private void GeneratePDF(object sender, EventArgs e)
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();
    var doc = renderer.RenderHtmlAsPdf("<h1>Hello IronPDF!</h1> <p>I'm using IronPDF MAUI!</p>");

    // Saves the memory stream as file.
    SaveService saveService = new SaveService();
    saveService.SaveAndView("IronPDF HTML string.pdf", "application/pdf", doc.Stream);
}

private void GeneratePDF(object sender, EventArgs e)
{
    ChromePdfRenderer renderer = new ChromePdfRenderer();
    var doc = renderer.RenderHtmlAsPdf("<h1>Hello IronPDF!</h1> <p>I'm using IronPDF MAUI!</p>");

    // Saves the memory stream as file.
    SaveService saveService = new SaveService();
    saveService.SaveAndView("IronPDF HTML string.pdf", "application/pdf", doc.Stream);
}

// Change the namespace as desired, but make sure that all source files use this same namespace,
// or there will be errors!
namespace MAUI_IronPDF;    

// This namespace is required to make use of IronPDF functionality
using IronPdf;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }

    private void GeneratePDF(object sender, EventArgs e)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();
        var doc = renderer.RenderHtmlAsPdf("<h1>Hello IronPDF!</h1> <p>I'm using IronPDF MAUI!</p>");
        // Saves the memory stream as file.
        SaveService saveService = new SaveService();
        saveService.SaveAndView("IronPDF HTML string.pdf", "application/pdf", doc.Stream);
    }
}

// Change the namespace as desired, but make sure that all source files use this same namespace,
// or there will be errors!
namespace MAUI_IronPDF;    

// This namespace is required to make use of IronPDF functionality
using IronPdf;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
    }

    private void GeneratePDF(object sender, EventArgs e)
    {
        ChromePdfRenderer renderer = new ChromePdfRenderer();
        var doc = renderer.RenderHtmlAsPdf("<h1>Hello IronPDF!</h1> <p>I'm using IronPDF MAUI!</p>");
        // Saves the memory stream as file.
        SaveService saveService = new SaveService();
        saveService.SaveAndView("IronPDF HTML string.pdf", "application/pdf", doc.Stream);
    }
}

// Change the namespace as desired, but make sure that all source files use this same namespace,
// or there will be errors!
namespace MAUI_IronPDF
{
    // SaveService partial class declaration ... this allows a layer of abstraction
    // as we implement the save file details specially for each platform on which this app will
    // operate! 
    public partial class SaveService
    {
        public void SaveAndView(string filename, string contentType, MemoryStream stream)
        {
            SaveFile(filename, contentType, stream);
        }

        // Additional partial files will provide implementations for this method specifically.
        partial void SaveFile(string filename, string contentType, MemoryStream stream);
    }
}

// Change the namespace as desired, but make sure that all source files use this same namespace,
// or there will be errors!
namespace MAUI_IronPDF
{
    // SaveService partial class declaration ... this allows a layer of abstraction
    // as we implement the save file details specially for each platform on which this app will
    // operate! 
    public partial class SaveService
    {
        public void SaveAndView(string filename, string contentType, MemoryStream stream)
        {
            SaveFile(filename, contentType, stream);
        }

        // Additional partial files will provide implementations for this method specifically.
        partial void SaveFile(string filename, string contentType, MemoryStream stream);
    }
}

using Windows.Storage;
using Windows.Storage.Pickers;
using Windows.Storage.Streams;
using Windows.UI.Popups;

namespace MAUI_IronPDF;

public partial class SaveService
{
    async partial void SaveFile(string filename, string contentType, MemoryStream stream)
    {
        StorageFile stFile;
        string extension = Path.GetExtension(filename);
        // Gets process windows handle to open the dialog in application process.
        IntPtr windowHandle = System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle;
        if (!Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
        {
            // Creates file save picker to save a file.
            FileSavePicker savePicker = new();
            savePicker.DefaultFileExtension = ".pdf";
            savePicker.SuggestedFileName = filename;
            // Saves the file as PDF file.
            savePicker.FileTypeChoices.Add("PDF", new List<string>() { ".pdf" });

            WinRT.Interop.InitializeWithWindow.Initialize(savePicker, windowHandle);
            stFile = await savePicker.PickSaveFileAsync();
        }
        else
        {
            StorageFolder local = ApplicationData.Current.LocalFolder;
            stFile = await local.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
        }
        if (stFile != null)
        {
            using (IRandomAccessStream zipStream = await stFile.OpenAsync(FileAccessMode.ReadWrite))
            {
                // Writes compressed data from memory to file.
                using Stream outstream = zipStream.AsStreamForWrite();
                outstream.SetLength(0);
                // Saves the stream as file.
                byte [] buffer = stream.ToArray();
                outstream.Write(buffer, 0, buffer.Length);
                outstream.Flush();
            }
            // Create message dialog box.
            MessageDialog msgDialog = new("Do you want to view the document?", "File has been created successfully");
            UICommand yesCmd = new("Yes");
            msgDialog.Commands.Add(yesCmd);
            UICommand noCmd = new("No");
            msgDialog.Commands.Add(noCmd);

            WinRT.Interop.InitializeWithWindow.Initialize(msgDialog, windowHandle);

            // Showing a dialog box.
            IUICommand cmd = await msgDialog.ShowAsync();
            if (cmd.Label == yesCmd.Label)
            {
                // Launch the saved file.
                await Windows.System.Launcher.LaunchFileAsync(stFile);
            }
        }
    }
}

using Windows.Storage;
using Windows.Storage.Pickers;
using Windows.Storage.Streams;
using Windows.UI.Popups;

namespace MAUI_IronPDF;

public partial class SaveService
{
    async partial void SaveFile(string filename, string contentType, MemoryStream stream)
    {
        StorageFile stFile;
        string extension = Path.GetExtension(filename);
        // Gets process windows handle to open the dialog in application process.
        IntPtr windowHandle = System.Diagnostics.Process.GetCurrentProcess().MainWindowHandle;
        if (!Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
        {
            // Creates file save picker to save a file.
            FileSavePicker savePicker = new();
            savePicker.DefaultFileExtension = ".pdf";
            savePicker.SuggestedFileName = filename;
            // Saves the file as PDF file.
            savePicker.FileTypeChoices.Add("PDF", new List<string>() { ".pdf" });

            WinRT.Interop.InitializeWithWindow.Initialize(savePicker, windowHandle);
            stFile = await savePicker.PickSaveFileAsync();
        }
        else
        {
            StorageFolder local = ApplicationData.Current.LocalFolder;
            stFile = await local.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting);
        }
        if (stFile != null)
        {
            using (IRandomAccessStream zipStream = await stFile.OpenAsync(FileAccessMode.ReadWrite))
            {
                // Writes compressed data from memory to file.
                using Stream outstream = zipStream.AsStreamForWrite();
                outstream.SetLength(0);
                // Saves the stream as file.
                byte [] buffer = stream.ToArray();
                outstream.Write(buffer, 0, buffer.Length);
                outstream.Flush();
            }
            // Create message dialog box.
            MessageDialog msgDialog = new("Do you want to view the document?", "File has been created successfully");
            UICommand yesCmd = new("Yes");
            msgDialog.Commands.Add(yesCmd);
            UICommand noCmd = new("No");
            msgDialog.Commands.Add(noCmd);

            WinRT.Interop.InitializeWithWindow.Initialize(msgDialog, windowHandle);

            // Showing a dialog box.
            IUICommand cmd = await msgDialog.ShowAsync();
            if (cmd.Label == yesCmd.Label)
            {
                // Launch the saved file.
                await Windows.System.Launcher.LaunchFileAsync(stFile);
            }
        }
    }
}