How to stop Visual Studio from opening a file on single click?

Question

In my Visual Studio 2012 Solution Explorer, when I single click a filename it opens it. This was different from Visual Studio 2010 (required a double click). Is there a way

Answer 1

Option 1: Using icon in Solution Explorer

You can enable or disable the feature in Solution Explorer using the "Preview Selected Items" button.

The icon is a Tab aligned to the right.

Option 2: Using the Options window

You can enable or disable the feature by going into Tools > Options and then Environment > Tabs and Windows.