![]() ![]() ![]() | playing-card/playing-card-to-string/PlayingCard.cs - The struct Card that implements IFormattable. | Lecture 8 - slide 17 : 37 Program 2 |
using System; public enum CardSuite:byte {Spades, Hearts, Clubs, Diamonds }; public enum CardValue: byte {Ace = 1, Two = 2, Three = 3, Four = 4, Five = 5, Six = 6, Seven = 7, Eight = 8, Nine = 9, Ten = 10, Jack = 11, Queen = 12, King = 13}; public struct Card: IFormattable{ private CardSuite suite; private CardValue value; public Card(CardSuite suite, CardValue value){ this.suite = suite; this.value = value; } // Card methods and properties here... public System.Drawing.Color Color (){ System.Drawing.Color result; if (suite == CardSuite.Spades || suite == CardSuite.Clubs) result = System.Drawing.Color.Black; else result = System.Drawing.Color.Red; return result; } public override String ToString(){ return this.ToString(null, null); } public String ToString(string format, IFormatProvider fp){ if (format == null || format == "G" || format == "L") return String.Format("Card Suite: {0}, Value: {1}, Color: {2}", suite, value, Color().ToString()); else if (format == "S") return String.Format("Card {0}: {1}", suite, (int)value); else if (format == "V") return String.Format("Card value: {0}", value); else throw new FormatException( String.Format("Invalid format: {0}", format)); } }