X,Y Position in tAdcDirectoryTreeView

Hi, 


It could be possible that XYToNode is returning nil, so I would assign this value to a private variable before accessing the FileName


var
  d: TAdvDirectoryTreeViewNode;
begin
  d := TAdvDirectoryTreeViewNode(tvDokumente.XYToNode(AuftragX,AuftragY).Node);
  if Assigned(d) then
    filename:=d.FileName;
end;