c#实例源代码0.doc

编辑版word编辑版word编辑版word【实例1-1】usingSystem;usingSystem.Collections.Generic;usingSystem.Text;namespace_{classProgram{staticvoidMain(string[]args){System.Console.WriteLine("恭喜你，学会了C#编程！");System.Console.ReadLine();}}}【实例1-2】privatevoidForm1_Load(objectsender,EventArgse){this.Text="这是一窗口！";LabellbShow=newLabel();lbShow.Location=newPoint(40,50);lbShow.AutoSize=true;lbShow.Text="恭喜你学会编程了！";this.Controls.Add(lbShow);int[]x,y;x=newint[5]{1,2,3,4,5};y=newint[5];y=x;foreach(intainy){lbShow.Text+=a.ToString();}this.Controls.Add(lbShow);}【实例2-1】usingSystem;usingSystem.Windows.Forms;namespaceTestEnum{publicpartialclassTestEnum:Form{//VisualStudio.Net自动生成的构造函数，后文示例将全部省略publicTestEnum(){InitializeComponent();}enumMyEnum{a=101,b,c,d=201,e,f};//声明枚举型privatevoidTestEnum_Load(objectsender,EventArgse){MyEnumx=MyEnum.f;//使用枚举型MyEnumy=(MyEnum)202;stringresult="枚举数x的值为";result+=(int)x;//将x转换为整数result+="\n枚举数y代表枚举元素"+y;lblShow.Text=result;}}}【实例2-2】usingSystem;usingSystem.Windows.Forms;namespaceTestStru{publicpartialclassTestStru:Form{structStudent//声明结构型{//声明结构型的数据成员publicintno;publicstringname;publiccharsex;publicintscore;//声明结构型的方法成员publicstringAnswer(){stringresult="该学生的信息如下：";result+="\n学号："+no;//"\n"为换行符result+="\n姓名："+name;result+="\n性别："+sex;result+="\n成绩："+score;returnresult;//返回结果}};privatevoidTestEnum_Load(objectsender,EventArgse){Students;//使用结构型s.no=101;s.name="黄海";s.sex='男';s.score=540;lblShow.Text=s.Answer();//显示该生信息lblShow.Text+="\n\n"+DateTime.Now;//显示当前时间}}}【实例2-3】usingSystem;classTestConstant{staticvoidMain(string[]args){Console.WriteLine((0).GetType());//有符号的32位整型常量Console.WriteLine((0U).GetType());//无符号的32位整型常量Console.WriteLine((0L).GetType());//64位的长整型常量Console.WriteLine((0F).GetType());//32位的浮点型常量Console.WriteLine((0D).GetType());//64位的双精度型常量Console.WriteLine((0M).GetType());//128位的小数型常量Console.WriteLine(('0').GetType());//16位的字符型常量Console.WriteLine(("0").GetType());//字符串常量Console.WriteLine((0.0).GetType());//64位的双精度型常量Console.WriteLine((true).GetType());//布尔型常量Console