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- VERSION 5.00
- Object = "{C1A8AF28-1257-101B-8FB0-0020AF039CA3}#1.1#0"; "MCI32.OCX"
- Begin VB.Form frmWave
- BorderStyle = 1 'Fixed Single
- ClientHeight = 1380
- ClientLeft = 1350
- ClientTop = 4230
- ClientWidth = 5715
- LinkMode = 1 'Source
- LinkTopic = "Form4"
- MaxButton = 0 'False
- MinButton = 0 'False
- ScaleHeight = 1380
- ScaleWidth = 5715
- Begin VB.HScrollBar hsbWave
- Height = 255
- Left = 240
- Max = 100
- TabIndex = 0
- Top = 360
- Width = 5295
- End
- Begin MCI.MMControl mciWave
- Height = 495
- Left = 1080
- TabIndex = 3
- Top = 720
- Width = 3540
- _ExtentX = 6244
- _ExtentY = 873
- End
- Begin VB.Label lblWaveSec
- BeginProperty Font
- Name = "Courier"
- Size = 12
- Charset = 0
- Weight = 700
- Underline = 0 'False
- Italic = 0 'False
- Strikethrough = 0 'False
- EndProperty
- Height = 255
- Left = 4800
- TabIndex = 2
- Top = 0
- Width = 735
- End
- Begin VB.Label lblWave
- BeginProperty Font
- Name = "Courier"
- Size = 12
- Charset = 0
- Weight = 700
- Underline = 0 'False
- Italic = 0 'False
- Strikethrough = 0 'False
- EndProperty
- Height = 255
- Left = 360
- TabIndex = 1
- Top = 0
- Width = 615
- End
- Begin VB.Menu AL_FILE
- Caption = "&File"
- Begin VB.Menu AI_OPEN
- Caption = "&Open..."
- End
- Begin VB.Menu AI_SEPARATOR
- Caption = "-"
- End
- Begin VB.Menu AI_EXIT
- Caption = "&Exit"
- End
- End
- Attribute VB_Name = "frmWave"
- Attribute VB_GlobalNameSpace = False
- Attribute VB_Creatable = False
- Attribute VB_PredeclaredId = True
- Attribute VB_Exposed = False
- Const conInterval = 50
- Const conIntervalPlus = 55
- Dim CurrentValue As Double
- Private Sub AI_EXIT_Click()
- Unload frmWave
- End Sub
- Private Sub AI_OPEN_Click()
- Dim msec As Double
- ' Set the number of milliseconds between successive
- ' StatusUpdate events.
- mciWave.UpdateInterval = 0
- ' Display the File Open dialog box.
- frmOpenDlg.dlgOpenFile.FilterIndex = 1
- frmOpenDlg.dlgOpenFile.Flags = vbOFNReadOnly Or vbOFNFileMustExist
- frmOpenDlg.dlgOpenFile.CancelError = True
- frmOpenDlg.dlgOpenFile.filename = ""
- On Error Resume Next
- frmOpenDlg.dlgOpenFile.ShowOpen
- If Err <> 0 Then
- ' No file selected from the Open File dialog box.
- Exit Sub
- End If
- ' If the device is open, close it.
- If Not mciWave.Mode = vbMCIModeNotOpen Then
- mciWave.Command = "Close"
- End If
- ' Open the device with the new filename.
- mciWave.filename = frmOpenDlg.dlgOpenFile.filename
- On Error GoTo MCI_ERROR
- mciWave.Command = "Open"
- On Error GoTo 0
- Caption = DialogCaption + mciWave.filename
- ' Set the timing labels on the form.
- mciWave.TimeFormat = vbMCIFormatMilliseconds
- lblWave.Caption = "0.0"
- msec = (CDbl(mciWave.Length) / 1000)
- lblWaveSec.Caption = Format$(msec, "0.00")
- ' Set the scrollbar values.
- hsbWave.value = 0
- CurrentValue = 0#
- Exit Sub
- MCI_ERROR:
- DisplayErrorMessageBox
- Resume MCI_EXIT
- MCI_EXIT:
- Unload frmWave
- End Sub
- Private Sub Form_Load()
- ' Force the multimedia MCI control to complete before returning
- ' to the application.
- frmWave.mciWave.Wait = True
- End Sub
- Private Sub Form_Unload(Cancel As Integer)
- frmMCITest.Show
- End Sub
- Private Sub mciWave_PauseClick(Cancel As Integer)
- ' Set the number of milliseconds between successive
- ' StatusUpdate events.
- mciWave.UpdateInterval = 0
- End Sub
- Private Sub mciWave_PlayClick(Cancel As Integer)
- ' Set the number of milliseconds between successive
- ' StatusUpdate events.
- mciWave.UpdateInterval = conInterval
- End Sub
- Private Sub mciWave_PrevClick(Cancel As Integer)
- ' Set the number of milliseconds between successive
- ' StatusUpdate events.
- mciWave.UpdateInterval = 0
- ' Reset the scrollbar values.
- hsbWave.value = 0
- CurrentValue = 0#
- mciWave.Command = "Prev"
- End Sub
- Private Sub mciWave_StatusUpdate()
- Dim value As Integer
- ' If the device is not playing, reset to the beginning.
- If Not mciWave.Mode = vbMCIModePlay Then
- hsbWave.value = hsbWave.Max
- mciWave.UpdateInterval = 0
- Exit Sub
- End If
- ' Determine how much of the file has played. Set a
- ' value of the scrollbar between 0 and 100.
- CurrentValue = CurrentValue + conIntervalPlus
- value = CInt((CurrentValue / mciWave.Length) * 100)
- If value > hsbWave.Max Then
- value = 100
- End If
- hsbWave.value = value
- End Sub
-