sound用作名词的基本意思是“声音”,表示抽象意义的声音或泛指能听见的一切声音时是不可数名词,表示具体的声音或某种特殊的声音时是可数名词。当表示某一次听到的声音时用复数,当指引起人们注意的某种声音时,用单数。
A string that specifies the sound to play. If this parameter is NULL, any currently playing waveform sound is stopped. To stop a non-waveform sound, specify SND_PURGE in the fdwSound parameter.<br>Three flags in fdwSound (SND_ALIAS, SND_FILENAME, and SND_RESOURCE) determine whether the name is interpreted as an alias for a system event, a filename, or a resource identifier. If none of these flags are specified, PlaySound searches the registry or the WIN.INI file for an association with the specified sound name. If an association is found, the sound event is played. If no association is found in the registry, the name is interpreted as a filename.<br>hmod<br>Handle of the executable file that contains the resource to be loaded. This parameter must be NULL unless SND_RESOURCE is specified in fdwSound.<br>fdwSound<br>Flags for playing the sound. The following values are defined:<br>SND_APPLICATION<br>The sound is played using an application-specific association.<br>SND_ALIAS<br>The pszSou