如何实现DirectMusic的暂停功能

rikpan

PlaySegmentEx的flag用的是DMUS_SEGF_SECONDARY | DMUS_SEGF_REFTIME
用SetStartPoint后，PlaySegmentEx的i64StartTime设0，变成从开头放
GetTime后设置PlaySegmentEx的i64StartTime，还是不行，PlaySegmentEx报错The time is in the past, and the operation can not succeed.
到底怎么搞哦，哪位指点一下。