C# Corner

Resources  
  • Tutorial: Creating C# Class Library (DLL) Using Visual Studio .NETDec 09, 2000. This step-by-step tutorial shows you how to create a class library (DLL) in Visual Studio .NET.
  • Creating C# Class Library (DLL) Using Visual Studio .NETDec 09, 2000. This tutorial explains how to create a C# class library(dll) and call it from a C# console client application.
  • Reading and Wtiting XML DocumentsJan 16, 2001. In this article you will see how to read and write XML documents using XML API available in .NET Framework class library.
  • Schedule Program Using C#Feb 22, 2001. The Scheduling program consists of three main classes. The Form, the DatabaseController used to read and write scheduled events into the database and RowData which corresponds to data extracted from a row in the database.
  • Visual Studio .NET: Start upMar 20, 2001. The next version of Visual Studio 6.0 is Visual Studio .NET (VS.NET). In the previous versions of Visual Studio Microsoft has different menu options to pick development environment such as VC++, Visual FoxPro, Visual Basic or Visual Interdev. This version of Visual Studio has integrated everything in one IDE. The reason for that might be all development languages share common library and tools.
  • Using Microsoft Message Queues to build Scalable SolutionsApr 12, 2001. This tutorial shows you how to create, send, and received messages using MSMQ from the .NET base class library (System.Messaging) and C#.
  • Understanding How Assert Effects SecurityApr 25, 2001. Assert is a security action that is evaluated at run time. Code Access Permission classes and Permission Sets support a method called Assert. Using the Assert method to control access to resources or actions will allow your code to perform actions that it normally has permission to perform and will allow other callers up stream in the call stack to have access that they would not normally have.
  • Using .NET Framework Multithreading and GDI+ to Enrich the user experienceMay 04, 2001. This tutorial shows you how to create, send, and received messages using MSMQ from the .NET base class library (System.Messaging) and C#.
  • .NET framework comparison with Java ArchitectureMay 08, 2001. This article outlines Microsoft's proposed standardization of .NET framework in ECMA forum as CLI (Common Language Infrastructure), but the Microsoft documentation refer this as CLR (Common Language Runtime).
  • Using Reflection and With Class2000 to view the .NET System.Drawing library Part IMay 29, 2001. Using the power of .NET and the power of COM InterOperability through WithClass 2000, you can view the System.Drawing library in a rough UML diagram.
  • Service ExplorerAug 06, 2001. This program manages services running in your computer. You can use the GetServices method on the ServiceController class to retrieve a list of the services on a particular computer.
  • An insight into Code Reusability and COM Interoperability : Part IAug 28, 2001. Code reusability is the art of using existing code to achieve better productivity and ease of maintenance. The concept of reusability is not new. Its existence has been evident since the evolution of mankind.
  • Modest Introduction to IL Assembly LanguageSep 03, 2001. Since I received copy of Visual Studio .NET Beta 2 and did not manage to find “ILAssemblyLanguageProgrammersReference.doc” which was included in beta 1 I decided to share my experience with other assembly enthusiasts.
  • Exceptions and Exception StackNov 16, 2001. The purpose of this tutorial is to explain firstly how you would go about creating your own set of exceptions to trap error conditions that could occur in your code or library, for your own benefit or for the benefit of another developer using your library. The second lesson is on how the C# exception stack works, and how you can use it to catch all types of exceptions.
  • Using Interfaces in .NET RemotingNov 30, 2001. In this article, we will create a remote object that will return rows from a database table. For the sake of simplicity I have used the NorthWind database that is packed with the installation of the Microsoft SQL Server.
  • Using ADO RecordSet in ADO.NETDec 10, 2001. Using ADO recordset in managed code using ADO.NET data providers is pretty simple. Visual studio .NET provides you to add reference to the COM libraries. In this article I'll show you how to access data using ADO recordset and fill a ADO.NET data provider from the recordset data.
  • C# and ActiveX DLLDec 14, 2001. As you know with Visual Basic 6.0, it is possible develop a COM server and implement them in a Visual Basic client program. But this is being done by using Visual Basic. You may wonder about the idea of calling this DLL in a C# Application. Well, C# language provides us a way to call this COM server in a program. When we compile a C# program an Intermediate Language is generated and it is called as Managed Code.
  • How Can You Migrate your Existing Applications?Dec 20, 2001. When a new technology emerges, companies and developers begin to wait anxiously for answers to their questions.
  • Creating an Excel Spreadsheet ProgrammaticallyJan 22, 2002. The Interoperability services make it very easy to work with COM Capable Applications such as Word and Excel. This article reveals using Excel from a managed application. Excel is the spreadsheet component of Microsoft Office 2000.
  • Creating an Excel Spreadsheet ProgrammaticallyJan 22, 2002. The Interoperability services make it very easy to work with COM Capable Applications such as Word and Excel. This article reveals using Excel from a managed application. Excel is the spreadsheet component of Microsoft Office 2000.
  • xBase Engine for C# and VB.NETFeb 25, 2002. This library is written to handle DBF files from C# or VB.NET applications.
  • Calling Managed Code from Unmanaged CodeMar 11, 2002. One significant part of developers (including myself) are doing some kind of automation of Microsoft Office. So I will concentrate on opposing side of problem, how to use managed assembly from MS Office or VB script. In this article, I will discuss how to call managed code from unmanaged code.
  • .NET Remoting: The Interface ApproachMar 26, 2002. .NET Remoting provides a powerful and high performance way of working with remote objects. Architecturally, .NET Remote objects are a perfect fit for accessing resources across the network without the overhead posed by SOAP based Web services. .NET Remoting is easier to use than Java's RMI, but definitely more difficult than creating a WebService. In this article, we will create a remote object, and access this object using the Interface.
  • .NET Remoting: The Interface ApproachMar 26, 2002. In this article, we will create a remote object, and access this object using the Interface. The object returns rows from a database table.
  • .NET COM Interoperability - Part 1: Using COM Components from .NET FrameworkApr 02, 2002. The DotNet framework exposes COM objects through a proxy called the runtime callable wrapper (RCW). The primary function of RCW is to marshal call between a managed client (.Net) and unmanaged COM object. The runtime maintains a single RCW for each COM object.
  • .NET COM Interoperability - Part 2: Using .NET Component from COMApr 02, 2002. When a COM client calls a DotNet object, the DotNet framework will create a COM callable wrapper (CCW). COM clients use the CCW as a proxy for the managed object.
  • Tutorial: Working with Files and DirectoriesApr 03, 2002. One of the rich experiences in working with .NET is a huge collection of Base Class Libraries .
  • Exocortex.DSP - A C# Complex Number and FFT LibraryApr 08, 2002. Shows how to convert an image from a spatial representation (i.e. picture on the left) to a frequency representation (picture on the right) using a 2D fast Fourier transform.
  • ExoEngine - A C# OpenGL 3D EngineApr 12, 2002. For my fourth year computer graphics course I wrote a little 3D engine using C# and the .NET platform.
  • MP3 JukeBoxApr 30, 2002. This is stable code and more generic than the first release. It has better error handling now to make it more 'idiot proof'.
  • File EncryptionMay 05, 2002. The classes in the .Net Framework cryptography namespace manage many details of cryptography for you.
  • Custom Error Handling in ASP.NETMay 30, 2002. Structured exception handling is a fundamental part of the CLR and provides .Net programmers a great way of managing errors. In addition to CLR exception system, ASP.Net also provides ways of handling errors.
  • Utilizing Assembly Information for Your Automated Splash DialogJun 05, 2002. There are cases when you need to reuse the same splash screen or about box in many applications.
  • Why Object Orientation for COBOL?Jul 08, 2002. Why is Microsoft interested in having so many languages target the new environment?
  • Developing a Windows Control Library - Digital ClockJul 08, 2002. A Windows control library is similar to an Active X Control that you have been developing using VC++.
  • Programming Template in Web Server ControlsJul 15, 2002. Templates play a major role in managing the layout and format of the data being displayed in ASP.NET data bound controls.
  • Writing a Generic Data Access ComponentJul 17, 2002. OK, I've received couple of emails people asking me how can they use a common data provider to access various types of data sources without loosing the power and flexibility of native data provider libraries.
  • Writing a Generic Data Access ComponentJul 17, 2002. I've received couple of emails people asking me how can they use a common data provider to access various types of data sources without loosing the power and flexibility of native data provider libraries.
  • Mastermind Computer Player using Genetic Algorithms in C#Jul 22, 2002. After writing the Genetic Algorithm Article for implementing a Genetic Algorithm in C#, I tried to think of a good example of how to illustrate a real-world use of Genetic Algorithms to illustrate artificial intelligence.
  • dotMSN: .NET Messenger LibraryJul 25, 2002. dotMSN is a class library to make use of the MSN Messenger Service. The library is built in C# and can therefore be used by all languages the .NET environment supports.
  • Macro to Add Strong Names to VS.NET ProjectsAug 06, 2002. When writing class libraries in Visual Studio .NET that are going to be placed into the GAC you will need to add strong name to the assembly. This is normally done by dropping out to a dos prompt and running the .NET utility sn.exe and then updating the assembly to reference the newly created .snk file.
  • Code InternationalizationAug 06, 2002. This is a very simple windows application example for localizing the application. Visual studio .NET makes it pretty simple to create localized applications and manage them.
  • Understanding Garbage Collection in the .NET FrameworkAug 09, 2002. In this article we will explore the Garbage Collection feature in the .Net framework and the activities required in applications to manage resources complementing the Garbage Collector.
  • User Management Utility for Web Form AuthenticationSep 06, 2002. This article deals with the management of user login and password information for a Forms Authentication in ASP.NET.
  • An SNMP Library for .NET FrameworkSep 10, 2002. Snmp.dll is a C# class library for the .NET framework. It has been developed on the Windows platform and may be useful on others also.
  • Platform Invocation Services in .NET FrameworkOct 25, 2002. This article will cover the details of Platform Invocation Services provided in .Net Framework. Platform Invoke Services acts as a bridge between the managed and unmanaged code. This service enables managed code to call unmanaged functions which are being exposed by any dynamic link libraries (DLL’s) such as Win32 API’s or any custom DLLs.
  • Daleks in .NETDec 11, 2002. The other night my girlfriend dragged me down to the NYC Public Library claiming that they had a huge Science Fiction movie section. Admittedly my taste in movies and my wife's taste in movies can vary slightly, however, I was willing to take a chance, given that rentals at the library are free as opposed to $4 at the local video store.
  • The "Using" Statement in C#Dec 11, 2002. The .Net Framework provides resource management for managed objects through the garbage collector - You do not have to explicitly allocate and release memory for managed objects.
  • .NET Flat Control LibraryDec 16, 2002. The attached source code contains a library contains basic flat controls.
  • Cryptography in Microsoft.NET Part II: Digital Envelop and Digital SignaturesDec 18, 2002. Part-I of this article covered cryptography in the context of encryption. This part continues from where part-I left. It assumes that the reader understands the purpose of encryption, knows about the two types of encryption namely asymmetric encryption and symmetric encryption and the fundamental differences between them. It also assumes that the reader understands encryption-decryption classes in System.Security.Cryptography namespace and the stream based encryption model in. NET framework class library (FCL).
  • Cryptography in Microsoft.NET Part III: Digital CertificatesJan 08, 2003. Part-I and II of this article discussed the basics of cryptography and its applications in real world enterprise solutions. Part-I discussed the nitty-gritty of encryption and its implementation in Microsoft .NET Framework Class Library (FCL). Part-II discussed the hashing and signature algorithms and their implementation in FCL. It also discussed the two common cryptography applications namely digital envelope & digital signature.
  • Using Cards.dll in a Windows Control LibraryJan 16, 2003. This project aims at designing a windows control library that encapsulates a playing card.
  • Telnet Scripting in C#Jan 28, 2003. This library, written in C#, expands on some telnet code from various other sources, presenting the caller with a number of functions handy for scripting telnet sessions (i.e. SendMessage, SendAndWait, WaitAndSend, WaitFor).
  • DTS Custom Task in C#Jan 28, 2003. During last year I wrote an article about DTS and how to use it in C#. In that article I stated that I didn’t manage to solve the problem related to CustomTask. Today I finally forced myself to tackle that problem again and here is the result. Writing simple CustomTask in C# is the easiest part.
  • SQL Demo Login in C#Feb 23, 2003. This sample code contains a reusable control that allows you to build a dialog box that queries for SQL-Server connection parameters.
  • Mask Edit ControlMar 05, 2003. This control is a attempt to emulate the Marked Edit control available in VB 6.0. MaskEdit control extends the TextBox System.Windows.Forms.TextBox control available in Microsoft .NET library.
  • ShootDraw: Managed DirectX Application WizardMar 10, 2003. The Managed DirectX Application Wizard has created this "ShootDDraw" project for you as a starting point.This file contains a summary of what you will find in each of the files that make up your project.
  • Iterations and Performance in .NETApr 15, 2003. I’ve been implementing numerical libraries in .NET and have come to some conclusions about iteration performance.
  • FTP Client Library for C#Apr 26, 2003. Finding a fully working, lightweight FTP Client that had no GUI, was free, and came with source was difficult.
  • Liquid Brain using Managed DirectX 9.0May 07, 2003. Liquid Brain is a Managed DirectX animated example of hexagonally close packed spheres.
  • Building Data Access Helper Component for Microsoft SQL ServerMay 13, 2003. In this article I will be going through the development of a class library similar to Microsoft Data Application Blocks.
  • BuckyBalls: An Animated DirectX9 DemonstrationJun 02, 2003. BuckyBalls is an animated Managed DirectX demonstration. A buckyball, or fullerene, is a complex carbon molecule whose full name is buckminsterfullerene. The molecule contains 60 carbon atoms which form what is called a truncated icosahedron. It is shaped like a soccer ball or a geodesic dome, and is named after Buckminster Fuller, the inventor of the geodesic dome.
  • Generating 3D Scatter Plot using C# and DirectXJun 17, 2003. The attached source code sample and article explains how to generate a 3D Scatter Plot using C# and DirectX.
  • Changing the default limit of 25 threads of ThreadPool ClassJun 19, 2003. The Threadpool is useful for managing threads that are usually in a wait state and that take only a short amount of time to do their work. If still you would like to change the default limit of 25 threads then here you go.
  • Airplane War 0.2Jun 24, 2003. This is a very basic flight simulator designed in c# and directx 9 which was released yesterday. It is expected to be buggy but has enough information to allow you to learn about the new directx 9 managed code.
  • Boxing and Unboxing of Value Types : What You Need to Know?Jul 21, 2003. Programmers new to C# can encounter less than ideal performance and even unexpected results due to boxing and unboxing of value types.
  • Export Managed Code as UnmanagedAug 05, 2003. The following Article explains in detail how to use any .NET Assembly from BlitzPlus/Blitz3D.
  • User Controls in Internet ExplorerAug 13, 2003. WinGhost 2.0 application allows you to show and hide applications running on your machine. I find this program useful at my work as I do lot of programming at any given time I can have a bunch windows open. I use it normally to hide just my windows I don't access that often.
  • Gathering a Web Site Users Information in ASP.NETAug 26, 2003. In this article, I will show you how you can collect information about your site visitors using ASP.NET classes.
  • POP3 LibraryAug 29, 2003. This application is written in C# and is multithreaded, the allows the client application to invoke the POP3 library and get the messages, the status and the results of the POP3 events are passed back to the client application using the C# delegates.
  • StatusBars in Real ApplicationsSep 05, 2003. In this article we will investigate the StatusBar control of .NET Framework library.
  • SMTP/POP3/IMAP Client and Server Components LibrarySep 26, 2003. The attached library contains the SMTP/POP3/IMAP client and server components. See the attached help file for more details.
  • SMTP/POP3/IMAP Client and Server Components LibrarySep 26, 2003. One of the least discussed components of .NET is one that has proven quite helpful for me in the development of my enterprise intranet.
  • Meet Microsoft .NETSep 30, 2003. Before writing applications in C#, understanding the .NET is very important. Usually, beginners who are moving to C# don’t care about understanding .NET? In this article, I will try to explain .NET in general and its components.
  • Using the .NET compact FrameworkOct 01, 2003. In this article, we will see how to write a simple .NET Compact Framework application and deploy it onto a device. This article provides a step-by-step instruction on how to write the application.
  • Office11 Solution using .NET - A White PaperNov 25, 2003. This detailed white paper contains the information about Office 11 support for Microsoft .NET. It also explains Office 11 object model and how to access Word and Excel documents using Visual Studio .NET.
  • DNS Client in C#Dec 22, 2003. The attached source project contains the library and source code for DNS client application. This client supports A, MX, and PTR records.
  • Deployment: Customizing your .NET deployment ProjectsDec 29, 2003. The fact of the matter is that Visual Studio.NET already contains everything you need to create a rich setup experience for your users. In this article we are going to show you two ways to add a readme dialog to your application, the easy way and the hard way. The easy way requires absolutely no coding. The hard way requires coding and actually allows you to add complex custom features to your application.
  • Distributed Computing Using .NET RemotingJan 05, 2004. AppDomain is an isolated environment for executing Managed code. Objects within same AppDomain are considered as local whereas object in a different AppDomain is called Remote object.
  • SOAP, .NET, and COM an Introduction - Part IIIFeb 02, 2004. This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
  • SOAP, .NET, and COM an Introduction - Part IIFeb 02, 2004. This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
  • SOAP, .NET, and COM - An Introduction: Part IFeb 02, 2004. This article starts with the basics of SOAP, SOAP XML model and its data types followed by the integration of SOAP functionality in .NET class library and how .NET developers can take advantages of SOAP in their applications.
  • Configuring Publisher Policy FileFeb 20, 2004. Versioning in the Microsoft .NET Framework is managed at the assembly level and is only used when locating strong-named assemblies. By default, the common language runtime loads the assembly whose entire version number matches the version number in the calling assembly's metadata.
  • SQL Server Reporting ServicesFeb 25, 2004. SQL Server Reporting Services is a comprehensive, server-based platform for creating, managing, and delivering reports that contain data from relational and multidimensional data sources. This article explains the features that are supported by SQL Server.
  • XML TransformationsMar 15, 2004. This article shows you how to use XML transformation classes defined in the .NET Framework class library to transform XML data into various user interfaces.
  • Microsoft Application Center 2000 - An IntroductionMar 17, 2004. Application Center 2000 is Microsoft's deployment and management tool for high-availability Web applications built on the Microsoft Windows 2000 operating system. Application Center 2000 makes managing groups of servers as simple as managing a single computer.
  • Go Beyond the Limits of ASP.NET FormMar 22, 2004. One of the most common hitches that ASP developers encounter when they first approach ASP.NET is that managed Web applications must be written according to a single-form interface model.
  • Tablet PC - Frequently Asked QuestionsApr 01, 2004. This article answers some of the frequently asked questions related to Tablet PC and Tablet PC application development.
  • Text Transformation using GDI+ and C#Apr 27, 2004. This article shows you how to use GDI+ classes defined in the .NET Framework class library to apply transformations on text.
  • University Student Registration Application in ASP.NETMay 03, 2004. The aim of this project is to implement a Web application, where students can register for an online course. If the user is an administrator, he can add and remove courses and modify the student information.
  • Creating a Managed Automated Information Agent(mBot)Aug 16, 2004. mBot manages multiple RTC Client objects and exposes interfaces to them via .Net Remoting and .Net Web Services so that they can be managed and used remotely by other .Net applications or from entirely different platforms such as a Java J2EE/SOAP application like Jabber running on Linux or Windows.
  • Remote Data Access LayerAug 24, 2004. The attached source project is a data access layer library and the main idea of developing such a DAL is to separate the database execution from the client/end user and maintain it on the server side, there by reducing the number of direct simultaneous connection to the SQL Server.
  • Writing unsafe code - pointers in C#Oct 13, 2004. In this article I will give a short description of one of the feature of C# which are pointers and so-called unsafe code. This subject is particularly close for C++ programmers. Moreover, it is a feature that we do not find in Java.
  • Generating Random Number and String in C#Nov 19, 2004. The Random class defined in the .NET Framework class library provides functionality to generate random numbers. This article shows you how you can use this class to generate random numbers and strings and even combination of both.
  • Moving C Structures into .NET with Custom MarshalingDec 17, 2004. Microsoft provides several attributes for marshaling C to C#. In our example we will take the case where we have hundreds of structures and only a few API calls, so we only need to generate the marshaled code for the structures.
  • ClickMania GameDec 21, 2004. This is an old game, first implemented in 1996 or so... It has a great addictive power. You will quickly find out the rules. I used the winmm.dll library for playing sounds, the picturebox.Paint event to draw bitmaps in a Picturebox and a recursive function to check the balls next to each other for the colors.
  • An Assignable DateTime Class in C#Jan 11, 2005. Occasionally you run into a structure in the .NET library that you really wish was a class so you can inherit all its existing properties, override the ones you don’t like, and add new properties and methods.
  • SQL Server Reporting ServicesFeb 25, 2005. SQL Server Reporting Services is a comprehensive, server-based platform for creating, managing, and delivering reports that contain data from relational and multidimensional data sources. This article explains the features that are supported by SQL Server.
  • Enterprise Library 1.0Apr 02, 2005. Enterprise Library is a set of tested, reusable application blocks that address common problems developers face when developing enterprise-based applications.
  • Simple XML Parser in C#Apr 05, 2005. This article shows how to create a very simple XML parser.

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