To quickly duplicate a code line or selection
  1. Position the caret at any line, or select a block of source code:
    Coding_Assistance__Duplicate_Line_Block__01
  2. On the main menu, choose ReSharper | Edit | Duplicate Text, or, alternatively, press Ctrl+D. A code duplicate will be inserted right after the original code:
    Coding_Assistance__Duplicate_Line_Block__02