992844: Added sample for avoid large DPI conversion

PDF-to-image/PdfToImageConverter_DPI/App.xaml

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

PDF-to-image/PdfToImageConverter_DPI/App.xaml.cs

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

PDF-to-image/PdfToImageConverter_DPI/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)
+)]

PDF-to-image/PdfToImageConverter_DPI/MainWindow.xaml

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+<Window x:Class="PdfToImageConverter_DPI.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:PdfToImageConverter_DPI"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>

PDF-to-image/PdfToImageConverter_DPI/MainWindow.xaml.cs

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+using Syncfusion.PdfToImageConverter;
+using System.Drawing;
+using System.Drawing.Imaging;
+using System.IO;
+using System.Linq;
+using System.Windows;
+
+namespace PdfToImageConverter_DPI
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+            PdfToImageConverter imageConverter = new PdfToImageConverter();
+
+            FileStream inputStream = new FileStream("../../../Data/Input.pdf", FileMode.Open, FileAccess.ReadWrite);
+            imageConverter.Load(inputStream);
+
+            // Convert PDF page to image stream with desired DPI
+            Stream outputStream = imageConverter.Convert(0, false, false);
+            // Load the image
+            Bitmap originalImage = new Bitmap(outputStream);
+
+            //// Set DPI
+            originalImage.SetResolution(451, 451);
+
+            ////// Get TIFF codec
+            ImageCodecInfo tiffCodec = ImageCodecInfo.GetImageEncoders().First(codec => codec.FormatID == ImageFormat.Tiff.Guid);
+
+            // Set CCITT Group 4 compression
+            EncoderParameters encoderParams = new EncoderParameters(1);
+            encoderParams.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Compression, (long)EncoderValue.CompressionCCITT4);
+
+            // Save as 1-bit TIFF with CCITT G4
+            originalImage.Save("sample.tif");
+        }
+    }
+}

PDF-to-image/PdfToImageConverter_DPI/PdfToImageConverter_DPI.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+	<PropertyGroup>
+		<OutputType>WinExe</OutputType>
+	</PropertyGroup>
+
+	<ItemGroup>
+		<PackageReference Include="Syncfusion.PdfToImageConverter.WPF" Version="*" />
+		<PackageReference Include="System.Drawing.Common" Version="10.0.1" />
+	</ItemGroup>
+	<Import Project="targets\MultiTargeting.targets" />
+</Project>

PDF-to-image/PdfToImageConverter_DPI/PdfToImageConverter_DPI.slnx

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

PDF-to-image/PdfToImageConverter_DPI/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>