xiacy

摘要： Action<string> printReverse = delegate(string text) { char[] chars = text.ToCharArray(); Array.Reverse(chars); Console.WriteLine(new string(chars)); }; Action<int> printRoot = delegate(int number) { ... 阅读全文

摘要： delegate void SampleDelegate(string x); public class SinPpet { public void CandidateAction(string x) { Console.WriteLine("Snippet.CandidateAction"); } } public class Derived : SinPpet { public void CandidateAction(object o) { ... 阅读全文

摘要： delegate Stream StreamFactory(); static MemoryStream GenerateSampleData() { byte[] buffer = new byte[16]; for (int i = 0; i < buffer.Length; i++) { buffer[i] = (byte)i; } return new MemoryStream(buffer); ... 阅读全文

摘要： static void LogPlainEvent(object sender, EventArgs e) { Console.WriteLine("LogPlain"); } static void LogKeyEvent(object sender, KeyPressEventArgs e) { Console.WriteLine("LogKey"); } static void LogMouseEvent(object sender, MouseEventArg... 阅读全文

摘要： static void LogPlainEvent(object sender, EventArgs e) { Console.WriteLine("LogPlain"); } static void LogKeyEvent(object sender, KeyPressEventArgs e) { Console.WriteLine("LogKey"); } static void LogMouseEvent(object sender, Mouse... 阅读全文

摘要： class Person { DateTime birth; DateTime? death; string name; public TimeSpan Age { get { if (death.HasValue) return death.Value - birth; else return DateTime.Now - birth... 阅读全文

摘要： static void Display(Nullable<int> x) { Console.WriteLine("HasValue：{0}", x.HasValue); if (x.HasValue) { Console.WriteLine("Value：{0}", x.Value); Console.WriteLine("Explicit conversion：{0}", (int)x); } ... 阅读全文

摘要： class CountingEnumerable : IEnumerable<int> { #region IEnumerable<int> 成员 public IEnumerator<int> GetEnumerator() { return new CountingEnumerator(); } #endregion #region IEnumerable 成员 IEnumerator IEnumerable.GetEnumerator() {... 阅读全文

摘要： class Other<T> { public class Inner<U, V> { static Inner() { Console.WriteLine("Other<{0}>.Inner<{1},{2}>", typeof(T).Name, typeof(U).Name, typeof(V).Name); } public static void DummyMethod() { } } } class P... 阅读全文

摘要： class TypeWithField<T> { public static string field; public static void PrintField() { Console.WriteLine(field + "：" + typeof(T).Name); } } class Program { static void Main(string[] args) { TypeWithField<int>.field = "fi... 阅读全文

摘要： static bool AreReferencesEqual<T>(T first, T second) where T:class { return first == second; } static void Main(string[] args) { string name = "Jon"; string intro1 = "My name is :" + name; string intro2 = "My name is :" + name; ... 阅读全文

摘要： static int ComparaeToDefaults<T>(T value) where T : IComparable<T> { return value.CompareTo(default(T)); } static void Main(string[] args) { Console.WriteLine(ComparaeToDefaults("x")); Console.WriteLine(ComparaeToDefaults("")); ... 阅读全文

摘要： static List<T> MakeList<T>(T first, T second) { List<T> list = new List<T>(); list.Add(first); list.Add(second); return list; } static void Main(string[] args) { List<string> list = MakeList<string>("Line 1", "Line 2... 阅读全文

摘要： static double TakeSqrt(int x) { return Math.Sqrt(x); } static void Main(string[] args) { List<int> integers = new List<int>(); integers.Add(1); integers.Add(2); integers.Add(3); integers.Add(4); ... 阅读全文

摘要： static Dictionary<string, int> CountWords(string text) { Dictionary<string, int> frequencies; frequencies = new Dictionary<string, int>(); string[] words = Regex.Split(text, @"\W+"); foreach (string word in words) { ... 阅读全文