898743: Update sample for how to print the current page of the pdf document in PdfViewer programmatically

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage.slnx

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+<Solution>
+  <Project Path="Progamatic_printpage/Progamatic_printpage.csproj" />
+</Solution>

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/App.xaml

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

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/App.xaml.cs

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+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace Progamatic_printpage
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+
+}

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/AssemblyInfo.cs

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+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)
+)]

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/MainWindow.xaml

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+<Window x:Class="Progamatic_printpage.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:Progamatic_printpage"
+        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>
+        <Button x:Name="Print" Content="Print" Width="100" Height="30" Margin="10" Click="Print_Click"/>
+        <syncfusion:PdfViewerControl x:Name="pdfViewer" Grid.Row="1"></syncfusion:PdfViewerControl>
+    </Grid>
+</Window>

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/MainWindow.xaml.cs

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+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 Progamatic_printpage
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+            pdfViewer.Load("../../../Input.pdf");
+        }
+        private void Print_Click(object sender, RoutedEventArgs e)
+        {
+            BitmapSource bitmapImage = pdfViewer.ExportAsImage(pdfViewer.CurrentPageIndex - 1);
+            Image image = new Image();
+            image.Source = bitmapImage;
+            PrintDialog printDialog = new PrintDialog();
+            bool? result = printDialog.ShowDialog();
+            if (result == true)
+            {
+                printDialog.PrintVisual(image, "PDF current page");
+            }
+        }
+
+    }
+
+}

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/Progamatic_printpage.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+   <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.PdfViewer.WPF" Version="*" />
+  </ItemGroup>
+  <Import Project="targets\MultiTargeting.targets" /> 
+
+</Project>

Printing-Examples/programmatically-print-currentpage/Progamatic_printpage/targets/MultiTargeting.targets

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+<Project>
+  <PropertyGroup>
+    <TargetFrameworks>net462;net8.0-windows;net9.0-windows;net10.0-windows</TargetFrameworks>
+    <UseWPF>true</UseWPF>
+    <GenerateAssemblyInfo>False</GenerateAssemblyInfo>
+    <GenerateDocumentationFile>True</GenerateDocumentationFile>
+    <EnableDefaultItems>True</EnableDefaultItems>
+	<EnableDefaultEmbeddedResourceItems>True</EnableDefaultEmbeddedResourceItems>	
+  </PropertyGroup>
+</Project>