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C#枚举
using System; namespace EnumApplication { class EnumProgram { enum Days { Sun, Mon, tue, Wed, thu, Fri, Sat };
C#类与结构
using System; struct Books { private string title; private string author; private string subject; private int book_id;
C#定义结构
using System; struct Books { public string title; public string author; public string subject; public int book_id;
C#属性访问器
using System; namespace yiibai { class Student { private string code = "N.A"; private string name = "not known";
C#反射DeBugInfo
using System; using System.Reflection; namespace BugFixApplication { //a custom attribute BugFix to be //assigned to a class and its members
C#属性已过时
using System; public class MyClass { [Obsolete("Don't use OldMethod, use NewMethod instead", true)]
C#属性条件
#define DEBUG using System; using System.Diagnostics; public class Myclass { [Conditional("DEBUG")]
C# I/O二进制文件
using System; using System.IO; namespace BinaryFileApplication { class Program { static void Main(string[] args) {
C# I/O文本文件
using System; using System.IO; namespace FileApplication { class Program { static void Main(string[] args) {
C#文件I/O
using System; using System.IO; namespace FileIOApplication { class Program { static void Main(string[] args) {
C#用户定义的异常
using System; namespace UserDefinedException { class TestTemperature { static void Main(string[] args) {
C#处理异常
using System; namespace ErrorHandlingApplication { class DivNumbers { int result; DivNumbers() { result = 0;
C#正则表达式示例3
using System; using System.Text.RegularExpressions; namespace RegExApplication { class Program { static void Main(string[] args) {
C#正则表达式示例2
using System; using System.Text.RegularExpressions; namespace RegExApplication { class Program { private static void showMatch(string text, string expr) {
C#正则表达式示例1
using System; using System.Text.RegularExpressions; namespace RegExApplication { class Program { private static void showMatch(string text, string expr) {
C#条件指令
#define DEBUG #define VC_V10 using System; public class TestClass { public static void Main() { #if (DEBUG && !VC_V10)