我是一个学vb的新手,程序如下:
private sub TimeGetTime Lib"winmm.dll"() AS Long
private sub savetime(n)
dim savetime#
while TimeGetTime<savetime+n
DoEvents
wendPrivate Sub showtime()
time.Caption = player.Controls.currentPositionString
time1.Caption = player.currentMedia.durationString
Call savetime(1000)
Call showtime
End SubPrivate Sub Form_Load()
call showtime
End Sub
这个过程是用来显示window media player播放器控件时间的,运行此程序时会导致cpu占用100%
此外,当打开一个音乐文件后,再关闭程序的时候会出现错误:"未设置对象变量或with block变量"调试出错的是这一句:time1.Caption = player.currentMedia.durationString 我真不明白,请高手指点,如何解决cpu 100% 如何修改上面的错误
万分感谢
dim savetime_ as single
savetime_ = timer
while Timer < savetime_+n
DoEvents
wend
end sub控件也许是已经退出播放状态了,再调用就有问题了。
time1.Caption = player.currentMedia.durationString
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写作,虽然每个人都会查阅辞海,可,不是人人都能写出不朽的篇章的。编程,如是也。
Dim Pausetime As Double
Pausetime = msec / 1000 start = Timer
Do While Timer < start + Pausetime
If bStop = True Then Exit Sub
DoEvents
Loop