public void loadDocumentList(int documentSetUID = 0)
{
// Image list
//
ImageList imageList = ControllerUtils.GetImageList();
// Binding
tvFileList.ImageList = imageList;
// Clear nodes
tvFileList.Nodes.Clear();
var docoList = new DocumentList();
docoList.ListDocSet(documentSetUID);
// Load document in the treeview
//
Document root = new Document();
root.CUID = "ROOT";
root.RecordType = FCMConstant.RecordType.FOLDER;
root.UID = 0;
// root.Read();
//root = RepDocument.Read(false, 0, "ROOT");
root = BUSDocument.GetRootDocument();
DocumentList.ListInTree(tvFileList, docoList, root);
tvFileList.Nodes[0].Expand();
}