In this article we will be seeing how to unpublish a content type in SharePoint 
2010.
In this article we will be seeing the following:
	- UnPublish a content type using console 
	application
- UnPublish a content type using powershell 
	script
Steps Involved:
	- Open visual studio 2010.
- Create a new console application.
- Add the following references.
 - Microsoft.SharePoint.dll
- Microsoft.SharePoint.Taxonomy.dll
 
 
- Add the following namespaces.
 - Using Microsoft.SharePoint;
- Using Microsoft.Sharepoint.Taxonomy.ContentTypeSync; 
 
UnPublish a content type using console application:
using 
System;
using 
System.Collections.Generic;
using 
System.Linq;
using 
System.Text;
using 
Microsoft.SharePoint;
using 
Microsoft.SharePoint.Taxonomy.ContentTypeSync;
namespace 
EMM
{
    class Program
    {
        static void 
Main(string[] args)
        {
            using (SPSite site =
new SPSite("http://servername:10/"))
            {
                using (SPWeb web = site.RootWeb)
                {
                    SPContentType contentType = web.ContentTypes["_bContentType"];
                    if (ContentTypePublisher.IsContentTypeSharingEnabled(site))
                    {
                        ContentTypePublisher ctPublisher =
new ContentTypePublisher(site);
                        ctPublisher.UnPublish(contentType);
                        Console.WriteLine(contentType.Name 
+ " is unpublished successfully");
                        Console.ReadLine();
                    }
                }
            }
        }
    }
}
![Unpublisshare1.gif]()
Go to Site Actions=> Site Settings => Galleries => Site Content Types => Manage 
publishing for the content type.
![Unpublisshare2.gif]()
You could see the content type is unpublished successfully.
![Unpublisshare3.gif]()
Publish a content type using powershell script:
$hubSite=Get-SPSite "http://servername:10/"
$hubWeb=$hubSite.RootWeb
$contentType=$hubWeb.ContentTypes["_bContentType"]
$ctPublisher=New-Object 
Microsoft.SharePoint.Taxonomy.ContentTypeSync.ContentTypePublisher($hubSite)
$ctPublisher.UnPublish($contentType)