Keyboard shortcut to Un/Comment out code in Mathematica 7?

Question

A keyboard shortcut to comment/uncomment out a piece of code is common in other programming IDE\'s for languages like Java, .Net. I find it a very useful technique when expe

Answer 1

Here is code for your KeyEventTranslations.tr file that will comment out code. I am still working on the other half.

Item[KeyEvent["/", Modifiers -> {Command}],
    FrontEndExecute[{
        NotebookApply[FrontEnd`InputNotebook[],
            "(*\[SelectionPlaceholder]*)"
        ]
    }]
], 

This binds it to Alt+/ as it is in Mathematica 8.