private void LoadTree(DocumentCollection documents)
{
documentTreeView.Nodes.Clear();
_docTreeNodes.Clear();
var documentGroups = documents.GroupBy(n => n.Group);
foreach (var documentGroup in documentGroups)
{
RadTreeNode folderNode = new RadTreeNode(documentGroup.Key);
folderNode.ImageKey = "Folder";
foreach (Document document in documentGroup)
{
RadTreeNode documentNode = new RadTreeNode(document.FileName);
documentNode.Tag = document;
documentNode.ImageKey = GetDocumentImageKey(document);
_docTreeNodes[document.DocumentId] = documentNode;
folderNode.Nodes.Add(documentNode);
}
documentTreeView.Nodes.Add(folderNode);
}
}