iOSでIronWordを使う方法

<ItemGroup>
  <PackageReference Include="IronWord" Version="2025.5.0" />
</ItemGroup>

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             x:Class="IronWordMauiIOS.MainPage"
             BackgroundColor="White">

    <VerticalStackLayout Padding="20"
                         Spacing="15"
                         VerticalOptions="Center">

        <!-- Header -->
        <Label Text="IronWord iOS Demo"
               FontSize="24"
               FontAttributes="Bold"
               HorizontalOptions="Center"
               TextColor="#222"/>

        <!-- Open .docx -->
        <Button Text=" Open Word Document"
                Clicked="OpenDocx"
                BackgroundColor="#007AFF"
                TextColor="White"
                CornerRadius="10"
                HeightRequest="50"/>

        <!-- Editable content -->
        <Editor x:Name="docEditor"
                Placeholder="Start editing..."
                AutoSize="TextChanges"
                HeightRequest="250"
                FontSize="16"
                TextColor="#333"
                BackgroundColor="#F9F9F9"
                CornerRadius="10"
                Margin="0,10,0,0"/>

        <!-- Save Button -->
        <Button Text=" Save as .docx"
                Clicked="SaveDocx"
                BackgroundColor="#34C759"
                TextColor="White"
                CornerRadius="10"
                HeightRequest="50"/>

        <!-- Status message -->
        <Label x:Name="statusLabel"
               FontSize="14"
               TextColor="Gray"
               HorizontalOptions="Center"/>
    </VerticalStackLayout>
</ContentPage>

using IronWord;
using IronWord.Models;
using Microsoft.Maui.Storage;
using System.Text;

namespace IronWordMauiIOS;

public partial class MainPage : ContentPage
{
    public MainPage()
    {
        InitializeComponent();
        License.LicenseKey = "YOUR-LICENSE-KEY"; 
    }

    private async void OpenDocx(object sender, EventArgs e)
    {
        try
        {
            var file = await FilePicker.PickAsync();
            if (file == null) return;

            var path = Path.Combine(FileSystem.CacheDirectory, file.FileName);
            using (var source = await file.OpenReadAsync())
            using (var target = File.Create(path))
                await source.CopyToAsync(target);

            var doc = new WordDocument(path);
            docEditor.Text = ExtractText(doc);
            statusLabel.Text = "Document loaded successfully.";
        }
        catch (Exception ex)
        {
            statusLabel.Text = $"Error: {ex.Message}";
        }
    }

    private async void SaveDocx(object sender, EventArgs e)
    {
        try
        {
            var document = new WordDocument();
            var paragraph = new Paragraph();
            paragraph.Texts.Add(new TextContent(docEditor.Text));
            document.Paragraphs.Add(paragraph);

            var fileName = $"ExportedDoc_{DateTime.Now:yyyyMMddHHmmss}.docx";
            var path = Path.Combine(FileSystem.AppDataDirectory, fileName);
            document.SaveAs(path);

            statusLabel.Text = $"Saved to: {fileName}";
        }
        catch (Exception ex)
        {
            statusLabel.Text = $"Save error: {ex.Message}";
        }
    }

    private string ExtractText(WordDocument doc)
    {
        var sb = new StringBuilder();
        foreach (var para in doc.Paragraphs)
        {
            foreach (var element in para.Texts)
            {
                if (element is TextContent text)
                    sb.AppendLine(text.Text);
            }
        }
        return sb.ToString();
    }
}

Imports IronWord
Imports IronWord.Models
Imports Microsoft.Maui.Storage
Imports System.Text

Namespace IronWordMauiIOS

	Partial Public Class MainPage
		Inherits ContentPage

		Public Sub New()
			InitializeComponent()
			License.LicenseKey = "YOUR-LICENSE-KEY"
		End Sub

		Private Async Sub OpenDocx(ByVal sender As Object, ByVal e As EventArgs)
			Try
				Dim file = Await FilePicker.PickAsync()
				If file Is Nothing Then
					Return
				End If

				Dim path As System.String = System.IO.Path.Combine(FileSystem.CacheDirectory, file.FileName)
				Using source = Await file.OpenReadAsync()
				Using target = System.IO.File.Create(path)
					Await source.CopyToAsync(target)
				End Using
				End Using

				Dim doc = New WordDocument(path)
				docEditor.Text = ExtractText(doc)
				statusLabel.Text = "Document loaded successfully."
			Catch ex As Exception
				statusLabel.Text = $"Error: {ex.Message}"
			End Try
		End Sub

		Private Async Sub SaveDocx(ByVal sender As Object, ByVal e As EventArgs)
			Try
				Dim document = New WordDocument()
				Dim paragraph As New Paragraph()
				paragraph.Texts.Add(New TextContent(docEditor.Text))
				document.Paragraphs.Add(paragraph)

				Dim fileName = $"ExportedDoc_{DateTime.Now:yyyyMMddHHmmss}.docx"
				Dim path As System.String = System.IO.Path.Combine(FileSystem.AppDataDirectory, fileName)
				document.SaveAs(path)

				statusLabel.Text = $"Saved to: {fileName}"
			Catch ex As Exception
				statusLabel.Text = $"Save error: {ex.Message}"
			End Try
		End Sub

		Private Function ExtractText(ByVal doc As WordDocument) As String
			Dim sb = New StringBuilder()
			For Each para In doc.Paragraphs
				For Each element In para.Texts
					Dim tempVar As Boolean = TypeOf element Is TextContent
					Dim text As TextContent = If(tempVar, CType(element, TextContent), Nothing)
					If tempVar Then
						sb.AppendLine(text.Text)
					End If
				Next element
			Next para
			Return sb.ToString()
		End Function
	End Class
End Namespace