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为什么只能用SendMessage发送消息WM

2025-03-15 12:15:34

推荐回答（1个）

回答1：

Windows的根本就是消息机制，SendMessage是Windows提供的一个API，发送消息当然只能用它了，如果是投递消息可以用PostMessage
SendMessage会等消息返回后再执行下面的程序语句
PostMessage把消息扔到消息队列后会马上返回，不会管消息最终的响应情况

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