Set License from File

Introduction

GroupDocs.Viewer for .NET is a powerful document viewer API that enables .NET developers to seamlessly integrate document viewing capabilities into their applications. Whether you need to display documents in various formats such as PDF, Microsoft Office, or images, GroupDocs.Viewer provides a reliable solution with extensive customization options.

Prerequisites

Before diving into the implementation of GroupDocs.Viewer for .NET, ensure you have the following prerequisites:

1. .NET Framework Installed

Make sure you have the .NET Framework installed on your development machine. You can download it from the official Microsoft website.

2. GroupDocs.Viewer for .NET Package

Download and install GroupDocs.Viewer for .NET package from the download link.

3. License File

Acquire a license file from GroupDocs to utilize GroupDocs.Viewer for .NET without any limitations.

4. Temporary License (Optional)

If you want to explore the capabilities of GroupDocs.Viewer for .NET before purchasing a license, you can request a temporary license from here.

5. Familiarity with C# Programming Language

Basic knowledge of C# programming language is essential to follow along with the examples provided in this tutorial.

Import Namespaces

In your C# project, import the necessary namespaces to utilize GroupDocs.Viewer for .NET functionalities.

using System;
using System.IO;

Step 1: Check License File Existence

if (File.Exists(Utils.LicensePath))
{

Step 2: Set License from File

    License license = new License();
    license.SetLicense(Utils.LicensePath);
    Console.WriteLine("License set successfully.");
}

Step 3: Handle Missing License File

else
{
    Console.WriteLine("\nWe do not ship any license with this example. " +
                      "\nVisit the GroupDocs site to obtain either a temporary or permanent license. " +
                      "\nLearn more about licensing at https://purchase.groupdocs.com/faqs/licensing. " +
                      "\nLearn how to request temporary license at https://purchase.groupdocs.com/temporary-license.");
}

By following these steps, you’ll be able to set the license from a file in your .NET application using GroupDocs.Viewer.

Conclusion

In conclusion, GroupDocs.Viewer for .NET offers a seamless solution for integrating document viewing capabilities into your .NET applications. By following the steps outlined in this tutorial, you can easily set the license from a file and unlock the full potential of GroupDocs.Viewer.

FAQ’s

How can I obtain a permanent license for GroupDocs.Viewer for .NET?

You can purchase a permanent license from GroupDocs to use GroupDocs.Viewer without any limitations.

Is a temporary license available for evaluation purposes?

Yes, you can request a temporary license from here to evaluate GroupDocs.Viewer for .NET before making a purchase.

Can I customize the appearance of the document viewer?

Yes, GroupDocs.Viewer for .NET provides extensive customization options to tailor the viewer according to your requirements.

Does GroupDocs.Viewer support multiple document formats?

Yes, GroupDocs.Viewer supports a wide range of document formats including PDF, Microsoft Office, images, and more.

Where can I find support for GroupDocs.Viewer for .NET?

You can find support and assistance on the GroupDocs Viewer forum.