cancel message

基本解釋

Cancel in the error message and wait for the code element to appear in Class View.
“取消”，并等待代碼元素出現(xiàn)在類視圖中。
Lastly, a timer can be canceled by sending a control message with the "CANCEL" action.
最后，可以通過發(fā)送具有“CANCEL”操作的控制消息來取消計(jì)時(shí)器。
If you're using timers to track events and to make sure messages arrive in a timely manner, it's important to cancel these timers when a message is received.
如果您使用計(jì)時(shí)器跟蹤事件，以確保消息及時(shí)到達(dá)，重要的是要在收到消息后取消這些計(jì)時(shí)器。

But, in seven of the securities the trader wanted to cancel, an original message to trade the security was never sent, meaning in those cases there was nothing to cancel.
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