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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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How to create Expandable TextBox in Wpf

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Step 1: Right click on project Step 2: Click on Add and select New Item Step 3: Search for Custom Control Step 4: Select Custom Control(WPF) Step 5: Write ExpandableTextBox in Name and click on Add It will create one class with the Name ExpandableTextBox with following code: namespace CustomControl.Controls { public class ExpandableTextBox : Control { static ExpandableTextBox() { DefaultStyleKeyProperty.OverrideMetadata(typeof(ExpandableTextBox), new FrameworkPropertyMetadata(typeof(ExpandableTextBox))); } } } It will also create a folder called Themes inside this folder it will create ResourceDictionary with the Name Generic with folowing code: Generic.xaml <ResourceDictionary xmlns:local="clr-namespace:Wpf" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"> <Style TargetType="{x:Type local:ExpandableTextBox...
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