http://www.divcss.org/Article/Jsp/c/200608/19135.htmlusing System; using System.Drawing; using System.Collections; using System.ComponentModel; using System.Windows.Forms; using System.Data; using System.Security.Cryptography; using System.IO;
關鍵字就是已被C語言本身使用,不能作其它用途使用的字。例如關鍵字不能用作變數名、函數名等 由ANSI標準定義的C語言關鍵字共32個: auto double int struct break else long switch case enum register typedef char extern return union const float short unsigned continue for signed void default goto sizeof
譯者:lostmouse很多程式員日常總是不理睬編譯器警告。畢竟,如果問題很嚴重,就會是個錯誤,不是嗎?這種想法在其它語言中相對來說沒什麼害處,但在C++中,可以肯定的一點是,編譯器的設計者肯定比你更清楚到底發生了什麼。例如,大家可能都犯過這個錯誤: 1: class B { 2: public: 3: virtual void f() const; 4: }; 5: 6: class D: public B { 7: public: 8:
先看例子: class Program { static void Main(string[] args) { string j="aa"; Console.WriteLine(j.TestMethod("Length"));//字串多了個擴充方法了 } } public static class Test { public static object
Some people have asked if they could take a look at the source for the WebCam Vista Sidebar gadget. After a little bit of cleaning up, I'm posting it now for you to take a look at. Here are some things worth mentioning:1. Uses the DirectShow.NET
using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;namespace Client{ public partial class Catch : Form { public Catch() {