The name of property in visual basic

[Bluestar88]

I wanna design a new tool(which is shown in the below picture) with visual basic, but I do not know its name?

If I describe it, by clicking beside the the texts, submenus are shown and then by clicking again they are hided.

Please tell me it's name in visual basic....please help me.....:bang:

 

[horace1]

this looks like the TreeView component
do a wed search for vb.net treeview and you will see plenty of examples

 

[Bluestar88]

Thanks Dear horace1.
You really helped me.....Thanks alot