GroupDocs.Conversion.LowCode - VB.NET Code Examples

This directory contains 69+ complete, runnable examples demonstrating various features of GroupDocs.Conversion.LowCode. These examples provide practical implementations for document conversion scenarios.

📋 Overview

• Package: GroupDocs.Conversion.LowCode
• Language: VB.NET (.NET 6.0+)
• Docs: https://docs.groupdocs.net/conversion/

📁 Directory Structure

The examples are organized to mirror the official documentation structure:

groupdocs-conversion-lowcode-examples-vbnet/
├── 📂 licensing/
│   ├── 📂 SetLicenseFromFile/
│   └── 📂 SetLicenseKeys/
├── 📂 developer-guide/
│   ├── 📂 loading-source-documents/
│   │   ├── 📂 LoadFromFilePath/
│   │   ├── 📂 LoadFromStream/
│   │   └── 📂 SetLoadOptions/
│   ├── 📂 saving-converted-documents/
│   │   ├── 📂 SaveToFilePath/
│   │   ├── 📂 SaveToStream/
│   │   └── 📂 SetConvertOptions/
│   ├── 📂 using-doc-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 DocToPasswordProtectedPdf/
│   │   ├── 📂 DocToPdfaFormat/
│   │   ├── 📂 DocWithCommentsToPdfWithoutComments/
│   │   ├── 📂 DocWithTrackedChangesToPdf/
│   │   ├── 📂 ProtectedDocToPdf/
│   │   └── 📂 SpecificDocPagesToPdf/
│   ├── 📂 using-docx-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 DocxToPasswordProtectedPdf/
│   │   ├── 📂 DocxWithCommentsToPdfWithoutComments/
│   │   ├── 📂 DocxWithTrackedChangesToPdf/
│   │   ├── 📂 ProtectedDocxToPdf/
│   │   └── 📂 SpecificDocxPagesToPdf/
│   ├── 📂 using-html-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 HtmlToPasswordProtectedPdf/
│   │   ├── 📂 HtmlToPdfWithSpecificPdfFormat/
│   │   ├── 📂 HtmlWithCustomCssStyling/
│   │   ├── 📂 HtmlWithZoomLevel/
│   │   └── 📂 SkipExternalResourcesReferencedInHtml/
│   ├── 📂 using-pdf-to-docx-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 FlattenFieldsInFormFillablePdf/
│   │   ├── 📂 PdfToDocxWithA4PageSize/
│   │   ├── 📂 PdfToPasswordProtectedDocx/
│   │   ├── 📂 PdfWithAnnotationsToDocxWithoutAnnotations/
│   │   └── 📂 ProtectedPdfToDocx/
│   ├── 📂 using-pdf-to-md-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 FlattenFieldsInFormFillablePdf/
│   │   ├── 📂 PdfWithAnnotationsToMarkdownWithoutAnnotations/
│   │   ├── 📂 ProtectedPdfToMarkdown/
│   │   └── 📂 SkipImagesWhenConvertingPdfToMarkdown/
│   ├── 📂 using-pdf-to-pdfa-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 FlattenFieldsInFormFillablePdf/
│   │   ├── 📂 PdfToPasswordProtectedPdfa/
│   │   ├── 📂 PdfWithAnnotationsToPdfaWithoutAnnotations/
│   │   ├── 📂 ProtectedPdfToPdfa/
│   │   └── 📂 SpecificPdfPagesToPdfa/
│   ├── 📂 using-ppt-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 PptToPasswordProtectedPdf/
│   │   ├── 📂 PptWithHiddenSlides/
│   │   ├── 📂 PptWithPreservedDocumentStructureForAccessiblePdf/
│   │   ├── 📂 ProtectedPptToPdf/
│   │   └── 📂 SpecificPptSlidesToPdf/
│   ├── 📂 using-pptx-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 PptxToPasswordProtectedPdf/
│   │   ├── 📂 PptxWithHiddenSlides/
│   │   ├── 📂 PreserveDocumentStructureForAccessiblePdf/
│   │   ├── 📂 ProtectedPptxToPdf/
│   │   └── 📂 SpecificPptxSlidesToPdf/
│   ├── 📂 using-xls-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 ProtectedXlsToPdf/
│   │   ├── 📂 SpecificSheetsFromXlsToPdf/
│   │   ├── 📂 XlsToPasswordProtectedPdf/
│   │   ├── 📂 XlsToPdfWithSpecificPdfFormat/
│   │   └── 📂 XlsWithHiddenSheets/
│   ├── 📂 using-xlsx-to-pdf-converter/
│   │   ├── 📂 BasicExample/
│   │   ├── 📂 ProtectedXlsxToPdf/
│   │   ├── 📂 SpecificSheetsFromXlsxToPdf/
│   │   ├── 📂 XlsxToPasswordProtectedPdf/
│   │   ├── 📂 XlsxToPdfWithSpecificPdfFormat/
│   │   └── 📂 XlsxWithHiddenSheetsToPdf/
│   └── 📂 CopyTheCodeExample/
├── 📄 GroupDocs.Conversion.LowCode.Examples.sln
├── 📄 LICENSE
├── 📄 README.md
├── 🚀 run_all_examples.bat
├── 🚀 run_all_examples.ps1
└── 🚀 run_all_examples.sh

🎯 Example Categories

Licensing

• Set License Keys: Programmatic license setup using keys
• Set License From File: License setup using license file

Developer Guide

Document Loading

• Load From FilePath: Load documents using file paths
• Load From Stream: Load documents using file streams
• Set Load Options: Configure document loading options

Document Saving

• Save To FilePath: Save converted documents to file paths
• Save To Stream: Save converted documents to streams
• Set Convert Options: Configure conversion options

Document Converters

• DOC to PDF: Convert legacy Word documents to PDF
• DOCX to PDF: Convert modern Word documents to PDF
• HTML to PDF: Convert HTML files to PDF
• PDF to DOCX: Convert PDF to Word documents
• PDF to Markdown: Convert PDF to Markdown format
• PDF to PDF/A: Convert PDF to archival format
• PPT to PDF: Convert PowerPoint presentations to PDF
• PPTX to PDF: Convert modern PowerPoint presentations to PDF
• XLS to PDF: Convert legacy Excel spreadsheets to PDF
• XLSX to PDF: Convert modern Excel spreadsheets to PDF

🚀 How to Run Code Examples

Prerequisites

• .NET 6.0 or later installed on your system
• Valid GroupDocs license (trial or commercial)
• Sample files (automatically included with examples)

Setup License

Option 1: Environment Variables (Recommended)

# Windows
set GD_PUBLIC_KEY=your-public-key
set GD_PRIVATE_KEY=your-private-key

# Linux/macOS
export GD_PUBLIC_KEY=your-public-key
export GD_PRIVATE_KEY=your-private-key

Option 2: Direct in Code

Edit the Program.vb file and replace placeholder values:

Dim publicKey As String = "your-public-key"
Dim privateKey As String = "your-private-key"

Running Individual Examples

1. Navigate to any example directory:

   cd Examples/developer-guide/using-docx-to-pdf-converter/BasicExample

2. Run the example:

   dotnet run

3. Check the output:

   • Look for generated files in the example directory
   • Check console output for any errors or success messages

Running All Examples

Use the provided scripts to run all examples sequentially:

Windows (Command Prompt)

run_all_examples.bat

Windows (PowerShell)

.\run_all_examples.ps1

Linux/macOS

./run_all_examples.sh

📖 Example Documentation

Each example contains its own README.md file with:

• 📝 Example description and purpose
• 📁 Input and output files specification
• 🔧 Step-by-step usage instructions
• ⚙️ Requirements and dependencies
• 💻 Code overview and key features
• 🔗 Related documentation links

To learn more about a specific example:

1. Navigate to the example folder
2. Open the README.md file
3. Follow the instructions

✨ Example Features

What Each Example Demonstrates:

• License setup and configuration
• Document loading from various sources
• Conversion options and customization
• Output generation to different formats
• Error handling and best practices
• Real-world scenarios and use cases

Supported File Formats:

• Input: DOC, DOCX, HTML, PDF, PPT, PPTX, XLS, XLSX
• Output: PDF, DOCX, Markdown, PDF/A
• Features: Password protection, page selection, format options

🔧 Troubleshooting

Common Issues:

License Error

Error: Invalid license

Solution: Ensure your license keys are correctly set in environment variables or code.

File Not Found

Error: Could not find file 'sample.docx'

Solution: Check that sample files are present in the example directory.

.NET Version

Error: .NET 6.0 or later required

Solution: Install .NET 6.0 or later from Microsoft's website.

Getting Help:

• Check the example's individual README.md file
• Review the official documentation
• Visit the GroupDocs support forum

🔗 Related Resources

• Official Documentation: Complete API reference and guides
• API Reference: Detailed class and method documentation
• Support Forum: Community support and discussions

📄 License

MIT - see LICENSE for more details.