Update sample for the Readonly formfields

FormFields/Read_Only_FormFields/Formfields_Readonly.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.37216.2 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Formfields_Readonly", "Formfields_Readonly\Formfields_Readonly.csproj", "{9909EFE3-E8EF-4E57-BCDD-9AC5DA9F0B54}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{9909EFE3-E8EF-4E57-BCDD-9AC5DA9F0B54}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{9909EFE3-E8EF-4E57-BCDD-9AC5DA9F0B54}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{9909EFE3-E8EF-4E57-BCDD-9AC5DA9F0B54}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{9909EFE3-E8EF-4E57-BCDD-9AC5DA9F0B54}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {B2C5FFB4-25EC-486B-8CDB-EA071D870954}
+	EndGlobalSection
+EndGlobal

FormFields/Read_Only_FormFields/Formfields_Readonly/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="Formfields_Readonly.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:Formfields_Readonly"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

FormFields/Read_Only_FormFields/Formfields_Readonly/App.xaml.cs

@@ -0,0 +1,14 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace Formfields_Readonly
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+
+}

FormFields/Read_Only_FormFields/Formfields_Readonly/AssemblyInfo.cs

@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None,            //where theme specific resource dictionaries are located
+                                                //(used if a resource is not found in the page,
+                                                // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly   //where the generic resource dictionary is located
+                                                //(used if a resource is not found in the page,
+                                                // app, or any theme specific resource dictionaries)
+)]

FormFields/Read_Only_FormFields/Formfields_Readonly/Formfields_Readonly.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.PdfViewer.WPF" Version="*" />
+  </ItemGroup>
+
+</Project>

FormFields/Read_Only_FormFields/Formfields_Readonly/MainWindow.xaml

@@ -0,0 +1,27 @@
+<Window x:Class="Formfields_Readonly.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:Formfields_Readonly"
+          xmlns:syncfusion="clr-namespace:Syncfusion.Windows.PdfViewer;assembly=Syncfusion.PdfViewer.WPF"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+        <Grid.RowDefinitions>
+            <RowDefinition Height="Auto"/>
+            <RowDefinition Height="*"/>
+        </Grid.RowDefinitions>
+
+        <StackPanel Orientation="Horizontal" Margin="10">
+            <TextBlock Text="Select User:" VerticalAlignment="Center" Margin="0,0,10,0"/>
+            <ComboBox x:Name="UserComboBox" Width="150" SelectionChanged="UserComboBox_SelectionChanged">
+                <ComboBoxItem Content="User1" />
+                <ComboBoxItem Content="User2"/>
+            </ComboBox>
+        </StackPanel>
+
+        <syncfusion:PdfViewerControl x:Name="pdfViewer" Grid.Row="1"></syncfusion:PdfViewerControl>
+
+    </Grid>
+</Window>

FormFields/Read_Only_FormFields/Formfields_Readonly/MainWindow.xaml.cs

@@ -0,0 +1,98 @@
+using Syncfusion.Pdf.Interactive;
+using Syncfusion.Pdf.Parsing;
+using System.Collections.ObjectModel;
+using System.Text;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace Formfields_Readonly
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        private ObservableCollection<PdfField> user1List = new ObservableCollection<PdfField>();
+        private ObservableCollection<PdfField> user2List = new ObservableCollection<PdfField>();
+        public MainWindow()
+        {
+            InitializeComponent();
+            pdfViewer.Load("../../../Input.pdf");
+            pdfViewer.DocumentLoaded += PdfViewer_DocumentLoaded;
+        }
+
+        private void PdfViewer_DocumentLoaded(object sender, System.EventArgs e)
+        {
+            UpdateFormFields();
+        }
+
+        private void UpdateFormFields()
+        {
+
+            if (pdfViewer.LoadedDocument.Form != null)
+            {
+                var FormFieldCollections = pdfViewer.LoadedDocument.Form.Fields;
+
+                if (FormFieldCollections.Count > 0)
+                {
+                    for (int i = 0; i < FormFieldCollections.Count; i++)
+                    {
+                        if (FormFieldCollections[i].Name == "User1_Name" || FormFieldCollections[i].Name == "User1_Age" || FormFieldCollections[i].Name == "User1_Country")
+                        {
+                            user1List.Add(FormFieldCollections[i]);
+                        }
+                        else
+                        {
+                            user2List.Add(FormFieldCollections[i]);
+                        }
+                    }
+                }
+
+
+
+            }
+        }
+        private void UserComboBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
+        {
+            if (pdfViewer.LoadedDocument == null) return;
+
+            var selectedUser = (UserComboBox.SelectedItem as ComboBoxItem).Content.ToString();
+
+            if (selectedUser == "User1")
+            {
+                foreach (var field in user1List)
+                {
+                    if (field is PdfLoadedTextBoxField textField)
+                        textField.ReadOnly = false;
+                }
+
+                foreach (var field in user2List)
+                {
+                    if (field is PdfLoadedTextBoxField textField)
+                        textField.ReadOnly = true;
+                }
+            }
+            else if (selectedUser == "User2")
+            {
+                foreach (var field in user2List)
+                {
+                    if (field is PdfLoadedTextBoxField textField)
+                        textField.ReadOnly = false;
+                }
+
+                foreach (var field in user1List)
+                {
+                    if (field is PdfLoadedTextBoxField textField)
+                        textField.ReadOnly = true;
+                }
+            }
+        }
+    }
+}