSpread1LeaveCell(ByVal sender As Object, ByVal e As FarPoint.Win.Spread.LeaveCellEventArgs) Handles FpSpread1.LeaveCell

End Sub