1.DispatchMessage (&msg)会将消息通过操作系统传递到你写的窗口过程中（WndPro），即操作系统调用窗口过程，当完成调用窗口过程，DispatchMessage (&msg)函数返回，GetMessage 下一条消息！
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如果你没有窗口或者是你不想在窗口过程中处理定时器消息，你必须在函数的窗口句柄的地方传递一空值。
If you don't have a window or you don't want to process the timer messages in the window procedure, you must pass NULL to the function in place of a window handle.
然而，一旦用户请求了一个帮助文件，在请求过程中适当的JAR就会被下载，并伴有一个通知用户大致的下载时间的窗口。
However, once the user had requested a help file, the appropriate JAR file will be downloaded during this request, with a window informing the user of an approximate download time.
如果构建过程中没有错误，则应当会看到显示正常谱阵图和 lissjous 可视化的普通 sndpeek 窗口。
If there are no errors in the build process, you should see a normal sndpeek window with the usual waveform and lissjous visualizations.
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