SlimApp

有时候我们要对时间进行转换,达到不同的显示效果　默认格式为:2005-6-6 14:33:34　如果要换成成200506,06-2005,2005-6-6或更多的该怎么办呢　我们要用到:DateTime.ToString的方法(String, IFormatProvider)　　using System;　using System.Globalization;　Stri

The abstract modifier indicates that the thing being modified has a missing or incomplete implementation. The abstract modifier can be used with classes, methods, properties, indexers, and events. U

Knowing When to Use Override and New Keywords (C# Programming Guide)In C#, a method in a derived class can have the same name as a method in the base class. You can specify how the methods int

override (C# Reference)The override modifier is required to extend or modify the abstract or virtual implementation of an inherited method, property, indexer, or event.Example

The virtual keyword is used to modify a method or property declaration, in which case the method or the property is called a virtual member. The implementation of a virtual member can be changed by an

Weak ReferencesThe garbage collector cannot collect an object in use by an application while the application's code can reach that object. The application is said to have a strong reference

Comparing reference Types for equalityYou might be surprised to learn thatSystem.Objectdefines three different methods for comparing objectsfor equality:ReferenceEquals()and two versions ofEquals(

Used to obtain the System.Type object for a type. A typeof expression takes the following form:System.Type type = typeof(int);RemarksTo obtain the ru

How to: Download a File in the BackgroundThe following code example demonstrates how to use a BackgroundWorker component to load an XML file from a URL. When the user clicks theDownload butt

An interface contains only the signatures of methods, delegates or events. The implementation of the methods is done in the class that implements the interface, as shown in the following example:

boxing and unboxingIn Chapter 2, “Core C#,” you learned that all types, both the simple predefined types such asint andchar,and the complex types such as classes and structs, derive from theob

Nullable types are instances of the System.NullableT> struct. A nullable type can represent the correct range of values for its underlying value type, plus an additional null value. For example, a N

DotNetZip - Zip and Unzip in C#, VB, any .NET languageDotNetZip is an easy-to-use, FAST, FREE class library and toolset for manipulating zip files or folders. Zip and Unzip is easy: with DotNetZip,

The null keyword is a literal that represents a null reference, one that does not refer to any object. null is the default value of reference-type variables. Ordinary value types cannot be null. How

在unity3d中，unity3d提供了相应的api将Assets导出成一个资源包，然后你在游戏中可以动态加载此资源包，实例化你想要显示的GameObject。注意：这里讲的资源包不是Unity3D Export的 .unitypackage文件，而是后缀为.unity3d文件。.unity3d文件其实是包含了unity3d引擎在运行是能够识别的特殊的资源包，unity3引擎可以动

The following example shows how to declare and raise an event that uses EventHandler as the underlying delegate type. For the complete code example that also shows how to use the generic EventHandle

Interfaces (C# Programming Guide)Interfaces are defined using the interface keyword. For example:C#interface IComparable{ int CompareTo(object obj);}

If a class implements two interfaces that contain a member with the same signature, then implementing that member on the class will cause both interfaces to use that member as their implementation.

Creating an advanced download manager in C#from:http://www.geekpedia.com/tutorial196_Creating-an-advanced-download-manager-in-Csharp.htmlThis is a continuation of the tutorial entitled "

Checks if an object is compatible with a given type. For example, it can be determined if an object is compatible with the string type like this:if (obj is string){}

问：My C# application has several background workers. Sometimes one background worker will fire off another. When the first background worker completes and the RunWorkerCompleted event is fire

The as operator is used to perform certain types of conversions between compatible reference or nullable types. For example:C# class csrefKeywordsOperators { cl

Platform Invocation Services (PInvoke) allows managed code to call unmanaged functions that are implemented in a DLL.This tutorial shows you what you need to do to be able to call unmanaged DLL func

from:http://msdn.microsoft.com/en-us/library/ms173172(v=vs.80).aspxA delegate is a type that safely encapsulates a method, similar to a function pointer in C and C++. Unlike C function point

DataSet vs. DataReaderTo determine whether to use the DataSet or the DataReader when you design your application, consider the level of functionality that is needed in the application.Use the Data

Here are some hints and tips we have been collecting along the way to make your (and our) lives better.First, we’d like to list some of the SQLite browsers we already know and let me tell you, it is

public void AddRange( int range)RemarksThe HttpWebRequest.AddRange method adds a byte range header to the request.If range is positive, the range parameter specifies the st

//testlib.c中的内容：#includeint sum(int a,int b){    return a + b;}int minus(int a,int b){    return a - b;}//main.cs中的内容:using System;using System.Runtime.In

The advantage of threading is the ability to create applications that use more than one thread of execution. For example, a process can have a user interface thread that manages interactions with the

from:http://msdn.microsoft.com/en-us/library/aa645740(v=vs.71).aspxThreading TutorialVisual Studio .NET 2003235 out of 356 rated this helpful - Rate this topicThe a

from: http://www.codeproject.com/Articles/1811/Creating-and-Using-Attributes-in-your-NET-applicatDownload the source code (2 KB)Download the demo executable (2 KB)Table of Cont

from: http://msdn.microsoft.com/en-us/library/b2s063f7(v=vs.71)In Visual C# you can document the code you write using XML. C# is the only programming language in Visual Studio .NET with this

C#中如何判断当前线程是否为主线程/ Do this when you start your applicationstatic int mainThreadId;// In Main method:mainThreadId = System.Threading.Thread.CurrentThread.ManagedThreadId;// If called

在unity中尝试使用sqlite，本打算用Mono.Data.Sqlite，但发现Mono.Data.Sqlite有bug，把unity 项目导出成iOS项目，编译后，运行程序就挂了，只好自己在C#直接调用底层的libsqlite3库。using UnityEngine;using System.Runtime.InteropServices;using Syst

BackgroundWorker Class.NET Framework 4Other Versions20 out of 27 rated this helpful - Rate this topicUpdated: September 2010Executes an operatio

Marshal UTF8 Strings in .NETWow, what a pain in the butt. .NET strings are stored internally as UTF16, not UTF8, so if you're marshaling strings to and from a library that wants strings as UTF

from：http://skysanders.net/subtext/archive/2010/05/23/sharpziplib-recursively-zip-directory-structure.aspxSharpZipLib: recursively zip/unzip directory structure001// Pr

Marsha有三个方法将string转为IntPtr： Copies the contents of a managed String into unmanaged memory, converting into ANSI format if required.public static IntPtr StringToHGlobalAuto(string s) public s

如何学习一门编程语言:程序入口基本数据类型：整型 浮点型 字符类型 字符串类型 数据结构  枚举类型  数组if 循环 switch语句继承 封装 多态 接口  抽象类 虚方法常用的类:集合类（List和Dictionay）IO类型：Stream File内存管理异常处理机制线程网络编程CLR common langu

之前写了在C#中调用libsqlite3中函数的一些代码:[DllImport("sqlite3.dll")]  private extern staticstring sqlite3_column_text(IntPtr pStmt, int iCol); [DllImport("sqlite3.dll")]  privatee xtern static stri