Add demo

Add demo

Author: JeganRavichandran

MultiselectComboBox/MultiselectComboBox.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.1.31911.260
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MultiselectComboBox", "MultiselectComboBox\MultiselectComboBox.csproj", "{41A7C36B-660A-4EDB-B9F8-C64637879250}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|arm64 = Debug|arm64
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|arm64 = Release|arm64
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|arm64.ActiveCfg = Debug|arm64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|arm64.Build.0 = Debug|arm64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|arm64.Deploy.0 = Debug|arm64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|x64.ActiveCfg = Debug|x64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|x64.Build.0 = Debug|x64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|x64.Deploy.0 = Debug|x64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|x86.ActiveCfg = Debug|x86
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|x86.Build.0 = Debug|x86
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Debug|x86.Deploy.0 = Debug|x86
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|arm64.ActiveCfg = Release|arm64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|arm64.Build.0 = Release|arm64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|arm64.Deploy.0 = Release|arm64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|x64.ActiveCfg = Release|x64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|x64.Build.0 = Release|x64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|x64.Deploy.0 = Release|x64
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|x86.ActiveCfg = Release|x86
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|x86.Build.0 = Release|x86
+		{41A7C36B-660A-4EDB-B9F8-C64637879250}.Release|x86.Deploy.0 = Release|x86
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {7E0206FE-664B-41B0-A918-9B4DB5D5E4B5}
+	EndGlobalSection
+EndGlobal

MultiselectComboBox/MultiselectComboBox/App.xaml

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+<Application
+    x:Class="MultiselectComboBox.App"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:local="using:MultiselectComboBox">
+    <Application.Resources>
+        <ResourceDictionary>
+            <ResourceDictionary.MergedDictionaries>
+                <XamlControlsResources xmlns="using:Microsoft.UI.Xaml.Controls" />
+                <!-- Other merged dictionaries here -->
+            </ResourceDictionary.MergedDictionaries>
+            <!-- Other app resources here -->
+        </ResourceDictionary>
+    </Application.Resources>
+</Application>

MultiselectComboBox/MultiselectComboBox/App.xaml.cs

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+using Microsoft.UI.Xaml;
+using Microsoft.UI.Xaml.Controls;
+using Microsoft.UI.Xaml.Controls.Primitives;
+using Microsoft.UI.Xaml.Data;
+using Microsoft.UI.Xaml.Input;
+using Microsoft.UI.Xaml.Media;
+using Microsoft.UI.Xaml.Navigation;
+using Microsoft.UI.Xaml.Shapes;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.InteropServices.WindowsRuntime;
+using Windows.ApplicationModel;
+using Windows.ApplicationModel.Activation;
+using Windows.Foundation;
+using Windows.Foundation.Collections;
+
+// To learn more about WinUI, the WinUI project structure,
+// and more about our project templates, see: http://aka.ms/winui-project-info.
+
+namespace MultiselectComboBox
+{
+    /// <summary>
+    /// Provides application-specific behavior to supplement the default Application class.
+    /// </summary>
+    public partial class App : Application
+    {
+        /// <summary>
+        /// Initializes the singleton application object.  This is the first line of authored code
+        /// executed, and as such is the logical equivalent of main() or WinMain().
+        /// </summary>
+        public App()
+        {
+            this.InitializeComponent();
+        }
+
+        /// <summary>
+        /// Invoked when the application is launched normally by the end user.  Other entry points
+        /// will be used such as when the application is launched to open a specific file.
+        /// </summary>
+        /// <param name="args">Details about the launch request and process.</param>
+        protected override void OnLaunched(Microsoft.UI.Xaml.LaunchActivatedEventArgs args)
+        {
+            m_window = new MainWindow();
+            m_window.Activate();
+        }
+
+        private Window m_window;
+    }
+}