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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 TabControl using Prism Region

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MainWindow <metro:MetroWindow x:Class="PrismDemo.Views.MainWindow"         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"         xmlns:local="clr-namespace:PrismDemo.Views"         mc:Ignorable="d" xmlns:prism="http://prismlibrary.com/"         Title="MetroPrismDemo"         xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls">     <Grid>         <TabControl Margin="5" prism:RegionManager.RegionName =" TabRegion "                   VerticalAlignment="Stretch" HorizontalAlignment="Left" Bord...
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How to create TextBox in wpf that does not accept number using MVVM?

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Method 1: Using Model Property Inside View <TextBox Width="200" Text="{Binding MainWindowModel.NonNumeric,UpdateSourceTrigger=PropertyChanged}"> Inside Model  private string _nonNumeric;         public string NonNumeric         {             get { return _nonNumeric; }             set             {                 int intvalue;                 if (!int.TryParse(value[value.Length - 1].ToString(), out intvalue))                     SetProperty(ref _nonNumeric, value);                 else                     value = _nonNumeric;             }         } M...
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How to create Own Semaphore?

 class CustomSemaphore     {         private Mutex[] arrMutex;         // place holder to store thread to mutex mapping         private Thread[] arrthread;         // number of threads allowed to access the resources         private int threadLimit;         // contructor creates the mutexes         public CustomSemaphore(int threadLimit)         {             this.threadLimit = threadLimit;             arrMutex = new Mutex[this.threadLimit];             arrthread = new Thread[this.threadLimit];             for (int i = 0; i < this.threadLimit; i++)             {                 arrMutex[i] = new Mutex()...
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Write a method for division of two number without using division (‘/’) operator in C#.

    void DivideWithoutDivisionOperator(int divident,int divisior)         {             int quotient = 0;             bool isNegative = false;             if (divident < 0)//if negative             {                 divident = -divident;//make positive                 if (divisior < 0)//if negative                     divisior = -divisior;//make positive                 else                     isNegative = true;             }             else if (divisior < 0)//if negative             {      ...
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Filter DataGrid and ListView in wpf using ICollectionView

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EmployeeDetails.xaml <UserControl x:Class="PrismMain.Views.EmployeeDetails"         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"         xmlns:local="clr-namespace:PrismMain.Views"         mc:Ignorable="d"        >     <Grid HorizontalAlignment="Stretch" VerticalAlignment="Top" Margin="0,50,0,0">         <Grid.RowDefinitions>             <RowDefinition Height="50"/>             <RowDefinition Height="*"/>             <RowDefinition Height="*"/> ...
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