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Windows Forms text boxes are used to get input from the user or to display text. The TextBox control is generally used for editable text, although it can also be made read-only. Text boxes can display multiple lines, wrap text to the size of the control, and add basic formatting. The TextBox...
By Sanskruti
Last Message By donor
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Introduction
LinkedList is a general-purpose linked list. It supports enumerators and implements the ICollection interface.It is a true linked list with separate nodes of type LinkedListNode, so insertion and removal are O(1) operations.
Lists that contain reference types perform better if...
By Sanskruti
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Introduction
An event is a message sent by an object to signal the occurrence of an action. The action could be caused by user interaction, such as a mouse click, or it could be triggered by some other program logic. The object that raises the event is called the event sender. The object that...
By Sanskruti
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Introduction
Commenting in any programming langauge is important part of development because it helps understanding the code better and supplements when working as a part of the large team and so C# being a langauge of the modern era has some of the best support any project needs as far as the...
By Sanskruti
Last Message By naimish
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Generics are the most powerful feature of C# 2.0. Generics allow you to define type-safe data structures, without committing to actual data types. This results in a significant performance boost and higher quality code, because you get to reuse data processing algorithms without duplicating...
By Sanskruti
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If you program in more than one language, sometimes you want to use an phrase or expression from one language in the other, when it does not exist you have to invent it for that language. Nested functions are functions defined within functions. They can be useful for compartmentalizing behavior...
By Sanskruti
Last Message By rekha11
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Introduction
Exceptions are unforeseen errors that happen in your programs. Most of the time, you can, and should, detect and handle program errors in your code. For example, validating user input, checking for null objects, and verifying the values returned from methods are what you expect, are...
By Sanskruti
Last Message By aussiedude
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If you go through any standard C# books you will see the constructors and so I would not get into the details of the constructors but what is more important to me is the use of static constructors which is somethine new in C# or you can say that its a copy of initiliazation block in Java.
...
By Sanskruti
Last Message By donor
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Background
In C#, programmer has no control on when the destructor is going to be executed because this is determined by the Garbage Collector. The garbage collector checks for objects that are no longer used by the application and calls the destructors of all the objects and reclaims the memory...
By shabbir
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When I started on Drag and Drop in C# I could not find much on the net and so I have decided to tackle the problem here. First follow the steps to see the working sample.
1. Create a new C sharp windows application. Rename Form1 to a suitable name. I would refer it as TestForm
2. Add a treeview...
By shabbir
Last Message By shabbir
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Introduction
Sometimes you have data with a 1:1 relationship between the key and values and you need to put them into a Hashtable for easy retrieval and later realize you need to look up the keys from the values in the table. I came across such a problem for a combo box item displayed and actual...
By shabbir
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Background
As in other langauges When you derive a class from a base class, the derived class will inherit all members of the base class except constructors, though whether the derived class would be able to access those members would depend upon the accessibility of those members in the base...
By shabbir
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Introduction
The parser gives you a place to start to write an XML parser in C#. We have used the System.Xml.
The code
public void ParseFile(string strPath)
{
XmlTextReader xmlReader = new XmlTextReader(strPath);
int iTab = 0;
By shabbir
Last Message By lovepc
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In my old MFC programming days we used to track the problems using the OutputDebugString and I have written my own version of OutputDebugString which accepts multiple arguments. When I started C# and .NET I wanted to know how can I do this in C sharp as well and remember that it should be as simple...
By shabbir
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System.Windows.Forms.Timer
1. It's a forms-based timer.
2. After creating it, you can set the interval which elapses between ticks using the Interval and hook up a delegate to its Tick event.
3. Calling Start and Stop methods, start and stop of the timer.
4. It runs entirely on the...
By shabbir
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Introduction
Whenever you generate a new C# Windows Application using the .NET IDE you have the following lines in the main of your program in program.cs file. Did you ever try to note what are these and what do they do. If not I will explain to you the meaning of each line.
...
By shabbir
Last Message By shabbir
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Introduction
Classes and structs can be restricted so that only the program or namespace they are declared in may use them. Class members can be restricted so that only derived classes can use them, or restricted so that only classes within the current namespace or program can use them. Access...
By shabbir
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Delegate.Invoke
Delegate.Invoke is used to execute a delegate on the current thread. A delegate is just a reference to a function or method, and Delegate.Invoke is the mechanism to call this function or method (similar to a normal function call).
Delegate.BeginInvoke
Delegate.BeginInvoke...
By shabbir
Last Message By varunjoshi
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1. Take a new C# Dll project
2. Add a new windows console application project to the solution
3. Add the following to the Dll project.
namespace BasicRefDll
{
public class SampleClass
{
/// <summary>
/// Shows the message box
/// </summary>
By shabbir
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Introduction
I happen to edit the collections many times in the foreach loop and run into problems and then each time I got a different solution when going to Google, So first I would try to list each of the solution and then discuss them so that we all can have the best practice in the...
By shabbir
Last Message By shabbir
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