我想爲richtextbox中的所有字符串着色。例如,如果一個特定的字符串的前綴是 Received:那麼它應該是藍色 Send:那麼它應該是紅色 Info:那麼它應該是綠色 *The way I output the text in the RichTextBox is by ascending order, it means that all the newest messages will
從App Engine doc: Note: In extremely rare cases, the transaction is fully committed even if a transaction
returns a timeout or internal error exception. For this reason, it's best to make transactions