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Csharp Articles
Page 194 of 196
Initialization vs Instantiation in C#
Initialization When you assign a value to a variable when it is declared, it is called Initialization. Here is an example − int val = 50; For array initialization, you may need a new keyword, whereas to initialize a variable, you do not need it. Instantiation When you create a new object in C# for a class using the new keyword, then it is called instantiation. Use the new operator to instantiate a class in C#. Here is an example showing two objects of Student class created using new keyword − Student s1 = new Student(); Student s2 = new Student();
Read MoreC# equivalent to Java's Thread.setDaemon?
C# equivalent to Java's Thread.setDaemon is the concept of foreground and background threads. When the foreground threads will close, the background threads will be terminated. Foreground threads continue to run until the last foreground thread is terminated. The property used for background thread is IsBackground that gets or sets a value indicating whether a thread is a background thread. The default value of this property would be false because the default threads created are Foreground Threads. To make a thread Daemon in C#, use the isBackground − Thread bgThread = new Thread(tStart); bgThread.IsBackground = true; bgThread.Start();
Read MoreHow to compile unsafe code in C#?
For compiling unsafe code, you have to specify the /unsafe command-line switch with command-line compiler. For example, to compile a program named one.cs containing unsafe code, from command line, give the command − csc /unsafe one.cs Under Visual Studio IDE, enable use of unsafe code in the project properties. The following are the steps − Open Project properties by double clicking the properties node in the Solution Explorer. Click on the “Build” tab. Select the option "Allow unsafe code".
Read MoreDifference between Abstract Class and Interface in C#
Interfaces define properties, methods, and events, which are the members of the interface. Interfaces contain only the declaration of the members. It is the responsibility of the deriving class to define the members. Abstract classes to some extent serve the same purpose, however, they are mostly used when only few methods are to be declared by the base class and the deriving class implements the functionalities. Let us now see the difference between Abstract class and Interface in C#. Inherit A class may inherit more than one interface, whereas a class may inherit only one abstract class. Member Field You ...
Read MoreDifference between Boxing and Unboxing in C#
Boxing convert value type to an object type whereas unboxing converts object type to the value type. Let us see the difference between Boxing and Unboxing in C#. Storage In boxing, the value stored on the stack is copied to the object stored on heap memory, whereas unboxing is the opposite. In Unboxing, the object's value stored on the heap memory is copied to the value type stored on stack. Conversion Unboxing has explicit conversion whereas boxing has implicit conversion. Example int a = 10; object obj = a; // boxing int b = (int) ob; // unboxing
Read MoreDifferences between C++ and C#
C++ is a statically typed, compiled, general-purpose, case-sensitive, free-form programming language that supports procedural, object-oriented, and generic programming. C++ is regarded as a middle-level language, as it comprises a combination of both high-level and low-level language features. C# is a simple, modern, general-purpose, object-oriented programming language developed by Microsoft within its .NET initiative led by Anders Hejlsberg. The following are the differences between C++and C#. Memory Management C++ has manual memory management, whereas memory management is handled automatically in C#. Platforms C++ can be run on different platforms whereas C# is generally used only on Windows. Faster code C++ code ...
Read MoreDifferences between C and C#
C is a general-purpose, high-level language that was originally developed by Dennis M. Ritchie to develop the UNIX operating system at Bell Labs. C was originally first implemented on the DEC PDP-11 computer in 1972. C# is a simple, modern, general-purpose, object-oriented programming language developed by Microsoft within its .NET initiative led by Anders Hejlsberg. The following are the differences between C and C#. Language C language is a structured programming language, whereas C# is an object-orinted language. Memory Management C has manual memory management, whereas memory management is handled automatically in C#. Garbage Collection C do not have ...
Read MoreComparison between C# and .NET Framework
C# is a programming language and .NET framework is a software framework developed by Microsoft. .NET has Common Language Runtime (CLR), which is a virtual component of .NET framework. And framework is a large class of library. .NET not only has C#, but through it, you can work with VB, F#, etc. Programs written for .NET Framework execute in Common Language Runtime. .NET Framework supports development in C#. C# is a part of .NET and has the following features − Boolean Conditions Automatic Garbage Collection Standard Library Assembly Versioning Properties and Events Delegates and Events Management
Read MoreEvents vs Delegates in C#
C# events are used to resolve the hassles in Delegates. One an easily override Delegate properties and that can eventually lead to errors in the code. To avoid this, C# uses Events and defines wrappers around Delegates. Events in C# To use Event, you should define delegate first. Event is a type of Delegate and an example of event can be when a key is pressed. public delegate voide Demo(String val); public event Test TestEvent; An event can hold a delegate like this. this.TestEvent += new Demo (DemoData); ...
Read MoreCounters in C#
Counters in C# are performance counters that lets you know about your applications performance. When you will build an application, whether it is a web app, mobile app or even desktop app, you would definitely need to monitor the performance. For performance counters in C#, use the System.Diagnostics.PerformanceCounter class. Set the instance of the PerformanceCounter class and work with the following properties: CategoryName, CounterName, MachineName and ReadOnly. To get the performance categories. var counter = PerformanceCounterCategory.GetCategories(); Now SET performance counters for the category processor. var counter = PerformanceCounterCategory.GetCategories() .FirstOrDefault(category => category.CategoryName == "Processor");
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