Visual Studio: Is there a way to collapse all items of Solution Explorer?

Question

I know that I can use Arrow Keys to collapse items of solution explorer one by one, but I would like to know if there is a way to collapse all items with only one operation. I w

Answer 1

take a look on this
http://visualstudiogallery.msdn.microsoft.com/en-us/7272073b-32d4-4a84-93f7-77d09fb16f01