private void button1_Click(object sender, EventArgs e) { //use rent no double the rent MonopolyDealServiceReference.PropertyCardSet selectedSet = listBoxSet.SelectedItem as MonopolyDealServiceReference.PropertyCardSet; MonopolyDealServiceReference.Card doubleTheRentCard = null; int doubleTheRentCardID = -1; if (doubleTheRentCard != null) { doubleTheRentCardID = doubleTheRentCard.cardID; } bool usingDoubleTheRent = false; bool isWildRentCard = true; if (RentCard is MonopolyDealServiceReference.RentStandard) { isWildRentCard = false; } request.useRentCard(RentCard.cardID, selectedSet.guid, usingDoubleTheRent, doubleTheRentCardID, isWildRentCard, targetedPlayer); }