Message Interception: Allow applications to intercept window messages sent to the containing window.

消息截获：允许应用程序截获发向所属窗口的Window消息。

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Represents a delegate that is used to reference the method that will handle window messages.

表示一个委托，该委托用于引用将处理窗口消息的方法。

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The data transfer thread will be blocked until the transfer is complete, so it will not be able to process the window messages as soon as they arrive.

数据传输线程在完成传输前将被阻塞，因此在窗口消息到达时它将不能及时处理这些消息。

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The new compose window, popping out of the bottom of the screen, feels almost like a chat window, meant to suit users who fire off short messages as opposed to those who crank out 1, 000 words in a first message.

FORBES: Connect