C# Corner

Resources  
  • Meal Scheduler in C#May 04, 2000. This service reminds you when it time to eat your lunch, BF or dinner.
  • Graphics Animation SampleMay 16, 2000. After finishing a text program (lottery) its time for some fun. Everytime a have to work with a new language.I write a small program to bounce some balls in a box.
  • PaintBrush in C# - IIJan 30, 2001. This is a PaintBrush Application. In this Paintbrush user can draw some images and he can save the images in a persistence storage and later time can retrive the images.
  • Reflection in .NETFeb 26, 2001. Refelction is the mechanism of discovering class information solely at run time. Wondering where it would be useful?
  • ADO Vs ADO.NET Web ServiceMar 22, 2001. In this example I'd like to demonstrate one of the most interesting features of the .NET runtime - the concept of Webservices.
  • Accessing .NET Components from COM Clients and COM components from .NET ClientsMar 26, 2001. In this article I am going to explain how to access a .NET component from a COM client and accessing COM from .NET clients.
  • Text to HTML ParserApr 05, 2001. If you have been into developing Web Applications then you might have at many times experienced that when you display multiple lines of data from a database you loose the spacing or formatting between multiple lines of data.
  • Protecting IL Code from unauthorised DisassemblingApr 09, 2001. Microsoft .NET proved a mechanism where the code written in VB.NET, C# or any CLS compliant languages to generate MSIL (Microsoft Intermediate Language)code which targets the CLR and executes. This is an excellent mechanism to abstract the high level code from the underlying hardware.
  • Compilation and Runtime Execution of a C-Sharp ProgramApr 10, 2001. C-Sharp (C#) is a strongly typed object-oriented programming language designed to give optimum composition of simplicity, expressiveness and performance.
  • 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.
  • Auto CompilerMay 05, 2001. This is a utility to make it easier to compile from the command line. One of the problems with using the command line.
  • A Lottery Program in C#May 05, 2001. I am learning C# in any spare time I have and instead of diving in and writing a monster program I thought a nice introduction would be good.
  • .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).
  • Ouch! There is a Hook in My C#May 15, 2001. As an extension to the J++ design practice, C# has a syntactic construct, called Attributes, which let you drop hooks to Windows API or modify the runtime semantics, like threading synchronization behavior. The C# has legalized the hooking practice by calling them Attributes, and including them in ECMA C# specification.
  • Working With Process ClassMay 22, 2001. This article is aimed at introducing the novice .NET developer to the basic usage of System.Diagnostics services included in the .NET BCL.
  • Graphics Animator in C#May 26, 2001. This program will generate a html page with animated gif. You just need at least 2 gifs and use the program to set the time to display each image.
  • Creating Run-Time Menus in C#Jun 14, 2001. Sample example on how to create runtime menus.
  • Time TickerJun 26, 2001. Graphics Class encapsulates a GDI+ drawing surface. The FromHWND method is used to create a new instance of the Graphics class from a window handle. Clear method fills the entire drawing surface with the specified RGB color by using Color class. DrawString method draws a string using Font and SolidBrush classes.
  • IL "The Language of CLR" - A Platform for Cross-LanguageJun 28, 2001. This article introduces the Cross-Language capabilities of CLR environment (Common Language Runtime Environment) and its constituent language IL (Intermediate Language).
  • Synchronization in Parallel threadsJul 02, 2001. The Threads makes us able to run multitasks at a time. In fact Computers (John von Neumann Architecture) don't execute the tasks parallel .The OS gives threads permission (depend on thread priority) to work on CPU. The sufficient degree of parallelism keeps the CPU busy and it is efficient.
  • Net DDE to DOTNET RemotingJul 02, 2001. This article travel through time to trace the genesis of Dot Net Remoting right from RPC to RMI till SOAP.
  • Time Ticker2Jul 04, 2001. Microsoft had made lot of Changes for Beta2, some of the changes are old Namespace such as System.WinForms modified to System.Windows.Forms. In addition no. of new Namespaces like Microsoft.CSharp, Microsoft.JScript, Microsoft.Vsa etc...
  • .NET Brings The Fun Back to ProgrammingJul 11, 2001. Today, we are all comfortable sitting in front of our high powered computers running graphical user interfaces and compiling code in sophisticated development environments.
  • .NET is the FutureJul 19, 2001. This has been a long time in coming. I couldn't write any more article because of some problems but finally I thought I should talk about the future of .NET. The reason is very simple, I'm getting almost 50 mails a day in my inbox just asking about the future of .NET and the comparison with other technologies. So I'm presenting my own views about the future possibilities of this technology.
  • Eater Game in C#Jul 31, 2001. This is a simple game written in C# in which the user moves a packman like player around the form and gobbles up red dots. The object is to get all the dots in as quick a time as you can.
  • Run-Time Menus in C#Aug 20, 2001. The following example demonstrates how to create menus on the fly.
  • Web Services between .NET, Java and MS SOAP Toolkit: Part IAug 24, 2001. 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.
  • A Vision Regarding .NETAug 27, 2001. The present enterprise setup's need to have n-tire architecture with diverse platforms and object models communicating with each other. The present applications are to be created such that those applications have to run in any platform (like Windows, Linux, Mac , Unix etc) and which consist of components written in many programming languages and object models.
  • Live News feed For Mobile SiteSep 05, 2001. Current News are read from a text file, which is being updated regularly after certain interval time.
  • Calendar Using DateTime ClassSep 05, 2001. The console based calendar program is a which when run shows current month's calendar using the C# Date Time Class.
  • How to By Pass ProxySep 10, 2001. There are many like me who are behind the Proxy and many time you are not able to use the recent Data in your Program from Web as your are not able to retrieve that data because of Proxy coming in between.
  • A Quick View From C/C++ to C#Sep 10, 2001. This article provides a quick overview of the C/C++ and C# languages.
  • Web Based Front-End for SMTP Email ProgramSep 14, 2001. I have written a web based front end for SMTP email program. I have compiled it into a DLL.
  • using Array Class and IEnumeration in C#Sep 14, 2001. This article illustrates the usage of Array class and IEnumerator. Array class Provides methods for creating, manipulating, searching and sorting arrays, thereby serving as the base class for all arrays in the common language runtime.
  • TCP Client and ServerSep 20, 2001. You need to compile the server and the client programs separately. Before compiling, change the IP address in both programs to match that of your machine (NOTE: You can get IP address of your machine if you run 'ipconfig' from the command prompt in Windows NT/2000 m/c's)
  • Real Time ApplicationOct 02, 2001. The Real time Application is a sample that shows the communication techniques between a client (TcpClient) and a server (TcpServer) application using Socket class on each side. The project also demonstrates how to using listview control in the real time project.
  • Understanding Properties in C#Oct 15, 2001. In C#, properties are nothing but natural extension of data fields. They are usually known as 'smart fields' in C# community.
  • Exception Handling in C#Oct 17, 2001. Exception handling is a builtin mechanism in .NET framework to detect and handle run time errors.
  • Inheritance and PolymorphismOct 29, 2001. By using the concept of inheritance, it is possible to create a new class from an existing one and add new features to it.
  • Introduction to Pocket PCOct 31, 2001. At the time of writing (Oct 2001) Microsoft has shipped Pocket PC 2002 and also has just released the Visual Studio .NET add-on for Pocket PC called the compact framework.
  • FlashCards Language Program : How to read and save Images in a Sql Server Database using ADO.NETNov 09, 2001. I thought it would be fun to write a simple program that displayed flashcards from a database and at the same time, show you how to read and write images to the database. This program is a simple flashcard program that talks to a single table in a Sql Server Database.
  • Adding Controls to Windows Forms at RuntimeNov 13, 2001. In this example I'll show how one can create and add controls to their Windows Forms at runtime.
  • Creating a User Control: .NET Toggle ControlNov 16, 2001. This is a C# User Control which re-creates the toggle used by XML, HTML, etc. files in the .NET Developer Studio. Just compile the control and drag it onto a form from the Windows Form Toolbox.
  • 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.
  • 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.
  • Developing a Record Navigation Form with Unbound ControlsDec 26, 2001. Developing a record navigation form with unbound controls. The form enables you to navigate through the records one at a time. In this application we have used a combo box, two text boxes and various command buttons.
  • Overview of Automated TranscationsJan 04, 2002. Two or more .NET Framework objects can participate in the same transaction. One or more .NET Framework objects can participate in the same transaction as one or more COM+ objects. All objects must be hosted in Microsoft Windows 2K Component Services so as to receive services such as transaction processing.
  • C# and .NETJan 07, 2002. It is sometimes important to know the details of what the compiler does. You may want to know whether constants are evaluated at compile time, or whether constant strings are folded at compile time.
  • Chat Server with Client Implemented with C#Jan 19, 2002. This client/server application let you chat ....
  • Interrogating System with WMI - Part 2Jan 24, 2002. After my last article on WMI it was time to get serious. WMI or Windows Management Instrumentation is useful on a local machine to produce a WINMSD type program but using it across a network makes it even more useful.
  • .NET Framework and Web Services - Part 1Jan 28, 2002. The .NET Framework is a new computing platform designed to simplify Windows application development in the highly distributed environment of the Internet. Common Language Runtime (CLR) is the Heart of the .NET Framework.
  • World Weather Update on Your MobileFeb 04, 2002. In this article, I would like to discuss the "Weather Update" on Your Mobile.
  • VS.NET Tools Intermediate Language Disassembler (ILDAM)Feb 06, 2002. "The ILDSAM tool parses any .NET Framework EXE/DLL Module and shows the information in a human-readeble format"
  • Creational Pattern - Abstract FactoryFeb 11, 2002. An abstract factory provides an interface for creating families of related objects without specifying their concrete classes. Sometimes one wants to construct an instance of one of a suite of classes, deciding between the classes at the time of instantiation.
  • World Clock Using Windows FormsFeb 11, 2002. I developed a C# application for finding World Timings given the US Central Timing.
  • FlashCards Language Program : How to read and save Images in a Sql Server Database using ADO.NETFeb 19, 2002. I thought it would be fun to write a simple program that displayed flashcards from a database and at the same time, show you how to read and write images to the database. This program is a simple flashcard program that talks to a single table in a Sql Server Database.
  • Buliding A WAP SiteFeb 27, 2002. In this Article I would like to share my views about Pagibnatioon and how to use Pagination in Mobiles Forms.
  • Create a SQL Server Database dynamically in C#Mar 05, 2002. In this article, I’ll show you how to create a new SQL Server database and its objects such as table, stored procedures, views and add and view data. I’ll also show you how to change database table schema programmatically. You’ll see how SQL statement ALTER TABLE is useful when you need to change a database table schema programmatically.
  • Reflecting Data to .NET Classes: Part I - From HTML FormsMar 06, 2002. Reflection allows us to examine internal details of assemblies and classes at runtime (programmatically).
  • Multi-threaded Web Applications - Case II: Port ScannerMar 12, 2002. This article continues the 4-parts series of Multi-threaded Web Applications. In the first part, I have demonstrated how you can use multi-threading with ASP.NET to make a web based search engine more responsive, and to reduce the time required to compose the result. In this article, I will demonstrate how you can apply the same technique to a web based port scanner.
  • Adding Controls to a DataGrid at RuntimeMar 19, 2002. This article below sheds some light in above area i.e. user can add any control based on his/her choice and can use it to edit the details in the data grid.
  • Prototype PatternMar 22, 2002. The Prototype pattern is used when creating an instance of a class is very time-consuming or complex in some way.
  • Real-time Message Logging Utility - Part 1Apr 01, 2002. A message logger is a utility that helps in logging the messages thrown from functions/programs. It is useful in critical applications as it helps to know the time taken by a function to execute, the time that the function remained idle and any messages that the function wants to be logged for further analysis.
  • .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.
  • Tracking Time in a Window ApplicationApr 15, 2002. The program reads from an XML file to get the data about names and birth dates, so it is easy to add or remove names without changing the code in case my son decides the program should include his pet dog or turtle.
  • A Database Component: Inserting Serializable ObjectsApr 23, 2002. The attached zip file contains two projects - a database component (DLL) project and a Windows forms project called Test. Both projects are written and compiled using Visual Studio .NET version 1.0.
  • Application Data Utility ClassApr 24, 2002. Attached is a ZIP file containing the source-code and compiled DLL of the "Application Data Utility Class".
  • C# Corner Logo: 3D GDI+ EffectMay 10, 2002. "It's time to redesign the logo. Let's do some 3D work here". That's what Owen said an hour ago. And after that he drew a 3D C# logo on the board.
  • .NET Performance Counters, Part 1: Predefined CLR Performance CountersMay 13, 2002. In this article, I will describe what a performance counter is and introduce you to the predefined counters that you can use to monitor the state of the CLR while your applications run.
  • Mastermind Game with Drag and Drop FunctionalityMay 15, 2002. There as nice article some time ago on this site for creating mastermind game by Mike Gold. I am rewriting complete game from scratch to implement Drag and Drop feature and presentable User interface.
  • Trace Utility to Trace IP Packet PathMay 16, 2002. Trace utility traces the path of an IP packet. To understand the process, its important to understand ICMP protocol we are going to use for this purpose.
  • Display and Hiding SIP on a Pocket PCMay 21, 2002. When you get your hands on a Pocket PC for the first time you have to wonder just how the heck do you enter information?
  • Save and Restore Setings of a .NET Form using XMLMay 28, 2002. Even though there are advantages to writing to the registry, there are times when a programmer does not want to impact anything outside of the directory where the program resides.
  • Configuring Applications in .NETJun 06, 2002. The .Net Framework provides a very convenient and flexible way to configure applications at run time.
  • Communication Between Two Forms: Part-IIJun 24, 2002. Last time I wrote about the possibility of sending a string from a textbox in one form to another.
  • Editable ListBox ControlJul 01, 2002. A ListBox is a read-only list of items. But let us suppose your application needs to edit an item in a listbox at runtime.
  • Writing a Single Event Handler for Multiple ControlsJul 22, 2002. Writing a Single Event Handler for Multiple Controls by Giuseppe Russo. Jul 22, 2002. I have noticed that in many articles, I read, people use a longer method of clearing many textboxes, as well as handling more than one control at the same time.
  • Using Visual Studio .NET to Build and Deploy ApplicationsJul 29, 2002. No matter how much time you spend designing your application there is one key stage where it can all fall apart, the build and deployment stage.This is a first in a series of articles in which I am going to demonstrate how to use Visual Studio .NET.
  • CoolLayout .NET: A Windows Forms ComponentAug 02, 2002. CoolLayout.NET is design time enabled .NET component which helps to create professional forms with no coding efforts.
  • Validation Server Controls in Web FormsAug 05, 2002. When working with Web applications, developers need to write two separate codes using Java Script and VB Script to validate user inputs.In this article we are going to see, how we can reduce the programmers effort on coding, reducing the execution process time and simplify the code handling and less number of lines in the coding.
  • 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.
  • Static Constructor in C# and their Usages.Sep 09, 2002. Static constructor is used to initialize static data members as soon as the class is referenced first time, whereas an instance constructor is used to create an instance of that class with <new> keyword.
  • Eater Game II - The Stone MazeOct 02, 2002. This program combines the designs of the Eater Game and the Maze Generation Program to create a more challenging game, Eater Game II. In this game, you move a pacman-like character through a maze and eat as many stones as you can before time runs out. You have a minute and a half to try to eat stones before the pac-man simply freezes-up and accepts his quota of stones.
  • Printing Directly to the PrinterOct 21, 2002. Using this code enables you to print directly to the printer using WIN32 api calls and therefore should enable you to print at maximum speed rather than relying in the Windows Printing subsystems.
  • Drawing Shapes using ThreadingOct 25, 2002. This is simple multi-threading program that draws circles and rectangles. Each shape is handle by individual thread that created every time you press start button. Using sleep method on each thread we can change the speed of each shape.
  • 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.
  • Cryptography in Microsoft.NET Part I: EncryptionDec 12, 2002. Microsoft .NET has pre-built solutions to all of these in each application domain, viz., ASP. NET, Web Services, Serviced Component etc. It enables building secured application by simple configuration as in ASP.NET to full fledged programmable security as in code access security and Cryptography.
  • Cryptography in Microsoft.NET Part I: EncryptionDec 12, 2002. In this article, Gowry sheds lights on the basics of cryptography and how it can be implemented in .NET.
  • Dynamic Code Generation and Code CompilationDec 16, 2002. This is a simple application for generating the code dynamically and compiling it dynamically.
  • An Introduction to C#Jan 16, 2003. This tutorial explains the basics of C#, a modern Object Oriented Programming language that was designed by Anders Hejlsberg at Microsoft.
  • Using Cards.dll in a Windows Control LibraryJan 16, 2003. This project aims at designing a windows control library that encapsulates a playing card.
  • Implementing Design Patterns in C# - Singleton PatternJan 23, 2003. There are times, when one need to have a class which can be only instantiated once. Singleton Design Pattern addresses to such situation by providing a design for such classes (known as Singleton class).
  • Run Time CompilerFeb 07, 2003. In this article, I am going to discuss how to take a string then compile it and then how you execute it.
  • Pro Developer: This is BusinessFeb 25, 2003. I've been paying the rent as a professional software developer since the 80s. I've also worked both full time and part time as a musician for longer than that. In my travels, I've come to recognize a great many similarities between programmers and musicians. Both have the fire, passion and soul of the artist. And all too often, both are incredibly naïve when it comes to the business end of things. Business - you know, that aspect of your work where they actually pay you at the end of the day?
  • Developing Secure Web Sites with ASP.NET and IIS: Part IMar 04, 2003. Developing security for a site is like paying tax. You know it should be done at the end of financial year. But you keep it for the last and some time expect you should never have to do it. It is a similar kind of situation when building a web site. There are some web sites available to general public that can be access by any one. The security for these sites can be minimum or none at all. There are some web sites that publish and hold important information that have to be secure one way or another.
  • Execution-Time Code Generator for C#Mar 06, 2003. The Common Language Runtime provides a new way of doing things. The compile-time world still exist, but it is also possible to build dynamic systems where new code is added by loading assemblies or even by writing custom code on the fly.
  • Remote Objects: Part IIMar 12, 2003. This article shows how to create a remote server and MDI window Remote Client using remote object. The remote server can be used as Auction Server and Real Time Data and News Server.
  • Use Thread Local Storage to Pass Thread Specific DataMar 18, 2003. The specific thread level storage is known as thread local storage or TLS for short. The .NET threading namespace allows .NET developers to use TLS from within their multi-threaded applications to store data that is unique to each thread.
  • MWLabels and MWScrolllabels v3.0Apr 14, 2003. MWLabeland MWScrollLabels are back (v3.0). This time you can choose which StringFormat you want to use: traditional GenericDefault or GenericTypographic. GenericDefault is like a normal Label and GenericTypographic is what has been used in the previous versions of MWLabel and MWScrollLabel.
  • C# Video PokerApr 14, 2003. This Video Poker game is an imitation of a casino Video Poker machine. It is written using Windows Forms.

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