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□ 主题：用API实现软件的背景音乐功能

□ 内容：

1楼

      ''''声明
      Private Declare Function mciSendString Lib "winmm.dll" Alias _
      "mciSendStringA" (ByVal lpstrCommand As String, ByVal _
      lpstrReturnString As Any, ByVal uReturnLength As Long, ByVal _
      hwndCallback As Long) As Long
      Dim i As Integer

      Private Sub playsound(FileName As String)
      Dim ret As Integer
      ret = mciSendString("close MyWav", 0&, 0, 0)
      Select Case UCase(Right(FileName, 3))
      Case "WAV"
      ret = mciSendString("open " & FileName & " type WAVEAudio alias MyWav", 0&, 0, 0)
      Case "MID"
      ret = mciSendString("open " & FileName & " type Sequencer alias MyWav", 0&, 0, 0)
      Case "AVI"
      ret = mciSendString("open " & filename & " type AVIvideo alias MyWav", 0&, 0, 0)
      Case "CDA"
      ret = mciSendString("open " & filename & " type CDaudio alias MyWav", 0&, 0, 0)
      Case Else
      ret = mciSendString("open " & FileName & " alias MyWav", 0&, 0, 0)
      End Select
      ret = mciSendString("play MyWav", 0&, 0, 0)
      End Sub

      Private Sub Timer3_Timer()
      Dim s As String
      s = String(256, Chr(0))
      Call mciSendString("status MyWav mode", s, Len(s), 0)
      If InStr(1, s, "stop", vbTextCompare) Then
      playsound filename
      End If
      End Sub

      调用:playsound music.mid

——

□ 争分夺秒背单词 → western a.西方的，西部的

□ 发帖时间：2004-2-29｜18:23:03

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