C # Learning 4

Function Overloading is the same as the Chinese method name of the same class. The parameter list is different. The parameter list is different, including the number of parameters in the method or the parameter data type is different. First, it is a

C # advanced programming (8) -- Lambda expressions

Lambda expressions are anonymous functions that can contain expressions and statements and can be used to create a delegate or expression tree type.All Lambda expressions use the Lambda operator =>, which reads "goes ". The left side of the Lambda

Connect agsxmpp client to openfire

Connect agsxmpp to openfireYou need to modify the source code as follows:1. Modify the Mechanism. cs file in agsxmpp.// Case "DIGEST-MD5": // comment out case "DIGEST-MD5": Change plain to default// Return MechanismType. DIGEST_MD5; Comment case

C # Four File Download methods in asp.net

[Csharp]// Download TransmitFileProtected void button#click (object sender, EventArgs e){  Response. ContentType = "application/x-zip-compressed ";Response. AddHeader ("Content-Disposition", "attachment=filename= August report .zip ");String

Crazy graphics (use C # + GDI plus to simulate chaotic real-world scenarios)

This article provides key code for simulating bamboo leaves, Sloga leaves, messy stones, and stars in the sky. Use the C # language in the. Net environment, and write it using GDI +.     Bamboo Simulation // Key Parameters Int minCorners = 3;Int

C # Calculate the sum of two numbers in Task 4 of week 3

[Csharp]/* (Start of program header annotation)* Copyright and version Declaration of the program* Copyright (c) 2011, a student from the computer College of Yantai University* All rights reserved.* File name: calculates the sum of two numbers.*

C # LAN chat Demo

This demo uses C # and UDP protocol. The sending and receiving threads are set up to process the corresponding tasks cyclically. [Csharp]Using System;// Using System. Collections. Generic;// Using System. Linq;Using System. Text;Using System.

Use J # runtime in C # To Compress and decompress

Introduction There are many class libraries available for zip files. I found it very easy to operate zip files in C # programs. When Microsoft's. NET framework 1.1 came out, a new language called J # was also released #. Let's take a look at J. Java

Efficient C # Coding Optimization

There are many coding methods to achieve the same purpose as Rome. It would be better if we optimize it on the basis of implementation.(1) foreach has better execution efficiency than for statements.The average time of foreach is only 30% of that of

C # create a window service

Using System;Using System. Threading;Using System. ServiceProcess;Using System. Collections;Using System. Configuration. Install;Using System. Diagnostics;Using System. Collections. Generic;Using System. ComponentModel;Using System. Data;Using

C # DataTable export Excel advanced multi-row headers and merge Cells

If you don't talk much about it, go directly to the Code:[Csharp]Using System;Using System. Collections. Generic;Using System. Web;Using System. Configuration;Using System. Data;Using System. Data. Common;Using System. Data. OleDb;Using System. Web.

C # Install and uninstall services

This is a class for C # to install and uninstall services. If you are interested, please take a look.[Csharp]Using System;Using System. Runtime. InteropServices;Namespace family. MyServiceInstaller{Class ServiceInstaller{# Region Private

C # dynamically call the webservice Method

[Csharp]Using System;Using System. Collections. Generic;Using System. Linq;Using System. Text;Using System. Net;Using System. IO;Using System. CodeDom. Compiler;Using System. Reflection;Using System. Web. Services. Description;Using System. Xml.

Add an icon to ChildWindow in Silverlight

First: idea: 1. A subclass MyChildWindow 2 is derived from ChildWindow. add an image attribute to MyChildWindow: Source 3. create a TestChildWindow XAML 4 from MyChildWindow. redefine the style and add an Image object to bind Source and Image. port

Hdu 1171 Big Event in HDU (primary function)

The idea of converting to a primary function is to arrange and combine the devices, create all possible combinations, and search for the total value, as long as the first one is found, using total-I is the two values closest to each other .. So the

Array section in C #

1. Description of array segments. The ArraySegment structure indicates an array segment. If a method returns a part of the array, orIf a method is used to pass a part of an array, an array segment can be used. Three parameters can be passed through

Comparison Learning Record of Java and C # (2)

1) I/O: This is actually meaningless, but java's stream concept is similar to C #'s stream concept, and the inheritance system is similar, but in Java it is Input, output, while C # contains Read and Write. in fact, most of the method names in each

C # lottery host WPF

Design page:Xmlns = "http://schemas.microsoft.com/winfx/2006/xaml/presentation"Xmlns: x = "http://schemas.microsoft.com/winfx/2006/xaml"Title = "webattack@163.com" Height = "350" Width = "525"> www.2cto.com  Code Page:Using System;Using

C # learning new features: Delegate, anonymous method, lambda expression

Recently, I used lambda expressions in the Code for modifying a project. By the way, I learned that lambda must be clear about the anonymous method and the Delegate method, make sure that Delegate understands the pointer of C ++. If you have used

C # create a clock program for form programming to display the current time

Simple for beginnersQuestion: display the current time in the form and simulate the clockThe program runs as follows: Steps:1. Open vs2010, File-> new-> project-> WindowsForm application2. Change the text attribute in the form properties serial port

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