Managed Client Object Models in SharePoint Foundation 201

Work with Roles
using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class CreateRoleDefinition
    {
        static void Main()
        {
            ClientContext oClientContext = 
new ClientContext("http://MyServer/sites/MySiteCollection");

            Web oWebsite = clientContext.Web;

            BasePermissions permissions = new BasePermissions();
            permissions.Set(PermissionKind.CreateAlerts);
            permissions.Set(PermissionKind.ManageAlerts);

            RoleDefinitionCreationInformation roleCreationInfo = 
new RoleDefinitionCreationInformation();

            roleCreationInfo.BasePermissions = permissions;
            roleCreationInfo.Description = 
"A new role with create and manage alerts permission";
            roleCreationInfo.Name = "Create and Manage Alerts";
            roleCreationInfo.Order = 4;

            RoleDefinition oRoleDefinition = 
oWebsite.RoleDefinitions.Add(roleCreationInfo);

            clientContext.ExecuteQuery();

            Console.WriteLine("{0} role created.", oRoleDefinition.Name);
        }
    }
}

Retrieving all users from a SharePoint group




using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveAllUsersInGroup
    {
        static void Main()
        {
            ClientContext clientContext = 
new ClientContext("http://MyServer/sites/MySiteCollection");
            GroupCollection collGroup = clientContext.Web.SiteGroups;
            Group oGroup = collGroup.GetById(7);
            UserCollection collUser = oGroup.Users;

            clientContext.Load(collUser);

            clientContext.ExecuteQuery();

            foreach (User oUser in collUser)
            {
                Console.WriteLine("User: {0}  ID: {1} Email: {2} Login Name: {3}", 
                    oUser.Title, oUser.Id, oUser.Email, oUser.LoginName);
            }
        }
    }
}

Create, Update, and Delete List Items

using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class CreateListItem
    {
        static void Main()
        {   
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            ListItemCreationInformation itemCreateInfo = 
new ListItemCreationInformation();
            ListItem oListItem = oList.AddItem(itemCreateInfo);
            oListItem["Title"] = "My New Item!";
            oListItem["Body"] = "Hello World!";

            oListItem.Update();

            clientContext.ExecuteQuery(); 
        }
    }
}

Updating a list item




using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class UpdateListItem
    {
        static void Main()
        {   
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");
            ListItem oListItem = oList.Items.GetById(3);

            oListItem["Title"] = "My Updated Title.";

            oListItem.Update();

            clientContext.ExecuteQuery(); 
        }
    }
}
Deleting a list item




using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class DeleteListItem
    {
        static void Main()
        {   
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");
            ListItem oListItem = oList.GetItemById(2);

            oListItem.DeleteObject();

            clientContext.ExecuteQuery(); 
        }
    }
}

---------Or------

using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class DeleteListItemDisplayCount
    {
        static void Main()
        {   
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            clientContext.Load(oList,
                list => list.ItemCount);

            clientContext.ExecuteQuery();

            int startCount = oList.ItemCount;
            ListItem oListItem = oList.GetItemById(2);

            oListItem.DeleteObject();

            oList.Update();

            clientContext.Load(oList,
                list => list.ItemCount);

            clientContext.ExecuteQuery();

            int endCount = oList.ItemCount;

            Console.WriteLine("Start: {0}  End: {1}", startCount, endCount);
        }
    }
}
Retrieve List Items
using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveListItems
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            CamlQuery camlQuery = new CamlQuery();
            camlQuery.ViewXml = "<View><Query><Where><Geq><FieldRef Name='ID'/>" +
                "<Value Type='Number'>10</Value></Geq></Where></Query><RowLimit>100</RowLimit></View>";
            ListItemCollection collListItem = oList.GetItems(camlQuery);

            clientContext.Load(collListItem);

            clientContext.ExecuteQuery();

            foreach (ListItem oListItem in collListItem)
            {
                Console.WriteLine("ID: {0} \nTitle: {1} \nBody: {2}", oListItem.Id, oListItem["Title"], oListItem["Body"]);
            }
        }
    }
}

Using the Include method




using System;
using System.Linq;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveListItemsInclude
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            CamlQuery camlQuery = new CamlQuery();
            camlQuery.ViewXml = "<View><RowLimit>100</RowLimit></View>";

            ListItemCollection collListItem = oList.GetItems(camlQuery);

            clientContext.Load(collListItem,
                 items => items.Include(
                    item => item.Id,
                    item => item.DisplayName,
                    item => item.HasUniqueRoleAssignments));

            clientContext.ExecuteQuery();

            foreach (ListItem oListItem in collListItem)
            {
                Console.WriteLine("ID: {0} \nDisplay name: {1} \nUnique role assignments: {2}",
                    oListItem.Id, oListItem.DisplayName, oListItem.HasUniqueRoleAssignments);
            }
        }
    }
}

Retrieving specific fields from a specified number of items




using System;
using System.Linq;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveSpecificItemsFields
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            CamlQuery camlQuery = new CamlQuery();
            ListItemCollection collListItem = oList.GetItems(camlQuery);

            clientContext.Load(
                collListItem,
                items => items.Take(5).Include(
                item => item["Title"],
                item => item["Body"]));

            clientContext.ExecuteQuery();

            foreach (ListItem oListItem in collListItem)
            {
                Console.WriteLine("Title: {0} \nBody: {1}\n", oListItem["Title"], oListItem["Body"]);
            }
        }
    }
}
Retrieving items from all the lists in a Web site




using System;
using System.Linq;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveFirstTenItemsAllLists
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            ListCollection collList = clientContext.Web.Lists;

            clientContext.Load(
                collList,
                lists => lists.Where(
                    list => list.Hidden == false).Include(
                    list => list.Title,
                    list => list.Items.Take(10)));

            clientContext.ExecuteQuery();

            foreach (SP.List oList in clientContext.Web.Lists)
            {
                string listTitle = oList.Title;
                int itemCount = oList.Items.Count;

                Console.WriteLine("List {0} returned with {1} items", listTitle, itemCount);
            }
        }
    }
}
Retrieving items using list item collection position




using System;
using System.Linq;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class UsingItemCollectionPosition
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            ListItemCollectionPosition itemPosition = null;

            while (true)
            {
                CamlQuery camlQuery = new CamlQuery();

                camlQuery.ListItemCollectionPosition = itemPosition;

                camlQuery.ViewXml = "<View><ViewFields><FieldRef Name='ID'/>" + 
                    "<FieldRef Name='Title'/><FieldRef Name='Body'/>" + 
                    "</ViewFields><RowLimit>5</RowLimit></View>";

                ListItemCollection collListItem = oList.GetItems(camlQuery);

                clientContext.Load(collListItem);

                clientContext.ExecuteQuery();

                itemPosition = collListItem.ListItemCollectionPosition;

                foreach (ListItem oListItem in collListItem)
                {
                    Console.WriteLine("Title: {0}: \nBody: {1}", oListItem["Title"], oListItem["Body"]);
                }

                if (itemPosition == null)
                {
                    break;
                }

                Console.WriteLine("\n" + itemPosition.PagingInfo + "\n");
            }
        }

    }
}

Create, Update, and Delete Lists
using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class CreateList
    {
        static void Main()
        {           
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;

            ListCreationInformation listCreationInfo = new ListCreationInformation();
            listCreationInfo.Title = "My Announcements List";
            listCreationInfo.TemplateType = (int)ListTemplateType.Announcements;

            List oList = oWebsite.Lists.Add(listCreationInfo);

            clientContext.ExecuteQuery();
        }
    }
}

Adding a field to a list




using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client; 

namespace Microsoft.SDK.SharePointServices.Samples
{
    class Program
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);

            SP.List oList = clientContext.Web.Lists.GetByTitle("Announcements");

            SP.Field oField = oList.Fields.AddFieldAsXml("<Field DisplayName='MyField' Type='Number' />",

                true, AddFieldOptions.DefaultValue);

            SP.FieldNumber fieldNumber = clientContext.CastTo<FieldNumber>(oField);
            fieldNumber.MaximumValue = 100;
            fieldNumber.MinimumValue = 35;

            fieldNumber.Update();

            clientContext.ExecuteQuery();
        }
    }
}

Deleting a list




using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class DeleteList
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;

            List oList = oWebsite.Lists.GetByTitle("My Announcements List");

            oList.DeleteObject();

            clientContext.ExecuteQuery();
        }
    }
}

Retrieving all properties of all lists in a Web site




using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveAllListProperties
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;
            ListCollection collList = oWebsite.Lists;

            clientContext.Load(collList);

            clientContext.ExecuteQuery();

            foreach (SP.List oList in collList)
            {
                Console.WriteLine("Title: {0} Created: {1}", oList.Title, oList.Created.ToString());
            }
        }
    }
}
Retrieving only specified properties of lists




using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveSpecificListProperties
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;
            ListCollection collList = oWebsite.Lists;

            clientContext.Load(
                collList,
                lists => lists.Include(
                    list => list.Title, 
                    list => list.Id));

            clientContext.ExecuteQuery();

            foreach (SP.List oList in collList)
            {
                Console.WriteLine("Title: {0} ID: {1}", oList.Title, oList.Id.ToString("D"));
            }
        }
   }
}

Storing retrieved lists in a collection




using System;
using System.Collections.Generic;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveSpecificListPropertiesToCollection
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;
            ListCollection collList = oWebsite.Lists;

            IEnumerable<SP.List> resultCollection = clientContext.LoadQuery(
                collList.Include(
                    list=>list.Title,
                    list=>list.Id));

            clientContext.ExecuteQuery();

            foreach (SP.List oList in resultCollection)
            {
                Console.WriteLine("Title: {0} ID: {1}", oList.Title, oList.Id.ToString("D"));
            }
        }
    }
}

Retrieving list fields from a Web site




using System;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class RetrieveSpecificListPropertiesToCollection
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";

            ClientContext clientContext = new ClientContext(siteUrl);
            Web oWebsite = clientContext.Web;
            ListCollection collList = oWebsite.Lists;

            IEnumerable<SP.List> listInfo = clientContext.LoadQuery(
                collList.Include(
                    list => list.Title,
                    list => list.Fields.Include(
                        field => field.Title,
                        field => field.InternalName)));
 
             clientContext.ExecuteQuery();

            foreach (SP.List oList in listInfo)
            {
                FieldCollection collField = oList.Fields;

                foreach (SP.Field oField in collField)
                {
                    Regex regEx = new Regex("name", RegexOptions.IgnoreCase);
                    
                    if (regEx.IsMatch(oField.InternalName))
                    {
                        Console.WriteLine("List: {0} \n\t Field Title: {1} \n\t Field Internal Name: {2}", 
                            oList.Title, oField.Title, oField.InternalName);
                    }
                }
            }
        }
    }
}

Use Conditional Scope
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class Program
    {
        static void Main(string[] args)
        {
            ClientContext clientContext = new ClientContext("http://MyServer/sites/MySiteCollection");
            Web oWebsite = clientContext.Web;
            List oList = oWebsite.GetCatalog((int)ListTemplateType.WebPartCatalog);

            BasePermissions permissions = new BasePermissions();
            permissions.Set(PermissionKind.ManageLists);

            ConditionalScope scope = new ConditionalScope(
                clientContext,
                () => oList.ServerObjectIsNull.Value != true
                    && oWebsite.DoesUserHavePermissions(permissions).Value == true);

            using (scope.StartScope())
            {
                clientContext.Load(oList,
                    list=>list.Title);
            }

            clientContext.ExecuteQuery();

            Console.WriteLine(scope.TestResult.Value);

            if (scope.TestResult.Value)
            {
                Console.WriteLine(oList.Title);
            }
        }
    }
}

Work with Web Parts on a Page

using System;
using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.WebParts;

namespace SampleCode
{
    class UpdateWebPartTitle
    {
        static void Main()
        {
            ClientContext oClientContext = new ClientContext("http://MyServer/sites/MySiteCollection");
            File oFile = oClientContext.Web.GetFileByServerRelativeUrl("Default.aspx");
            LimitedWebPartManager limitedWebPartManager = oFile.GetLimitedWebPartManager(PersonalizationScope.Shared);

            oClientContext.Load(limitedWebPartManager.WebParts,
                wps => wps.Include(
                wp => wp.WebPart.Title));

            oClientContext.ExecuteQuery();

            if (limitedWebPartManager.WebParts.Count == 0)
            {
                throw new Exception("No Web Parts on this page.");
            }

            WebPartDefinition oWebPartDefinition = limitedWebPartManager.WebParts[1];
            WebPart oWebPart = oWebPartDefinition.WebPart;
            oWebPart.Title = "My New Web Part Title";

            oWebPartDefinition.SaveWebPartChanges();

            oClientContext.ExecuteQuery();
         }
    }
}

Adding a Web Part to a page




using System;
using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.WebParts;

namespace SampleCode
{
    class AddWebPart
    {
        static void Main()
        {
            ClientContext oClientContext = new ClientContext("http://MyServer/sites/MySiteCollection");
            File oFile = oClientContext.Web.GetFileByServerRelativeUrl("Default.aspx");
            LimitedWebPartManager limitedWebPartManager = oFile.GetLimitedWebPartManager(PersonalizationScope.Shared);

            string xmlWebPart = "<?xml version=\"1.0\" encoding=\"utf-8\"?>" + 
                "<WebPart xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"" + 
                " xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\"" + 
                " xmlns=\"http://schemas.microsoft.com/WebPart/v2\">" + 
                "<Title>My Web Part</Title><FrameType>Default</FrameType>" + 
                "<Description>Use for formatted text, tables, and images.</Description>" +
                "<IsIncluded>true</IsIncluded><ZoneID></ZoneID><PartOrder>0</PartOrder>" +
                "<FrameState>Normal</FrameState><Height /><Width /><AllowRemove>true</AllowRemove>" +
                "<AllowZoneChange>true</AllowZoneChange><AllowMinimize>true</AllowMinimize>" +
                "<AllowConnect>true</AllowConnect><AllowEdit>true</AllowEdit>" +
                "<AllowHide>true</AllowHide><IsVisible>true</IsVisible><DetailLink /><HelpLink />" +
                "<HelpMode>Modeless</HelpMode><Dir>Default</Dir><PartImageSmall />" +
                "<MissingAssembly>Cannot import this Web Part.</MissingAssembly>" +
                "<PartImageLarge>/_layouts/images/mscontl.gif</PartImageLarge><IsIncludedFilter />" +
                "<Assembly>Microsoft.SharePoint, Version=13.0.0.0, Culture=neutral, " + 
                "PublicKeyToken=94de0004b6e3fcc5</Assembly>" +
                "<TypeName>Microsoft.SharePoint.WebPartPages.ContentEditorWebPart</TypeName>" +
                "<ContentLink xmlns=\"http://schemas.microsoft.com/WebPart/v2/ContentEditor\" />" +
                "<Content xmlns=\"http://schemas.microsoft.com/WebPart/v2/ContentEditor\">" +
                "<![CDATA[This is a first paragraph!<DIV>&nbsp;</DIV>And this is a second paragraph.]]></Content>" + 
                "<PartStorage xmlns=\"http://schemas.microsoft.com/WebPart/v2/ContentEditor\" /></WebPart>";
            
            WebPartDefinition oWebPartDefinition = limitedWebPartManager.ImportWebPart(xmlWebPart);

            limitedWebPartManager.AddWebPart(oWebPartDefinition.WebPart, "Left", 1);

            oClientContext.ExecuteQuery();            
        }
    }
}

Deleting a Web Part from a page




using System;
using Microsoft.SharePoint.Client;
using Microsoft.SharePoint.Client.WebParts;

namespace SampleCode
{
    class DeleteWebPart
    {
         static void Main()
        {
            ClientContext oClientContext = new ClientContext("http://MyServer/sites/MySiteCollection");
            File oFile = oClientContext.Web.GetFileByServerRelativeUrl("/sites/MySiteCollection/SitePages/Home.aspx ");
            LimitedWebPartManager limitedWebPartManager = oFile.GetLimitedWebPartManager(PersonalizationScope.Shared);

            oClientContext.Load(limitedWebPartManager.WebParts);
                        
            oClientContext.ExecuteQuery();

            if (limitedWebPartManager.WebParts.Count == 0)
            {
                throw new Exception("No Web Parts to delete.");
            }

            WebPartDefinition webPartDefinition = limitedWebPartManager.WebParts[0];

            webPartDefinition.DeleteWebPart();
            
            oClientContext.ExecuteQuery();            
        }
    }
}

Work with User Custom Actions
using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class CreateUserCustomActionList
    {
        static void Main()
        {
            string urlWebsite = "http://MyServer/sites/MySiteCollection";
            ClientContext clientContext = new ClientContext(urlWebsite);
            Web oWebsite = clientContext.Web;

            List oList = oWebsite.Lists.GetByTitle("My List");
            UserCustomActionCollection collUserCustomAction = oList.UserCustomActions;

            UserCustomAction oUserCustomAction = collUserCustomAction.Add();
            oUserCustomAction.Location = "EditControlBlock";
            oUserCustomAction.Sequence = 100;
            oUserCustomAction.Title = "My First User Custom Action";
            oUserCustomAction.Url = urlWebsite + @"/_layouts/MyPage.aspx";
            oUserCustomAction.Update();

            clientContext.Load(oList,
                list => list.UserCustomActions);

            clientContext.ExecuteQuery();
        }
    }
}

Modifying a user custom action




using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class ModifyUserCustomAction
    {
        static void Main()
        {
            string urlWebsite = "http://MyServer/sites/SiteCollection";
            ClientContext clientContext = new ClientContext(urlWebsite);
            Web oWebsite = clientContext.Web;

            List oList = oWebsite.Lists.GetByTitle("My List");
            UserCustomActionCollection collUserCustomAction = oList.UserCustomActions;

            clientContext.Load(collUserCustomAction,
                userCustomActions => userCustomActions.Include(
                    userCustomAction => userCustomAction.Title));

            clientContext.ExecuteQuery();

            foreach (UserCustomAction oUserCustomAction in collUserCustomAction)
            {
                if (oUserCustomAction.Title == "My First User Custom Action")
                {
                    oUserCustomAction.ImageUrl = "http://MyServer/_layouts/images/MyIcon.png";
                    oUserCustomAction.Update();

                    clientContext.ExecuteQuery();
                }
            }
        }
    }
}

Adding a user custom action to the site actions of a Web site

using System;
using Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class CreateUserCustomActionSite
    {
        static void Main()
        {
            string urlWebsite = "http://MyServer/sites/MySiteCollection";
            ClientContext clientContext = new ClientContext(urlWebsite);

            Web oWebsite = clientContext.Web;
            UserCustomActionCollection collUserCustomAction = oWebsite.UserCustomActions;

            UserCustomAction oUserCustomAction = collUserCustomAction.Add();

            oUserCustomAction.Location = "Microsoft.SharePoint.StandardMenu";
            oUserCustomAction.Group = "SiteActions";
            oUserCustomAction.Sequence = 101;
            oUserCustomAction.Title = "Website User Custom Action";
            oUserCustomAction.Description = "This description appears on the Site Actions menu.";
            oUserCustomAction.Url = urlWebsite + @"/_layouts/MyPage.aspx";

            oUserCustomAction.Update();

            clientContext.Load(oWebsite,
                webSite => webSite.UserCustomActions);

            clientContext.ExecuteQuery();
        }
    }
}


Break Role Assignment Inheritance
using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class BreakSecurityInheritance
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";
            ClientContext oContext = new ClientContext(siteUrl);
            SP.List oList = oContext.Web.Lists.GetByTitle("Announcements");

            oList.BreakRoleInheritance(true, false);

            oContext.ExecuteQuery();
        }
    }
}


Breaking the security inheritance of a document and adding a user as reader

using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class BreakSecurityInheritanceAddUser
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";
            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("MyList");

            int itemId = 3;
            ListItem oListItem = oList.Items.GetById(itemId);

            oListItem.BreakRoleInheritance(false);

            User oUser = clientContext.Web.SiteUsers.GetByLoginName(@"DOMAIN\alias");

            RoleDefinitionBindingCollection collRoleDefinitionBinding = new RoleDefinitionBindingCollection(clientContext);

            collRoleDefinitionBinding.Add(clientContext.Web.RoleDefinitions.GetByType(RoleType.Reader));

            oListItem.RoleAssignments.Add(oUser, collRoleDefinitionBinding);

            clientContext.ExecuteQuery();
        }
    }
}


Breaking the security inheritance of a document and changing the permissions of a user

using System;
using Microsoft.SharePoint.Client;
using SP = Microsoft.SharePoint.Client;

namespace Microsoft.SDK.SharePointServices.Samples
{
    class BreakSecurityInheritanceChangeUser
    {
        static void Main()
        {
            string siteUrl = "http://MyServer/sites/MySiteCollection";
            ClientContext clientContext = new ClientContext(siteUrl);
            SP.List oList = clientContext.Web.Lists.GetByTitle("MyList");

            int itemId = 2;
            ListItem oListItem = oList.Items.GetById(itemId);

            oListItem.BreakRoleInheritance(true);

            User oUser = clientContext.Web.SiteUsers.GetByLoginName(@"DOMAIN\alias");
            oListItem.RoleAssignments.GetByPrincipal(oUser).DeleteObject();

            RoleDefinitionBindingCollection collRollDefinitionBinding = new RoleDefinitionBindingCollection(clientContext);

            collRollDefinitionBinding.Add(clientContext.Web.RoleDefinitions.GetByType(RoleType.Reader));

            oListItem.RoleAssignments.Add(oUser, collRollDefinitionBinding);

            clientContext.ExecuteQuery();
        }
    }
}