猪爷爷-CSDN博客

原创 C#代码搜索工具

搜索本机所有C#代码(.cs结尾的文件),使用Task.Run在后台异步加载,本机搜索不到时会自动打开cn.bing.com网站去搜using System;using System.Collections.Generic;using System.Drawing;using System.Text;using System.Threading.Tasks;using Sys

2017-03-21 22:48:52 1162

原创限制应用程序只能打开一个

bool createNew; var mutex = new Mutex(false,"SingletonWinAppMutex",out createNew); if(!createNew) { MessageBox.Show("Can only start one instance");

2016-12-21 21:11:10 778

原创 LINQ相关的集合操作

摘选自C#高级编程(第9版) --C# 5.0 & .NET 4.5.1Code: static void Main(string[] args) { LinqQuery(); object[] data = { "one", 2, 3, "four", "five", 6 }; var q

2016-12-05 21:38:55 268

原创 oracle数据库访问类

using System;using System.Collections.Generic;using System.Text;using System.Data;using System.Windows.Forms;using System.Data.OracleClient;//using Oracle.DataAccess;//using Oracle.DataAccess.T

2015-10-27 18:05:22 453

原创 OD简易修改仙4

记录一下:以下所说全是指的暴力修改

2014-08-17 20:02:59 623

原创永久隐藏任务栏

Code:using System;using System.Collections.Generic;using System.Runtime.InteropServices;namespace CsDev{ class c2 { private const int SW_HIDE = 0; private const int SW

2014-03-25 19:39:17 1687

原创 DLL调用

先编写一个简单的类如下:namespace Cryking{ public class MathLib { public int Mul( int x,int y) { return x * y; } }}保存为MathLib.cs文件然后使用如下命令编译成dll文件csc /o

2014-03-22 22:49:29 489

原创反射(Reflection)

通过反射来构造类的实例、执行类的方法、属性设置等。// Comment out the following line to test,// bind, and invoke as separate steps.#define BindAndInvokeTogetherusing System;using System.Reflection;using System.Threading

2014-03-18 20:27:30 553

原创垃圾回收(GC)

(刚进入管理堆的对象称为0代对象)0代对象使用空间阈值为256KB如果有新对象使得超过阈值,那么就会导致启动GC.经过GC回收之后剩下的对象叫1代对象.此时0代就为空了,那么后面新分配的对象将会在0代空间。1代阈值为2MB。GC会忽略1代对象也直接回收0代对象,因为GC会假定越新的对象其生命周期越短。2代阈值越为10M左右。管理堆只支持0代、1代、2代。(没有3代,可通过GC.

2014-03-18 00:03:54 656

原创委托(delegate)

Code:using System;using System.Windows.Forms;using System.IO;class Set{ private Object[] items; public Set(Int32 numItems) { items = new Object[numItems]; for (Int32 i

2014-03-14 09:17:56 529

原创字符串比较之object.ReferenceEquals方法

Code:using System;using System.Text;namespace CsDev{ class Class3 { static void Main() { string a = "avd"; string b = "av"; string c

2014-03-11 12:24:29 1848

原创统计代码文件的注释行

使用了并行处理、lambda表达式、字典集合、using语句、文件处理等技术。功能:统计指定目录下(包括子目录)所有.CS文件中的注释行源码:using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;using

2014-03-02 00:24:23 1060

原创调用COM方法

请先引用Microsoft.Office.Interop.Word.dll调用Word里的拼写检查方法,注意需要先安装了Word.CODE:using System;using System.Reflection;using Microsoft.Office.Interop.Word;namespace CsStudy{ class Pro {

2014-03-01 13:56:38 765

原创异步编程

Code:using System;using System.Runtime.Remoting.Messaging;using System.Threading;namespace CsStudy{ delegate long MyDel(int first, int second); class Program { int TimesCall

2014-02-28 21:40:52 535

原创进度条(BackgroundWorker后台线程处理)--WPF应用

源码:using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows;using System.Windows.Controls;using System.Windows.Data;using System.Windows.Document

2014-02-28 15:58:17 1046

原创 XML相关

创建XML以及读取XMLusing System;using System.Xml.Linq;namespace CsStudy{ class Program { static void Main() { XDocument e = new XDocument( new XEleme

2014-02-28 00:03:13 536

原创 LINQ

CODE:using System;using System.Linq;namespace CsStudy{ class Program { static void Main() { var gA = new[] { 2, 3, 4, 5 }; var gB = new[] { 6, 7,

2014-02-27 23:51:54 525

原创用户自定义类型转换

CODE:using System;namespace CsStudy{ class Per { public int p = 5; public static implicit operator int(Per a)//自定义隐式类型转换 { return a.p + 1; }

2014-02-26 20:30:04 627

原创事件

CODE:using System;namespace CsDev{ public delegate void myEventHandler(string a);//自定义事件类型 class eventTest { public event myEventHandler myEvent; public event EventHan

2014-02-26 13:36:13 562

原创委托和匿名方法、lambda表达式

CODE:using System;namespace CsDev{ delegate void delTest(string a);//委托定义 delegate void delTest1(int a,params int[] b); public class c2 { void testMethod(string a)

2014-02-26 12:18:58 641

原创矩形数组和交错数组

CODE:using System;namespace CsStudy{ class Program { static void Main() { //矩形数组声明及初始化 int[,] aint = new int[2, 3]; int[,] bint = new i

2014-02-25 22:48:27 834

原创 using语句

来源:>示例:using System;using System.IO;namespace CsDev{ public class c2 { public static void Main() { using (TextWriter tw1 = File.CreateText("tw1.txt"),

2014-02-25 13:01:02 556

原创索引器(Indexer)

来源:>Code:using System;namespace CsDev{ class Class1 { string a; string b; string c; public string this[int index]//索引器定义 { set

2014-02-25 09:11:17 683

原创扩展方法

来源:>扩展方法示例:using System;namespace CsStudy{ sealed class Test { double D1, D2, D3; public Test(double d1, double d2, double d3) { D1 = d1; D2 = d2; D3

2014-02-24 20:25:47 557

原创特性的简单使用(Attribute)

using System;using System.Reflection;//特性使用namespace CsDev{ public class TransactionableAttribute : Attribute { public TransactionableAttribute(string a) { Con

2014-02-17 12:10:25 610

原创空心字HollowFont

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617Code:using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Windows.Forms;namespace CsStudy

2014-01-09 21:19:24 1056

原创图片下载ImageFromWeb

Code:using System;using System.Windows.Forms;using System.Drawing;using System.Drawing.Drawing2D;using System.Net;using System.IO;namespace CsStudy{ class ImageFromWeb : Form {

2014-01-09 20:14:07 630

原创自定义控件之选择框CheckerWithChild

自定义控件类CheckerChild,继承自UserControl类:using System;using System.Windows.Forms;using System.Drawing;namespace CsDev{ //自定义自控件 class CheckerChild:UserControl { bool bChecked =

2014-01-09 16:21:42 558

原创复选框及字体风格CheckBoxDemo

Code:using System;using System.Windows.Forms;using System.Drawing;namespace CsDev{ class CheckBoxDemo:Form { public static void Main() { Application.Run(new

2014-01-09 13:19:50 941

原创彩色字ClipText

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617字体裁剪的应用Code:using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Windows.Forms;namespace

2014-01-07 20:29:31 647

原创数字时钟DigClock

首先建立数字显示类:using System;using System.Drawing;namespace CsDev{ class SevenSegmentDispay { Graphics grph; //0,1,2,3,4,5,6,7,8,9 static byte[,] bySegment = { { 1, 1,

2014-01-07 10:30:23 1109

原创菜单的选项按钮及复选框CheckAndRadioCheck

Code:using System;using System.Windows.Forms;using System.Drawing;namespace CsDev{ class CheckAndRadioCheck : Form { MenuItem miColor, miFill; static void Main()

2014-01-07 09:21:23 743

原创分隔器控件使用示例PanelWithSplitter

Code:using System;using System.Windows.Forms;using System.Drawing;namespace CsDev{ class PanelWithSplitter : Form { float fproportion = 0.5f; Panel panel2; pub

2014-01-06 13:51:27 612

原创自动缩放AutoScaleDemo

Code:using System;using System.Windows.Forms;using System.Drawing;namespace CsDev{ class AutoScaleDemo : Form { public static void Main() { Application.Run(n

2014-01-06 12:53:48 1165

原创文本变形WarpText

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Windows.Forms;namespace CsStudy{ cl

2014-01-05 18:03:12 733

原创环绕的字WrapText

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617Code:using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Windows.Forms;namespace CsStudy{

2014-01-05 17:49:51 863

原创旋转的字RotatedFont

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617Code:using System;using System.Drawing;using System.Windows.Forms;namespace CsStudy{ class RotatedFont : Fon

2014-01-05 16:38:47 518

原创反射的字ReflectedText

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617Code:using System;using System.Drawing;using System.Drawing.Drawing2D;using System.Windows.Forms;namespace CsStu

2014-01-05 16:28:40 493

原创浮雕字EmbossedText

FontMenuForm 基类见:http://blog.csdn.net/u013384702/article/details/17884617using System;using System.Drawing;using System.Windows.Forms;namespace CsStudy{ class EmbossedText : FontMenuF

2014-01-05 16:09:04 803

原创投影字DropShadow

Code:using System;using System.Drawing;using System.Windows.Forms;namespace CsStudy{ class DropShadow : FontMenuForm { const int iOffset = 10; public new static void Ma

2014-01-05 16:01:26 502

空空如也

空空如也