Use these key combinations to edit code in the Code window:

Press To
CTRL+C Copy the selected text to the Clipboard.
CTRL+X Cut the selected text to the Clipboard.
DELETE or DEL Delete the selected text without placing it on the Clipboard.
CTRL+V Paste the Clipboard contents at the insertion point.
CTRL+Z Undo the last editing action in the current line.
CTRL+Y Cut the current line to the Clipboard.
CTRL+DELETE Delete to the end of the word.
CTRL+BACKSPACE Delete to the beginning of the word.
SHIFT+F4 Find Next: repeat text search down through your code. If no text search has been done, the Find dialog box is displayed.
SHIFT+F3 Find Previous: repeat text search up through your code. If no text search has been done, the Find dialog box is displayed.
SHIFT+TAB Remove indent.