C# 权限登录，社团管理，成员管理(入门级示例)

wpf Chronos 例子源码下载

asp.net 博客网站源码(含数据库)入门级源码

C#多线程例子

C# 键盘精灵(模拟按键)源码下载

（1）程序功能简介 实现计算器的功能。用户根据程序提示，输入数字，选择要进行的运算，可以进行加、减、乘、除、平方、求模、求方根等运算。 （2）程序设计说明 ① 针对加、减、乘、除、平方、求模、求方根操作，每种操作设计一个函数实现相应功能； ② 设计一个函数，可以对多个实数进行四则混合运算； ③ 设计main()测试函数

套打Demo 【核心代码】using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Text;using System.Windows.Forms;using System.Drawing.Printing;namespace Print_Demo{ public partial class Form1 : Form { public PrintDocument printDt = new PrintDocument(); //打印文档对象 Font printFont; //打印使用的字体 public Form1() { InitializeComponent(); } void printDt_PrintPage(object sender, PrintPageEventArgs e) { float pointX = 10; float pointY = 10; e.Graphics.DrawString("打印内容", new Font("宋体", 16F), Brushes.Black, pointX 60, pointY); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 26,pointX 300,pointY 26); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 35); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 56, pointX 300, pointY 56); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 65); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 86, pointX 300, pointY 86); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 95); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 116, pointX 300, pointY 116); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 125); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 146, pointX 300, pointY 146); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 155); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 176, pointX 300, pointY 176); e.Graphics.DrawString("打印内容", printFont, Brushes.Black, pointX, pointY 185); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 206, pointX 300, pointY 206); e.Graphics.DrawString("检测结果", printFont, Brushes.Black, pointX, pointY 233); e.Graphics.DrawString("通过", new Font("宋体",22F,FontStyle.Bold), Brushes.Black, pointX 90, pointY 225); e.Graphics.DrawLine(new Pen(Color.Black), pointX, pointY 265, pointX 300, pointY 265); e.Graphics.DrawString("单位名称", printFont, Brushes.Black, pointX, pointY 275); } private void Form1_Load(object sender, EventArgs e) { printDt.PrintPage = new PrintPageEventHandler(printDt_PrintPage); printFont = new Font("宋体", 12F); } private void btnPrint_Click(object sender, EventArgs e) { //PrintDialog printDlg = new PrintDialog(); //printDlg.Document = printDt; //printDlg.AllowPrintToFile = true; //printDlg.AllowCurrentPage = true; //printDlg.AllowSelection = true; //printDlg.ShowDialog(); //printDlg.ShowDialog(); printDt.Print(); } private void btnLook_Click(object sender, EventArgs e) { PrintPreviewDialog printPreview = new PrintPreviewDialog(); printPreview.PrintPreviewControl.Document = printDt; printPreview.ShowDialog(this); } }}

mvc4 PetsStore微软实例源码下载

 public Turntable()        {            InitializeComponent();            int angle = 5029;            for (int i = 0; i < 16; i )            {                angle = 22;                _ListAngle.Add(angle);            }        }        ///         /// 保存八个角度        ///         List _ListAngle = new List();        ///         /// 产生随机数        ///         Random _Random = new Random();        int _Index = 0;        int _OldAngle = 0;        private void btnStartTurntable_Click(object sender, RoutedEventArgs e)        {            btnStartTurntable.IsEnabled = false;            _Index = _Random.Next(0, 16);            //_Index = 2;            Storyboard sb = (Storyboard)this.FindResource("zhuandong");            sb.Completed -= this.sb_Completed;            sb.Completed = new EventHandler(sb_Completed);            ((SplineDoubleKeyFrame)((DoubleAnimationUsingKeyFrames)sb.Children[0]).KeyFrames[0]).Value = _OldAngle;            ((SplineDoubleKeyFrame)((DoubleAnimationUsingKeyFrames)sb.Children[0]).KeyFrames[3]).Value = _ListAngle[_Index];            //((SplineDoubleKeyFrame)((DoubleAnimationUsingKeyFrames)sb.Children[0]).KeyFrames[3]).Value = 5218;            sb.Begin();        }        void sb_Completed(object sender, EventArgs e)        {            DispatcherTimer dt = new DispatcherTimer();            dt.Interval = TimeSpan.FromSeconds(0.3);            dt.Tick = delegate             {                dt.Stop();                _OldAngle = (_ListAngle[_Index] % 360);                btnStartTurntable.IsEnabled = true;                AwardProcess(GetAward(_ListAngle[_Index]));            };            dt.Start();        }        public delegate void AwardDelegate(Award award);        ///         /// 返回转到的奖项信息        ///         public event AwardDelegate AwardProcess;        private Award GetAward(int angle)        {

原理：ActionFilterAttribute

多种c#开发的仪表盘