What is XAML in WPF? Explained with Simple Examples

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In this article, we’ll dive into one of the core building blocks of WPF — XAML. We’ll explore how it works and why it plays such an important role in building modern desktop applications. What is XAML? XAML stands for eXtensible Application Markup Language. It’s a markup language used to design the user interface in WPF applications. XAML allows developers and designers to work separately, making the code cleaner and easier to manage. Think of it as HTML for WPF apps. XAML Syntax XAML uses XML-style syntax. Every UI element is an XML tag. Attributes define properties like height, width, and content. You can also nest elements inside others to create more complex layouts. For example, placing a TextBlock inside a Grid layout. <Grid>     <TextBlock Text="Hello, WPF World!"                 Width="200"                 Height="50"              ...
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what is ConcurrentDictionary?

ConcurrentDictionary is one of five collection classes introduced in .NET 4.0. It exists in System.Collections.Concurrent namespace.ConcurrentDictionary is thread-safe collection class to store key/value pairs. ConcurrentDictionary can be used with multiple threads concurrently. Without ConcurrentDictionary class, if we have to use Dictionary class with multiple threads, then we have to use locks to provides thread-safety which is always error-prone.ConcurrentDictionary provides you an easy option. It internally manages the locking gives you an easy interface to add/update items. ConcurrentDictionary provides different methods as compared to Dictionary class. We can use AddOrUpdate, GetOrAdd ,TryAdd, TryUpdate, TryRemove, and TryGetValue to do CRUD operations on ConcurrentDictionary.

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