Message in Chinese (Simplified) (中文(简体))
AsyncCodeActivity.BeginExecute 必须返回 IAsyncResult,且其 IAsyncResult.AsyncState 必须为运行时提供的状态对象。
Unlocalized message
AsyncCodeActivity.BeginExecute must return an IAsyncResult where IAsyncResult.AsyncState is the state object provided by the runtime.
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