The HttpClient class in C# serves as a session for making HTTP requests. An instance of HttpClient holds a collection of settings applied to all requests originating from it. Importantly, each HttpClient instance manages its own connection pool, isolating its requests from those made by other HttpCl...
This article demonstrates how to create a WebSocket server using SuperSocket 2.0 with a fixed header protocol. The implementation leverages several key components including PackageInfo, PackageMapper, IAsyncCommand, WebSocketSession, and MiddlewareBase to construct a fully functional WebSocket serve...
Copy Semantics Overview Object copying is a fundamental concept in C# that frequently appears in technical discussions and interviews. All .NET types inherit from System.Object, which provides a protected method MemberwiseClone() that performs what is known as a shallow copy. Shallow Copy A shallow...
Parent-Child Form Communication 1. Pass Values with Public Static Variables Main form (MainForm) code: public partial class MainForm : Form { // Declare a public static variable to hold station ID public static string stationId = string.Empty; // Assign value to the static variable during initializa...
Topic exchanges enable flexible messsage routing using wildcard patterns. The binding keys support two special chaarcters: * matches exactly one word, while # matches zero or more words. Publishing Messages with Topic Exchange public void PublishTopicMessages() { var connectionHelper = new MQHelper(...
XML files serve as excellent configuration sources due to their human-readable structure. Unlike INI files, XML supports complex nested configurations including lists and hierarchical data structures, providing greater flexibility for application settings. Working with XML in C# The System.Xml names...
MemoryMappedFile in .NET The MemoryMappedFile class serves as the foundation for shared memory operations in .NET. Creating a shared memory segment requires specifying a unique name and size allocation. // Initialize shared memory segment MemoryMappedFile mappedFile = MemoryMappedFile.CreateNew(mem...
SQLite Overview SQLite is a lightweight, ACID-compliant relational database management system contained within a small C libray. Originally created by D. Richard Hipp as a public domain project, SQLite was designed for embedded applications and has been widely adopted in numerous embedded products....
Loading Images with File Dialogs in WPF WPF applications frequently need to load and display images from the file system. The Microsoft.Win32 namespace provides the OpenFileDialog class, which integrates seamlessly with the Windows file browsing experience. OpenFileDialog Implementation The OpenFile...
A Practical Problem Scenario Consider developing a library for plotting mathematical functions on a coordinate plane. The system needs to handle various function types including linear functions (f(x)=mx+b), quadratic functions (f(x)=ax²+bx+c), and trigonometric functions (f(x)=asinx+b). Each functi...