To navigate to implementation of a type or type member
  1. Place the caret at the declaration or usage of a type or type member.
  2. On the main menu, choose ReSharper | Navigate | Go to Implementation, or press Ctrl+Shift+Alt+B.
  3. Select an implementation from the drop-down list.
       To display the list of found implementations in the Find Results window, press + on the numeric keypad.