Here is how the copy & paste function in Flash applications works:
1) Update your Flash player to the latest version:
http://get.adobe.com/flashplayer
2) Copy text from in-game messages by selecting the text and pressing control + insert on your keyboard.
Paste text to in-game messages with shift + insert.
Guild chat
Order in the chat to a written message
copy , proceed as follows:
1. Click with the left mouse button on the gap between left chat edge and the first digit of the time of the row to be copied. Then immediately right. That must be pretty quickly, almost at the same time.
2. Go to "Settings"
3. Close the settings window via the button "Close" bottom right
4. The message is now black.
CTRL + C copy this line, CTRL + V pastes these