Controls

UWP Controls and Layout

How UWP's layout panels and built-in controls work together, including Grid sizing, RelativePanel, and ListView virtualization.

WinUI 3 Overview

WinUI 3 is Microsoft's native, open-source UI framework for Windows desktop apps, decoupled from the OS and shipped via the Windows App SDK.

ActiveX Controls with MFC

How MFC's COleControl base class and the MFC ActiveX Control Wizard produce reusable OCX controls with properties, methods, events, and property pages, and how…

MFC Controls Overview

A tour of MFC's C++ wrapper classes for Windows common controls, how to bind them via DDX_Control, and practical examples with CListCtrl and CComboBox.

Silverlight Controls

An overview of Silverlight's built-in control library, the ContentControl/ItemsControl hierarchy, and event handling for common interactive controls.

Content Controls in XAML

How ContentControl and its subclasses (Button, Label, Border, ScrollViewer) hold a single logical child via the Content property, and how ContentPresenter and…

Common WPF Controls

A tour of the everyday controls WPF ships with — Button, TextBox, ListBox, ComboBox, ItemsControl and friends — and how their content model differs from WinFor…

Custom Controls and User Controls

Compare WPF's two approaches to building reusable controls — lightweight, composition-based UserControl versus fully templatable, lookless custom Control.

Data Controls: GridView and Repeater

Learn how ASP.NET Web Forms renders bound data using the feature-rich GridView control and the fully customizable Repeater control.

Navigation Controls

See how ASP.NET Web Forms handles site navigation through the Web.sitemap file, SiteMapPath, Menu, and TreeView controls, plus programmatic redirection.

Server Controls

An explanation of ASP.NET Web Forms server controls — HTML server controls, Web server controls, and data-bound controls like GridView — and how they raise eve…

User Controls

Learn how ASP.NET Web Forms user controls (.ascx) let you package reusable markup and code-behind logic into components shared across pages.

Validation Controls

Explore how ASP.NET Web Forms validator controls enforce input rules on both the client and the server before data is processed.

Your First Canvas App

A walkthrough of building a first canvas app using 'Start with data', covering the Browse/Detail/Edit screen pattern, galleries, and saving records with Patch…

State Backends

The pluggable storage engines that determine how and where Flink keeps state during execution and checkpointing.

Common Controls

A tour of MAUI's core display and interactive controls — Label, Button, CollectionView, Switch, and progress indicators — and the patterns that make them MVVM-…

XAML Basics

The essentials of MAUI's XAML syntax — layouts, controls, data binding, and markup extensions — for declaring a page's UI separately from its code-behind logic.

UI Automation

Understand how Power Automate Desktop identifies, targets, and interacts reliably with on-screen controls using selectors, the UI element tree, and fallback ta…

UserForms and Controls

Build custom dialog boxes in Excel VBA with UserForms and their controls — text boxes, combo boxes, command buttons and more — and wire up their events to crea…

Windows Forms Basics

Get started with Windows Forms in VB.NET — forms, controls, the visual designer, event handling, layout, and the form lifecycle.

Consumer Prefetch and QoS

Learn how RabbitMQ's basic.qos prefetch setting controls how many unacknowledged messages a consumer can hold at once, balancing throughput, fairness, and memo…

Proxy Pattern

The Proxy pattern provides a surrogate or placeholder object that controls access to another object, adding a layer for lazy loading, access control, caching,…