Tv:=TIWCGJQTreeView.Create(Self);
Tv.Parent:=RegionTests;
Tv.Align:=alclient;
Tv.Name:=CGFindUniqueComponentName(RegionTests,'tv_');
for I := 0 to 9 do
begin
with Tv.TreeNodes.Add do begin
Caption:=Format('Node %d',[i]);
end;
end;