public static void CopyFiles(SPDocumentLibrary sourceDocLib, SPDocumentLibrary targetDocLib,
bool overwrite = false, bool includeHistory = false, string queryStr = "", string targetContentTypeName = "")
{
SPQuery query = new SPQuery {
RowLimit = MaxRowLimit, Folder = sourceDocLib.RootFolder, Query = queryStr
};
SPListItemCollectionPosition listItemCollectionPosition;
do
{
SPListItemCollection items = sourceDocLib.GetItems(query.InScope(SPViewScope.FilesOnly));
listItemCollectionPosition = items.ListItemCollectionPosition;
foreach (SPListItem item in items)
{
SPFile file = item.File;
SPFolder targetFolder = targetDocLib.RootFolder;
if (!file.Exists)
{
continue;
}
SPFile newFile = includeHistory
? CopyFileAndHistory(file, targetFolder, overwrite)
: CopyFile(file, targetFolder, overwrite);
SPListItem newItem = newFile.Item;
newItem[SPBuiltInFieldId.ContentType] = string.IsNullOrEmpty(targetContentTypeName)
? item.ContentType.Name
: targetContentTypeName;
newItem[SPBuiltInFieldId.Created] = file.TimeCreated;
//newItem[SPBuiltInFieldId.Modified] = file.TimeLastModified;
newItem[SPBuiltInFieldId.Author] = newFile.Author;
//newItem[SPBuiltInFieldId.Editor] = newFile.ModifiedBy;
newFile.Item.SystemUpdate(false);
}
} while (listItemCollectionPosition != null);
}
public static void Clear(this SPList list, SPQuery spQuery, bool recycleBinDisabled = false)
{
if (list == null)
{
throw new ArgumentNullException("list");
}
int itemCount = list.ItemCount;
if (itemCount == 0)
{
return;
}
SPListItemCollectionPosition listItemCollectionPosition;
do
{
SPListItemCollection items = list.GetItems(spQuery.InScope(SPViewScope.Recursive));
listItemCollectionPosition = items.ListItemCollectionPosition;
if (list.ItemCount != 0)
{
Clear(items, recycleBinDisabled);
}
itemCount -= (int)spQuery.RowLimit;
if (itemCount <= 0)
{
break;
}
} while (listItemCollectionPosition != null);
if (list.ItemCount != 0)
{
list.Update();
}
}