Publish a map
PublishMap.cs
// Copyright 2012 ESRI
// 
// All rights reserved under the copyright laws of the United States
// and applicable international laws, treaties, and conventions.
// 
// You may freely redistribute and use this sample code, with or
// without modification, provided you include the original copyright
// notice and use restrictions.
// 
// See the use restrictions.
// 

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Windows.Forms;
using ESRI.ArcGIS.ArcMapUI;
using ESRI.ArcGIS.esriSystem;
using ESRI.ArcGIS.Framework;
using ESRI.ArcGIS.Publisher;
using ESRI.ArcGIS.PublisherUI;
using ESRI.ArcGIS.Carto;

namespace PublishMap2008CSharp
{
    public class PublishMap : ESRI.ArcGIS.Desktop.AddIns.Button
    {
        public PublishMap()
        {
        }

        protected override void OnClick()
        {
            //Enable publisher extension
            if (EnablePublisherExtension())
            {
                System.Windows.Forms.Cursor.Current = Cursors.WaitCursor;

                IMxDocument mapDoc = ArcMap.Document;

                IPMFPublish3 publishMaps = new PublisherEngineClass();

                //Accept the default settings when the map is published.
                IPropertySet settings = publishMaps.GetDefaultPublisherSettings();              

                IArray orderedMaps = new ArrayClass();
                //Loop over all the maps in the map document and each one to an Array object
                for (int i = 0; i <= mapDoc.Maps.Count - 1; i++)
                {
                    orderedMaps.Add(mapDoc.Maps.get_Item(i));
                }

                try
                {
                    //Create the PMF file using the current settings and the map order specified in the IArray parameter
                    //It will be written to C:\\PublishedMap.pmf and the data will be referenced using relative paths.
                    publishMaps.PublishWithOrder(orderedMaps, mapDoc.PageLayout, mapDoc.ActiveView, settings,
                                                 true, "C:\\PublishedMap.pmf");


                    //Report outcome to the user
                    string mapdocTitle = ((IDocument)ArcMap.Document).Title;
                    string msg = string.Empty;

                    if (orderedMaps.Count == 1)
                    {
                        msg = "The map in " + mapdocTitle + " has been published successfully";
                    }
                    else
                    {
                        msg = "The maps in " + mapdocTitle + " have been published successfully";
                    }

                    MessageBox.Show(msg);
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Error Publishing Map: " + ex.Message, "Error");
                }

                System.Windows.Forms.Cursor.Current = Cursors.Default;

            }

            ArcMap.Application.CurrentTool = null;
        }


        protected override void OnUpdate()
        {
            Enabled = ArcMap.Application != null;
        }

        private bool EnablePublisherExtension()
        {

            bool checkedOutOK = false;

            try
            {
                IExtensionManager extMgr = new ExtensionManagerClass();

                IExtensionManagerAdmin extAdmin = (IExtensionManagerAdmin)extMgr;

                UID uid = new UID();
                uid.Value = "esriPublisherUI.Publisher";
                object obj = 0;
                extAdmin.AddExtension(uid, ref obj);

                IExtensionConfig extConfig = (IExtensionConfig)extMgr.FindExtension(uid);

                if ((!(extConfig.State == esriExtensionState.esriESUnavailable)))
                {
                    //This checks on the extension
                    extConfig.State = esriExtensionState.esriESEnabled;
                    checkedOutOK = true;
                }
            }
            catch (Exception)
            {
                MessageBox.Show("Publisher extension has failed to check out.", "Error");
            }

            return checkedOutOK;
        } 

    }

}