Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

C#ÃæÊÔ±ÊÊÔСÌùÊ¿ 2

¶ÔÓÚ¶à̬£¬»¹±ØÐèÌáÒ»¸öC#ÖеĹؼü×Ö£ºnew¡£Ç°ÃæÌáµ½£¬¶ÔÓÚvirtual·½·¨£¬JIT»áÈ·¶¨ÊµÀýµÄʵ¼ÊÀàÐÍÈ»ºó¾ö¶¨µ÷ÓÃʲô·½·¨¡£µ«ÊÇÈç¹ûÅÉÉúÀàÖÐnew¹Ø¼ü×ÖÐÞÊη½·¨£¬ÔòËüÏòCLR³ÎÇå´ËÅÉÉúÀàÖеķ½·¨Óë»ùÀàÖеķ½·¨ºÁÎÞ¹ØÏµ£¬ÒÔÏ´úÂë×îÖÕµ÷ÓÃÊÇ»ùÀàµÄintroduce·½·¨£º
Code
class Program
{
    static void Main(string[] args)
     {
         Sample1.M1(new OrdinaryPeople("ZhangSan"));
         Sample1.M1(new Superman("Hancock"));
         Console.Read();
     }
}
class Sample1
{
    public static void M1(Person p)
     {
         p.Introdce();
     }
}
class Person
{
    protected string mName;
    public Person(string pName)
     {
        this.mName = pName;
     }
    public virtual void Introdce()
     {
         Console.WriteLine("Hello,I am " + this.mName);
     }
}
class OrdinaryPeople : Person
{
    public OrdinaryPeople(string pName)
         : base(pName)
     {
     }
    public new void Introdce()
     {
         Console.WriteLine("Hello,I am an ordinary person," + this.mName);
     }
}
class Superman : Person
{
    public Superman(string pName)
         : base(pName)
     {
     }
    public new void Introdce()
   &


Ïà¹ØÎĵµ£º

C#ÓïÑԹ淶

1. ÃüÃû¹æ·¶
a)    Àà
¡¾¹æÔò1-1¡¿Ê¹ÓÃPascal¹æÔòÃüÃûÀàÃû£¬¼´Ê××ÖĸҪ´óд¡£
¡¾¹æÔò1-2¡¿Ê¹ÓÃÄܹ»·´Ó³À๦ÄܵÄÃû´Ê»òÃû´Ê¶ÌÓïÃüÃûÀà¡£
¡¾¹æÔò1-3¡¿²»ÒªÊ¹ÓÓI”¡¢“C”¡¢“_”µÈÌØ¶¨º¬Òåǰ׺¡£
¡¾¹æÔò1-4¡¿×Ô¶¨ÒåÒì³£ÀàÓ¦ÒÔException½áβ¡£
¡¾¹æÔò1-5¡¿ÎļþÃûÒªÄÜ·´Ó ......

C#ɨÃè¼ÆËã»ú¶Ë¿Ú

using System;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Net.Sockets;
using System.Threading;
namespace PortScanner
{
class Program
{
¡¡//ÒÑɨÃè¶Ë¿ÚÊýÄ¿
¡¡internal static int scannedCount = 0;
¡¡//ÕýÔÚÔËÐеÄÏß³ÌÊýÄ¿
¡¡internal static int ru ......

C# µ÷Óà c++ dll µÄһЩÎÊÌâ×ܽá

1.c++µÄµ½´¦º¯ÊýÖ»ÒªÔÚº¯ÊýÉêÃ÷µÄʱºò¼Ó¸öµ¼³ö¹Ø¼ü×־ͿÉÒÔÁË
2.²ÎÊýÀàÐÍÎÊÌâ,
Ò»°ãµÄc++ÖÐchar * ¶ÔÓ¦ c#ÖеÄstring
¶øc++ÖÐ char **ÀàÐ͵IJÎÊý¶ÔÓ¦c#ÖÐ ref string ÕâÖÖÒ»°ã¶¼ÊÇÓÃÀ´·µ»Ø×Ö·û´®µÄ!
3.º¯ÊýÈë¿ÚÎÊÌâ,Ò»°ã»á³öÏÖ "ÕÒ²»µ½Èë¿Úµã" Õâ¸öÎÊÌâ²»ÊÇÓÉÄãÒýÆðµÄ,¶øÊÇϵͳ×Ô¼º°ÑÃû×Ö¸ÄÁË,¸Ä³ÉʲôÑùµÄÃû×Ö½¨ÒéÄãÓà ......

C# ¹Ø¼ü×ÖexternÓ÷¨

ÐÞÊηûÓÃÓÚÉùÃ÷ÔÚÍⲿʵÏֵķ½·¨¡£extern ÐÞÊηûµÄ³£¼ûÓ÷¨ÊÇÔÚʹÓà Interop ·þÎñµ÷Èë·Ç
ÍйܴúÂëʱÓë DllImport ÊôÐÔÒ»ÆðʹÓã»ÔÚÕâÖÖÇé¿öÏ£¬¸Ã·½·¨»¹±ØÐëÉùÃ÷Ϊ static£¬ÈçÏÂÃæµÄʾÀýËùʾ£º[DllImport("avifil32.dll")]
private static extern void AVIFileInit();
×¢Òâ
extern ¹Ø¼ü×Ö»¹¿ÉÒÔ¶¨ÒåÍⲿ³ÌÐò¼¯±ðÃû£¬Ê¹ ......

C#ÃæÊÔ±ÊÊÔСÌùÊ¿ 1

ü   ref¡¢out¡¢Óëparams
Ó¦¸ÃÀ´ËµÕâÈý¸ö¹Ø¼üÔÚÒ»°ãµÄ±àÂë¹ý³ÌÖл¹ÊÇ»á²»Ê±Éæ¼°µ½µÄ£¬ËùÒÔ²»Ëãʲô“À䯧”µÄ¸ÅÄî¡£ÓйØÈý¸ö²ÎÊýÐÞÊηûµÄ½âÊÍÈçÏ£º
Ref£ºref¹Ø¼ü×ÖÈÃÒ»¸öÖµÀàÐ͵ÄÊäÈë²ÎÊý°´ÒýÓô«µÝ¡£Êµ¼ÊÉÏ£¬¶ÔÓÚÒýÓÃÀàÐ͵IJÎÊý£¬ÊÇ·ñʹÓÃref¹Ø¼ü×Ö£¬²î±ð΢ºõÆä΢¡£ÓÐÒ»¸öÀýÍâÊÇStringÀàÐ͵IJΠ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ