private void EnsureListContentTypes(ref SPList list, ref SPContentType cType)
{
#region Ensure List has Content Type
SPContentType listContenType = null;
try
{
listContenType = list.ContentTypes[list.GetDirectChildContentType(cType.Id)];
}
catch { /* expected: not yet contained */ }
if (listContenType == null)
{
list.ContentTypesEnabled = true;
listContenType = list.ContentTypes.Add(cType);
list.Update();
}
#endregion
#region Remove unwanted Content Types
if (RemoveDefaultContentTypesOnListCreation)
{
List <SPContentTypeId> deletionIds = new List <SPContentTypeId>();
bool someLeft = false;
string prefix = string.Concat(ParentSchema.GroupName, ParentSchema.ContentTypeNameSchemaSeparator);
foreach (SPContentType iType in list.ContentTypes)
{
if (!iType.Name.StartsWith(prefix) && iType.Name != listContenType.Name)
{
deletionIds.Add(iType.Id);
}
else
{
someLeft = true;
}
}
if (someLeft)
{
foreach (SPContentTypeId iId in deletionIds)
{
list.ContentTypes.Delete(iId);
}
list.Update();
}
}
#endregion
}
