var configuration = new Configuration(MyClientId, MyClientSecret);
var apiInstance = new InfoApi(configuration);
var response = apiInstance.GetSupportedFileFormats();

// Initialize GroupDocs.Merger Cloud API
using GroupDocs.Merger.Cloud.Sdk.Api;
using GroupDocs.Merger.Cloud.Sdk.Client;
using GroupDocs.Merger.Cloud.Sdk.Model.Requests;
using System;

namespace GroupDocs.Merger.Cloud.Examples.CSharp
{
    // Merge Multiple Word Documents
    class Merge_Word_Documents
    {
        public static void Run()
        {
            // Create configuration with your Client ID and Client Secret
            var configuration = new Configuration("YourClientID", "YourClientSecret");

            // Initialize the Merger API instance
            var apiInstance = new MergerApi(configuration);

            // Create a new merge request for two DOCX files
            var request = new JoinRequest(new JoinOptions()
            {
                FileInfo = new FileInfo() { FilePath = "Word/document1.docx" }, // First file
                JoinItems = new List<JoinItem>() {
                    new JoinItem() { FileInfo = new FileInfo() { FilePath = "Word/document2.docx" } }, // Second file
                },
                OutputPath = "MergedOutput/output.docx" // Output path
            });

            // Call the API to merge the documents
            apiInstance.Join(request);
            Console.WriteLine("Documents merged successfully.");
        }
    }
}

// Initialize GroupDocs.Merger Cloud API for PDF merging
using GroupDocs.Merger.Cloud.Sdk.Api;
using GroupDocs.Merger.Cloud.Sdk.Client;
using GroupDocs.Merger.Cloud.Sdk.Model.Requests;
using System;

namespace GroupDocs.Merger.Cloud.Examples.CSharp
{
    // Merge Specific Pages from PDF Documents
    class Merge_PDF_Pages
    {
        public static void Run()
        {
            // Create configuration with your Client ID and Client Secret
            var configuration = new Configuration("YourClientID", "YourClientSecret");

            // Initialize the Merger API instance
            var apiInstance = new MergerApi(configuration);

            // Create a new merge request for specific pages from two PDF files
            var request = new JoinRequest(new JoinOptions()
            {
                FileInfo = new FileInfo() { FilePath = "PDF/document1.pdf" }, // First file
                JoinItems = new List<JoinItem>() {
                    new JoinItem() { FileInfo = new FileInfo() { FilePath = "PDF/document2.pdf" }, Pages = new List<int> { 1, 3, 5 } }, // Select specific pages
                },
                OutputPath = "MergedOutput/merged.pdf" // Output path
            });

            // Call the API to merge the selected pages
            apiInstance.Join(request);
            Console.WriteLine("Specific pages merged successfully.");
        }
    }
}

// Initialize GroupDocs.Merger Cloud API for merging across formats
using GroupDocs.Merger.Cloud.Sdk.Api;
using GroupDocs.Merger.Cloud.Sdk.Client;
using GroupDocs.Merger.Cloud.Sdk.Model.Requests;
using System;

namespace GroupDocs.Merger.Cloud.Examples.CSharp
{
    // Merge Different Formats (DOCX, PDF) into PDF
    class Merge_Cross_Format_Documents
    {
        public static void Run()
        {
            // Create configuration with your Client ID and Client Secret
            var configuration = new Configuration("YourClientID", "YourClientSecret");

            // Initialize the Merger API instance
            var apiInstance = new MergerApi(configuration);

            // Create a new merge request for a DOCX and PDF file
            var request = new JoinRequest(new JoinOptions()
            {
                FileInfo = new FileInfo() { FilePath = "Word/document1.docx" }, // First file
                JoinItems = new List<JoinItem>() {
                    new JoinItem() { FileInfo = new FileInfo() { FilePath = "PDF/document2.pdf" } }, // Second file
                },
                OutputPath = "MergedOutput/merged_output.pdf" // Output path
            });

            // Call the API to merge the documents into a PDF
            apiInstance.Join(request);
            Console.WriteLine("Documents merged into PDF successfully.");
        }
    }
}