Windows shell add item to context menu when click on blank part of folder

Question

Sorry if this has been asked before, I\'ve been looking around and it\'s hard to find what I want.

I know how to add a context menu item to a folder like so:

Answer 1

@Ben Voigt mentioned TortoiseSVN, you can also see WinMerge shell extension source code, or at last: create your own extension from scratch; I wanted to do something like this for XP but I have lots of other stuff to do now.

As a workaround, you can just open a folder in XP, and then select View->Explorer Bar->Folders, to have folder tree on left, and then you're able to right-click the folder (active folder gets hightlighted automatically).