2015 年 1月随笔档案 - wjshan0808

With as 递归查询

摘要：use TESTcreate table Provinces( pro_Id int primary key identity(1,1), pro_Name nvarchar(255), pro_Code nvarchar(8), pro_PId int) exec sp_r... 阅读全文

posted @ 2015-01-31 17:54 wjshan0808 阅读(214) 评论(0) 推荐(0) 编辑

ServiceController1

摘要：using System;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.Linq;using System.Text;u... 阅读全文

posted @ 2015-01-30 13:57 wjshan0808 阅读(230) 评论(0) 推荐(0) 编辑

Winform TreeView 节点拖动

摘要：private void treeView_ItemDrag(object sender, ItemDragEventArgs e) { TreeNode dragNode = e.Item as TreeNode; DoDr... 阅读全文

posted @ 2015-01-29 17:43 wjshan0808 阅读(1475) 评论(1) 推荐(0) 编辑

Winform ListView 元素拖动

摘要：//ListView 属性 /* AllowDrop : True */ ListView objLVDrag; private void listView_DragDrop(object sender, DragEventArgs e) { ... 阅读全文

posted @ 2015-01-29 17:01 wjshan0808 阅读(1072) 评论(0) 推荐(0) 编辑

提示文字样式定义

摘要：private void toolTip1_Draw(object sender, DrawToolTipEventArgs e) { // 自定义背景 e.Graphics.FillRectangle(SystemBrushes.Activ... 阅读全文

posted @ 2015-01-23 12:50 wjshan0808 阅读(172) 评论(0) 推荐(0) 编辑

窗体闪烁

摘要：/// /// lashes the specified window one time. It does not change the active state of the window. /// /// A handle to the window... 阅读全文

posted @ 2015-01-23 12:42 wjshan0808 阅读(123) 评论(0) 推荐(0) 编辑

Ini文件操作函数

摘要：/// /// Copies a string into the specified section of an initialization file. /// /// The name of the section to which the str... 阅读全文

posted @ 2015-01-22 13:08 wjshan0808 阅读(244) 评论(0) 推荐(0) 编辑

移动文件

摘要：/// /// Moves an existing file or directory, including its children, with various move options. /// The MoveFileWithProgress function i... 阅读全文

posted @ 2015-01-22 12:56 wjshan0808 阅读(242) 评论(0) 推荐(0) 编辑

文件路径遍历

摘要：private void DeeperDirectory(string path) { FileSystemInfo[] fsi = new DirectoryInfo(path).GetFileSystemInfos(); foreach ... 阅读全文

posted @ 2015-01-22 12:31 wjshan0808 阅读(148) 评论(0) 推荐(0) 编辑

边缘探测

摘要：Color C1, C2, C3, C4; int r1, r2, r3, r4, g1, g2, g3, g4, b1, b2, b3, b4, rx, ry, gx, gy, bx,... 阅读全文

posted @ 2015-01-22 11:23 wjshan0808 阅读(263) 评论(0) 推荐(0) 编辑

马赛克效果

摘要：Color C; int r, g, b, rV, gV, bV, rT, gT, bT, y, z; Bitmap bmp = new Bitmap(pictureBox1.Image);//创建Bitmap对象 Bitmap t... 阅读全文

posted @ 2015-01-22 10:54 wjshan0808 阅读(191) 评论(0) 推荐(0) 编辑

柔化效果

摘要：Bitmap bmp = new Bitmap(pictureBox1.Image); int Height = bmp.Height; int Width = bmp.Width; Bitmap tmp = (Bitmap)bmp... 阅读全文

posted @ 2015-01-22 10:44 wjshan0808 阅读(155) 评论(0) 推荐(0) 编辑

锐化效果

摘要：Bitmap bmp = new Bitmap(pictureBox1.Image); //创建Bitmap对象 Bitmap tmp = (Bitmap)bmp.Clone();//创建Bitmap对象 int height = tmp.Height;... 阅读全文

posted @ 2015-01-22 10:33 wjshan0808 阅读(182) 评论(0) 推荐(0) 编辑

扭曲效果

摘要：///283,191 Bitmap bmp = new Bitmap(pictureBox1.Image);//创建Bitmap对象 using (Graphics g = pictureBox2.CreateGraphics()) ... 阅读全文

posted @ 2015-01-22 10:21 wjshan0808 阅读(118) 评论(0) 推荐(0) 编辑

黑白效果

摘要：Bitmap bmp = new Bitmap(pictureBox1.Image); int height = bmp.Height; int width = bmp.Width; Bitmap tmp = new Bitma... 阅读全文

posted @ 2015-01-22 10:03 wjshan0808 阅读(121) 评论(0) 推荐(0) 编辑

光照效果

摘要：private const float BRIGHTNESS = 220.0F; Graphics g = this.pictureBox2.CreateGraphics(); g.Clear(Color.White); Bitmap bmp = new ... 阅读全文

posted @ 2015-01-22 09:55 wjshan0808 阅读(144) 评论(0) 推荐(0) 编辑

积木效果

摘要：int avg, iPixel; Color C, newC; Graphics g = this.CreateGraphics(); Bitmap bmp = new Bitmap(pictureBox1.Image); ... 阅读全文

posted @ 2015-01-22 09:29 wjshan0808 阅读(185) 评论(0) 推荐(0) 编辑

百叶窗效果

摘要：Bitmap bmp = new Bitmap(pictureBox1.Image); ///等分 int divide = 11; int divideLine = divide + 1; //百叶窗宽度 ... 阅读全文

posted @ 2015-01-22 09:21 wjshan0808 阅读(207) 评论(0) 推荐(0) 编辑

图片浮雕

摘要：Bitmap bmp = new Bitmap(pictureBox1.Image);//创建Bitmap对象 for (int i = 0; i < bmp.Width - 1; i++) { for (int j = 0;... 阅读全文

posted @ 2015-01-21 17:40 wjshan0808 阅读(196) 评论(0) 推荐(0) 编辑

向区域中追加文本

摘要：Graphics g;//画板 GraphicsPath path;//路径 private void button1_Click(object sender, EventArgs e) { //从路径中构造区域 ... 阅读全文

posted @ 2015-01-21 17:36 wjshan0808 阅读(160) 评论(0) 推荐(0) 编辑

伽马曲线调整图片

摘要：private void Form1_Load(object sender, EventArgs e) { img = pictureBox1.Image = Image.FromFile("8.jpg"); } Ima... 阅读全文

posted @ 2015-01-21 17:17 wjshan0808 阅读(507) 评论(0) 推荐(0) 编辑

改变图片亮度

摘要：private void button1_Click(object sender, EventArgs e) { UpdatePicBoxEventHandle UpdatePicBox = new UpdatePicBoxEventHandle(... 阅读全文

posted @ 2015-01-21 16:14 wjshan0808 阅读(166) 评论(0) 推荐(0) 编辑

改变图片的对比度

摘要：private void button1_Click(object sender, EventArgs e) { UpdatePicBoxEventHandle UpdatePicBox = new UpdatePicBoxEventHandle(... 阅读全文

posted @ 2015-01-21 15:58 wjshan0808 阅读(236) 评论(0) 推荐(0) 编辑

设置/取消桌面背景

摘要：private void Set_Click(object sender, EventArgs e) { //设置壁纸 SystemParametersInfo(SystemParametersInfoAction.SPI_SETDESKW... 阅读全文

posted @ 2015-01-21 11:16 wjshan0808 阅读(508) 评论(0) 推荐(0) 编辑

放大镜

摘要：using (Graphics g = pictureBox1.CreateGraphics()) {//画板 Rectangle sourceRec = new Rectangle(e.X - 10, e.Y - 10, 10, ... 阅读全文

posted @ 2015-01-20 16:44 wjshan0808 阅读(114) 评论(0) 推荐(0) 编辑

网线帘幕动画

摘要：/* * 黄 * 蓝红 * 绿 */ private void btnStart_Click(object sender, EventArgs e) { ... 阅读全文

posted @ 2015-01-20 16:21 wjshan0808 阅读(254) 评论(0) 推荐(0) 编辑

图片缩放/旋转/平移/设置分辨率

摘要：#region 设置分辨率 using (Graphics g = pictureBox2.CreateGraphics()) { g.Clear(pictureBox2.BackColor);//清空 ... 阅读全文

posted @ 2015-01-20 15:12 wjshan0808 阅读(565) 评论(0) 推荐(0) 编辑

贝塞尔样条

摘要：/*贝塞尔样条是由四个点指定的曲线：两个端点（p1 和 p2）和两个控制点（c1 和 c2）。曲线开始于 p1，结束于 p2。 * 该曲线不经过控制点，但是控制点的作用像磁铁一样，在某些方向上拉拽曲线并影响曲线弯曲的方式。该曲线始于 p1 并向控制点... 阅读全文

posted @ 2015-01-20 15:01 wjshan0808 阅读(314) 评论(0) 推荐(0) 编辑

线性梯度画刷

摘要：using (Graphics graphics = this.CreateGraphics()) {// graphics.Clear(Color.White); Pen pen = new Pen(Color.Red, 2); ... 阅读全文

posted @ 2015-01-20 14:25 wjshan0808 阅读(131) 评论(0) 推荐(0) 编辑

画七彩五角星

摘要：using (Graphics graphics = this.CreateGraphics()) { graphics.Clear(Color.White); Point[] points = {//顺时针点坐标... 阅读全文

posted @ 2015-01-20 14:21 wjshan0808 阅读(1846) 评论(0) 推荐(0) 编辑

画花纹图案

摘要：using (Graphics g = this.CreateGraphics()) {//画板 g.FillRectangle(Brushes.White, this.ClientRectangle);//画板颜色 ... 阅读全文

posted @ 2015-01-20 13:27 wjshan0808 阅读(146) 评论(0) 推荐(0) 编辑

画箭头

摘要：using (Pen mypen = new Pen(Color.Black, 6)) { mypen.StartCap = LineCap.DiamondAnchor;//设置起始箭头 mypen.EndCap = ... 阅读全文

posted @ 2015-01-20 13:19 wjshan0808 阅读(119) 评论(0) 推荐(0) 编辑

图片填充线条

摘要：Bitmap bitmap = new Bitmap("1.jpg"); TextureBrush b = new TextureBrush(bitmap);//指定纹理图片 Pen p = new Pen(b, 30);//创建画笔 ... 阅读全文

posted @ 2015-01-20 13:14 wjshan0808 阅读(144) 评论(0) 推荐(0) 编辑

打开/关闭光驱

摘要：/// /// The mciSendString function sends a command string to an MCI device. The device that the command is sent to is specified in the command... 阅读全文

posted @ 2015-01-20 13:01 wjshan0808 阅读(245) 评论(0) 推荐(0) 编辑

检测声卡是否安装

摘要：/// /// The waveOutGetNumDevs function retrieves the number of waveform-audio output devices present in the system. /// /// Ret... 阅读全文

posted @ 2015-01-20 12:54 wjshan0808 阅读(251) 评论(0) 推荐(0) 编辑

创建快捷方式

摘要：WshShell shell = new WshShell();//建立对象 //生成快捷方式文件，指定路径及文件名 IWshShortcut shortcut = (IWshShortcut)shell.CreateShortcut( Environme... 阅读全文

posted @ 2015-01-20 10:56 wjshan0808 阅读(195) 评论(0) 推荐(0) 编辑

接收按键消息

摘要：public const int WM_KEYDOWN = 0x0100;//按键消息 public const int WM_SYSKEYDOWN = 0x0104;//快捷键或系统命令键的消息 protected override bool ProcessCmdKe... 阅读全文

posted @ 2015-01-20 10:38 wjshan0808 阅读(119) 评论(0) 推荐(0) 编辑

注册系统热键

摘要：/// /// Defines a system-wide hot key. /// /// A handle to the window that will receive WM_HOTKEY messages generated by the hot... 阅读全文

posted @ 2015-01-20 10:26 wjshan0808 阅读(152) 评论(0) 推荐(0) 编辑

获取剪贴板中的数据

摘要：/// /// Adds the specified window to the chain of clipboard viewers. Clipboard viewer windows receive a WM_DRAWCLIPBOARD message whenever the... 阅读全文

posted @ 2015-01-20 09:46 wjshan0808 阅读(515) 评论(0) 推荐(0) 编辑

遍历系统环境变量的键和值

摘要：//遍历环境变量的键和值 foreach(DictionaryEntry en in Environment.GetEnvironmentVariables()) { en.Key.ToString(); ... 阅读全文

posted @ 2015-01-19 17:29 wjshan0808 阅读(217) 评论(0) 推荐(0) 编辑

程序图标不在任务栏上显示

摘要：this.ShowInTaskbar = false; 阅读全文

posted @ 2015-01-19 17:22 wjshan0808 阅读(179) 评论(0) 推荐(0) 编辑

获取鼠标位置的颜色值

摘要：Color c = new Color();//创建颜色对象 Bitmap bitmap = new Bitmap(this.BackgroundImage);//创建BITMAP对象 int x = Cursor.Position.X;//鼠标x坐标 ... 阅读全文

posted @ 2015-01-19 17:17 wjshan0808 阅读(1128) 评论(0) 推荐(0) 编辑

接触/限制鼠标活动区域

摘要：this.Cursor = new Cursor(Cursor.Current.Handle); Cursor.Position = new Point(Cursor.Position.X,Cursor.Position.Y);//鼠标位置 Cursor.... 阅读全文

posted @ 2015-01-19 17:16 wjshan0808 阅读(298) 评论(0) 推荐(0) 编辑

系统的启动模式

摘要：SystemInformation.BootMode 阅读全文

posted @ 2015-01-19 17:10 wjshan0808 阅读(124) 评论(0) 推荐(0) 编辑

获取系统用户名

摘要：ManagementClass mc = new ManagementClass("Win32_ComputerSystem");//实例化 ManagementObjectCollection moc = mc.GetInstances();//获取管理对象集合 ... 阅读全文

posted @ 2015-01-19 17:06 wjshan0808 阅读(158) 评论(0) 推荐(0) 编辑

获取进程并关闭

摘要：using System.Diagnostics;Process[] myprocess = Process.GetProcesses();//获取进程foreach (Process pro in myprocess) { if (pro.Mai... 阅读全文

posted @ 2015-01-19 17:03 wjshan0808 阅读(192) 评论(0) 推荐(0) 编辑

遍历系统中的打印机

摘要：System.Drawing.Printing.PrinterSettings.InstalledPrinters 阅读全文

posted @ 2015-01-19 16:37 wjshan0808 阅读(201) 评论(0) 推荐(0) 编辑

获取/设置计算机名字

摘要：using Microsoft.VisualBasic.Devices;//Microsoft.VisualBasic.dll/// /// Sets a new NetBIOS name for the local computer. The name is stored in t... 阅读全文

posted @ 2015-01-19 16:26 wjshan0808 阅读(178) 评论(0) 推荐(0) 编辑

设置系统时间

摘要：/// /// Sets the current local time and date. /// /// /// [DllImport("kernel32", CharSet = CharSet.Unicode, Se... 阅读全文

posted @ 2015-01-19 16:24 wjshan0808 阅读(236) 评论(0) 推荐(0) 编辑

操作系统信息

摘要：OperatingSystem myOS = Environment.OSVersion;//创建对象阅读全文

posted @ 2015-01-19 16:03 wjshan0808 阅读(142) 评论(0) 推荐(0) 编辑

隐藏/显示任务栏

摘要：/// /// Retrieves a handle to the top-level window whose class name and window name match the specified strings. This function does not sear... 阅读全文

posted @ 2015-01-19 15:56 wjshan0808 阅读(174) 评论(0) 推荐(0) 编辑

鼠标左右键互换

摘要：/// /// Reverses or restores the meaning of the left and right mouse buttons. /// /// If this parameter is TRUE, the left button generates right-button messages and the righ... 阅读全文

posted @ 2015-01-19 15:48 wjshan0808 阅读(176) 评论(0) 推荐(0) 编辑

系统输入法设置

摘要：InputLanguage.CurrentInputLanguage input=InputLanguage.InstalledInputLanguages[1]; 阅读全文

posted @ 2015-01-19 14:49 wjshan0808 阅读(133) 评论(0) 推荐(0) 编辑

清空回收站

摘要：/// /// Empties the Recycle Bin on the specified drive. /// /// A handle to the parent window of any dialog boxes that might be... 阅读全文

posted @ 2015-01-19 14:44 wjshan0808 阅读(133) 评论(0) 推荐(0) 编辑

锁定计算机

摘要：//锁定计算机[DllImportAttribute("user32.dll")]public static extern void LockWorkStation();禁止关闭计算机private const int WM_QUERYENDSESSION = 0x0011;//windows消息 ... 阅读全文

posted @ 2015-01-19 14:30 wjshan0808 阅读(159) 评论(0) 推荐(0) 编辑

cmd

摘要：Process p = new Process();//创建进程对象 string drivename = cboDrive.Text;//盘符 string shareName = txtShareName.Text;//共享名 ... 阅读全文

posted @ 2015-01-19 14:17 wjshan0808 阅读(168) 评论(0) 推荐(0) 编辑

磁盘信息

摘要：using System.Management;using System.IO; //System.Management.dll //创建WMI查询 ManagementObjectSearcher searcher = new ManagementObje... 阅读全文

posted @ 2015-01-19 14:02 wjshan0808 阅读(124) 评论(0) 推荐(0) 编辑

Regist

摘要：using (RegistryKey key = Registry.CurrentUser.CreateSubKey(@"Software\Microsoft\Windows\CurrentVersion\Policies\Explorer")) { key.SetValue... 阅读全文

posted @ 2015-01-19 12:28 wjshan0808 阅读(1323) 评论(0) 推荐(0) 编辑

c# 隐藏控制台应用程序

摘要：using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Diagnostics;using System.Runtime.InteropServices;namesp... 阅读全文

posted @ 2015-01-17 13:07 wjshan0808 阅读(503) 评论(0) 推荐(0) 编辑

Ping

摘要：const int SOCKET_ERROR = -1; const int ICMP_ECHO = 8; public string PingHost(string host) { IPHostEntry server... 阅读全文

posted @ 2015-01-15 16:50 wjshan0808 阅读(200) 评论(0) 推荐(0) 编辑

浏览器窗口

摘要：百度baidu 阅读全文

posted @ 2015-01-15 09:44 wjshan0808 阅读(165) 评论(0) 推荐(0) 编辑

SQL 笔记

摘要：返回字符串中从左/右边开始指定个数的字符select left('wjshan0808',6) select right('wjshan0808',4)select left([Column_expression],1)返回字符、二进制、文本或图像表达式的一部分select substring('w... 阅读全文

posted @ 2015-01-14 13:38 wjshan0808 阅读(185) 评论(0) 推荐(0) 编辑

数据库连接字符串

摘要：new SqlConnection("server=LJM\\MSSQL2005;database=MySchool;uid=sa;pwd=123456")//连接Access数据库new OleDbConnection("provider=Microsoft.Jet.OLEDB.4.0;dat... 阅读全文

posted @ 2015-01-14 09:13 wjshan0808 阅读(234) 评论(0) 推荐(0) 编辑

获取网卡地址信息

摘要：public string GetMacAddress() { try { string mac = ""; ManagementClass mc = new Man... 阅读全文

posted @ 2015-01-13 17:25 wjshan0808 阅读(164) 评论(0) 推荐(0) 编辑

启动所选择的应用程序

摘要：Process ps = new Process(); ps.StartInfo.FileName = textBox1.Text; //启动所选择的应用程序 ps.Start(); 阅读全文

posted @ 2015-01-13 16:31 wjshan0808 阅读(166) 评论(0) 推荐(0) 编辑

获取网络IP地址

摘要：IPHostEntry iphost = Dns.GetHostEntry(txtDNS.Text);//解析并返回IPHostEntry对象 foreach (IPAddress ip in iphost.AddressList)//遍历IP地址 ... 阅读全文

posted @ 2015-01-13 16:12 wjshan0808 阅读(143) 评论(0) 推荐(0) 编辑

检测网络状态

摘要：/// /// Retrieves the connected state of the local system /// /// Pointer to a variable that receives the connection de... 阅读全文

posted @ 2015-01-13 16:05 wjshan0808 阅读(163) 评论(0) 推荐(0) 编辑

邮件发送接收

摘要：string server = this.txtserver.Text; MailMessage Mail = new MailMessage(this.txtFrom.Text, this.txtGet.Text); Ma... 阅读全文

posted @ 2015-01-13 15:38 wjshan0808 阅读(204) 评论(0) 推荐(0) 编辑

网页内容下载

摘要：string strl="";//存储编码 WebRequest request = WebRequest.Create(txtHtmlUrl.Text.Trim());//请求资源 WebResponse respons... 阅读全文

posted @ 2015-01-13 15:21 wjshan0808 阅读(136) 评论(0) 推荐(0) 编辑

[转] asp.net <%%>&<%#%>&<%=%>&<%@%>&<%$%>用法区别

摘要：转自参考 1.<% %>用来绑定后台代码如: < % for(int i=0;i<100;i++) { Reaponse.Write(i.ToString()); } %> 2.<%# %> 是在绑定控件DataBind()方法执行时被执行，用于数据绑定如: < %# Container.Da 阅读全文

posted @ 2015-01-13 14:53 wjshan0808 阅读(189) 评论(0) 推荐(0) 编辑

正则表达式

摘要：邮箱验证：@"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"网址@"http(s)?://([\w-]+\.)+[\w-]+(//[\w- .//?%&=]*)?"15位或18位身份证号码@"\d{17}[\d|X]|\d{15}"手机号@"1(47|(3... 阅读全文

posted @ 2015-01-13 14:42 wjshan0808 阅读(110) 评论(0) 推荐(0) 编辑

加密器

摘要：///随机数加密byte[] randomByte = new byte[16];//创建字节数组 //实例化加密随机数生成器 RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider(); ... 阅读全文

posted @ 2015-01-13 12:43 wjshan0808 阅读(203) 评论(0) 推荐(0) 编辑

程序集属性访问器

摘要：#region 程序集属性访问器 public string AssemblyTitle { get { object[] attributes = Assembly.GetExecu... 阅读全文

posted @ 2015-01-12 12:51 wjshan0808 阅读(301) 评论(0) 推荐(0) 编辑

模拟窗体附顶停靠隐藏

摘要：using System.Runtime.InteropServices;/* Winform的 FormBorderStyle=None; */namespace Windows_API_实现屏幕右下角_消息框_{ public partial class QQHide : F... 阅读全文

posted @ 2015-01-12 09:40 wjshan0808 阅读(196) 评论(0) 推荐(0) 编辑

WinForm利用 WinApi实现淡入淡出弹出效果仿QQ消息

摘要：消息框：using System.Runtime.InteropServices;namespace Windows_API_实现屏幕右下角_消息框_{ public partial class Msg : Form { public Msg() { ... 阅读全文

posted @ 2015-01-09 13:48 wjshan0808 阅读(402) 评论(0) 推荐(0) 编辑

鼠标滚轮改变图片大小

摘要：阅读全文

posted @ 2015-01-08 12:09 wjshan0808 阅读(195) 评论(0) 推荐(0) 编辑

Web TreeView 加载级联数据

摘要：protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { dt = BLL.GetTable(); LoadLYRProperties(0, null); ... 阅读全文

posted @ 2015-01-04 16:12 wjshan0808 阅读(226) 评论(0) 推荐(0) 编辑