The Edit menu groups message-window actions that work on the current chat view.
Clear Window
Clears all messages from the active channel or private conversation window. This runs the same action as /clear and cannot be undone.
Copy
Copies the current text selection from the chat log to the clipboard. The item is enabled only when selected text is inside the message log.
查找
Opens or closes the in-window Find bar for searching messages. You can also press Ctrl+Shift+F.