Martin Hatch – SharePoint Evangelist

ContentTypeInstaller : SPFeatureReceiver

// CODE DESCRIPTION

// —————-

/*

public override void FeatureActivated(SPFeatureReceiverProperties properties)

using(SPSite site = (SPSite)properties.Feature.Parent)

"");

// loop through each of the elements in the feature

foreach (SPElementDefinition element in properties.Definition.GetElementDefinitions(CultureInfo.CurrentCulture))

Loop through feature elements

// retrieve the xml content for the feature element

// only continue if the element is a content type definition

if (content.Name == "ContentType")

// grab a new Content Type object

string strCTypeID = content.Attributes["ID"].Value;

new SPContentTypeId(strCTypeID)];

Get FieldRef Order from Content type

// grab the original order, we will need this later

string[] fieldOrder = new string[cType.FieldLinks.Count];

int x = 0;

foreach (SPFieldLink fieldlink in cType.FieldLinks)

Add new columns to the content type

// loop through each sub-node in the Content Type file

foreach (XmlNode node in content.ChildNodes)

loop through sub nodes

// only continue for

// the FieldRefs collection

if (node.Name == "FieldRefs")

foreach (XmlNode fieldRef in node.ChildNodes)

Loop through FieldRefs

// only apply for FieldRef tags

if (fieldRef.Name == "FieldRef")

// retrieve the SPField object

string fieldID = fieldRef.Attributes["ID"].Value;

//SPFieldLink fieldLink = cType.FieldLinks[new Guid(fieldID)];

new Guid(fieldID)];

// first we need to remove the fieldref

new Guid(fieldID));

// and save, pushing this change down

true);

// NOTE – this will NOT delete any content

// in existing lists!

// now add the field back in again

new SPFieldLink(field));

// and call an update, pushing down all changes

true);

// NOTE – this is what adds the column to those

// lists who don’t already have it.

Apply changes

// reset the field order

// it is possible that adding and

// removing fields would have

// affected this

// force update of the content type,

// pushing down to children

true);

public override void FeatureDeactivating(SPFeatureReceiverProperties properties)

public override void FeatureInstalled(SPFeatureReceiverProperties properties)

public override void FeatureUninstalling(SPFeatureReceiverProperties properties)