Word to PDF ASP.NET - C#でDOCXをPDFに変換

Install-Package IronPdf
dotnet add package IronPdf

using IronPdf;

// Set license key before first use
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

var renderer = new DocxToPdfRenderer();
var pdf = renderer.RenderDocxAsPdf("report.docx");
pdf.SaveAs("report.pdf");

Imports IronPdf

' Set license key before first use
IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

Dim renderer As New DocxToPdfRenderer()
Dim pdf = renderer.RenderDocxAsPdf("report.docx")
pdf.SaveAs("report.pdf")

using IronPdf;

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

var renderer = new DocxToPdfRenderer();
文字列[] docxFiles = Directory.GetFiles(@"C:\WordDocuments", "*.docx");

foreach (文字列 docxFile in docxFiles)
{
    var pdf = renderer.RenderDocxAsPdf(docxFile);
    文字列 pdfPath = Path.ChangeExtension(docxFile, ".pdf");
    pdf.SaveAs(pdfPath);
    Console.WriteLine($"Converted: {Path.GetFileName(pdfPath)}");
}

Imports IronPdf

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

Dim renderer As New DocxToPdfRenderer()
Dim docxFiles As String() = Directory.GetFiles("C:\WordDocuments", "*.docx")

For Each docxFile As String In docxFiles
    Dim pdf = renderer.RenderDocxAsPdf(docxFile)
    Dim pdfPath As String = Path.ChangeExtension(docxFile, ".pdf")
    pdf.SaveAs(pdfPath)
    Console.WriteLine($"Converted: {Path.GetFileName(pdfPath)}")
Next

using IronPdf;
using System.Data;

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

// Build the data source
var data = new DataTable();
data.Columns.Add("CustomerName");
data.Columns.Add("InvoiceNumber");
data.Columns.Add("TotalAmount");
data.Rows.Add("Acme Corp", "INV-2026-001", "$4,500.00");

var renderer = new DocxToPdfRenderer();
renderer.MailMergeDataSource = data;

var pdf = renderer.RenderDocxAsPdf("invoice_template.docx");
pdf.SaveAs("acme_invoice.pdf");

Imports IronPdf
Imports System.Data

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

' Build the data source
Dim data As New DataTable()
data.Columns.Add("CustomerName")
data.Columns.Add("InvoiceNumber")
data.Columns.Add("TotalAmount")
data.Rows.Add("Acme Corp", "INV-2026-001", "$4,500.00")

Dim renderer As New DocxToPdfRenderer()
renderer.MailMergeDataSource = data

Dim pdf = renderer.RenderDocxAsPdf("invoice_template.docx")
pdf.SaveAs("acme_invoice.pdf")

using IronPdf;

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

var renderer = new DocxToPdfRenderer();
var pdf = renderer.RenderDocxAsPdf("confidential.docx");

// Require a password to open the file
pdf.SecuritySettings.ユーザーパスワード = "user123";

// Owner password allows overriding restrictions
pdf.SecuritySettings.オーナーパスワード = "owner456";

// Restrict printing and content copying
pdf.SecuritySettings.ユーザー印刷を許可する = IronPdf.Security.PdfPrintSecurity.なしPrint;
pdf.SecuritySettings.ユーザーによるコピー＆ペーストコンテンツを許可 = false;

pdf.SaveAs("secured_document.pdf");

Imports IronPdf

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

Dim renderer As New DocxToPdfRenderer()
Dim pdf = renderer.RenderDocxAsPdf("confidential.docx")

' Require a password to open the file
pdf.SecuritySettings.ユーザーパスワード = "user123"

' Owner password allows overriding restrictions
pdf.SecuritySettings.オーナーパスワード = "owner456"

' Restrict printing and content copying
pdf.SecuritySettings.ユーザー印刷を許可する = IronPdf.Security.PdfPrintSecurity.なしPrint
pdf.SecuritySettings.ユーザーによるコピー＆ペーストコンテンツを許可 = False

pdf.SaveAs("secured_document.pdf")

using IronPdf;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

[ApiController]
[Route("api/[controller]")]
public class DocumentController : ControllerBase
{
    [HttpPost("convert")]
    public IActionResult ConvertWordToPdf(IFormFile wordFile)
    {
        if (wordFile == null || wordFile.Length == 0)
            return BadRequest("Please upload a valid Word document.");

        using var stream = new MemoryStream();
        wordFile.CopyTo(stream);

        var renderer = new DocxToPdfRenderer();
        var pdfDocument = renderer.RenderDocxAsPdf(stream.ToArray());

        return File(pdfDocument.BinaryData, "application/pdf", "converted.pdf");
    }
}

Imports IronPdf
Imports Microsoft.AspNetCore.Http
Imports Microsoft.AspNetCore.Mvc

<ApiController>
<Route("api/[controller]")>
Public Class DocumentController
    Inherits ControllerBase

    <HttpPost("convert")>
    Public Function ConvertWordToPdf(wordFile As IFormFile) As IActionResult
        If wordFile Is Nothing OrElse wordFile.Length = 0 Then
            Return BadRequest("Please upload a valid Word document.")
        End If

        Using stream As New MemoryStream()
            wordFile.CopyTo(stream)

            Dim renderer As New DocxToPdfRenderer()
            Dim pdfDocument = renderer.RenderDocxAsPdf(stream.ToArray())

            Return File(pdfDocument.BinaryData, "application/pdf", "converted.pdf")
        End Using
    End Function
End Class

using IronPdf;

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

var renderer = new DocxToPdfRenderer();
var coverLetter = renderer.RenderDocxAsPdf("cover_letter.docx");
var existingReport = PdfDocument.FromFile("annual_report.pdf");

// Merge cover letter (first) with existing report (second)
var merged = PdfDocument.Merge(coverLetter, existingReport);
merged.SaveAs("final_document.pdf");

Imports IronPdf

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

Dim renderer As New DocxToPdfRenderer()
Dim coverLetter As PdfDocument = renderer.RenderDocxAsPdf("cover_letter.docx")
Dim existingReport As PdfDocument = PdfDocument.FromFile("annual_report.pdf")

' Merge cover letter (first) with existing report (second)
Dim merged As PdfDocument = PdfDocument.Merge(coverLetter, existingReport)
merged.SaveAs("final_document.pdf")

using IronPdf;

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

var renderer = new DocxToPdfRenderer();
var pdf = renderer.RenderDocxAsPdf("proposal.docx");

// Add a text stamp on every page
pdf.ApplyStamp(new TextStamp("DRAFT", new TextStampStyle
{
    FontSize = 36,
    FontColor = IronSoftware.Drawing.Color.FromArgb(100, 200, 0, 0),
    VerticalAlignment = VerticalAlignment.Middle,
    HorizontalAlignment = HorizontalAlignment.Center,
    Rotation = -45
}));

pdf.SaveAs("proposal_draft.pdf");

Imports IronPdf

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

Dim renderer As New DocxToPdfRenderer()
Dim pdf = renderer.RenderDocxAsPdf("proposal.docx")

' Add a text stamp on every page
pdf.ApplyStamp(New TextStamp("DRAFT", New TextStampStyle With {
    .FontSize = 36,
    .FontColor = IronSoftware.Drawing.Color.FromArgb(100, 200, 0, 0),
    .VerticalAlignment = VerticalAlignment.Middle,
    .HorizontalAlignment = HorizontalAlignment.Center,
    .Rotation = -45
}))

pdf.SaveAs("proposal_draft.pdf")