Liren Large Software Subsidy 10/10.iso/l/l407/4.ddi/WAVE.FR_/WAVE.bin

Visual Basic Form | 1993-04-28 | 5.1 KB | 167 lines

VERSION 2.00
Begin Form Wave
   BorderStyle     =   1  'Fixed Single
   ClientHeight    =   1380
   ClientLeft      =   1305
   ClientTop       =   2445
   ClientWidth     =   5715
   Height          =   2070
   Left            =   1245
   LinkMode        =   1  'Source
   LinkTopic       =   "Form4"
   MaxButton       =   0   'False
   MinButton       =   0   'False
   ScaleHeight     =   1380
   ScaleWidth      =   5715
   Top             =   1815
   Width           =   5835
   Begin MMControl MMControl1
      BackVisible     =   0   'False
      EjectVisible    =   0   'False
      Height          =   375
      Left            =   240
      RecordVisible   =   0   'False
      StepVisible     =   0   'False
      TabIndex        =   0
      Top             =   840
      UpdateInterval  =   0
      Width           =   2205
   End
   Begin HScrollBar HScroll1
      Height          =   255
      Left            =   240
      Max             =   100
      TabIndex        =   1
      Top             =   360
      Width           =   5295
   End
   Begin Label Label2
      FontBold        =   -1  'True
      FontItalic      =   0   'False
      FontName        =   "Courier"
      FontSize        =   12
      FontStrikethru  =   0   'False
      FontUnderline   =   0   'False
      Height          =   255
      Left            =   4800
      TabIndex        =   3
      Top             =   0
      Width           =   735
   End
   Begin Label Label1
      FontBold        =   -1  'True
      FontItalic      =   0   'False
      FontName        =   "Courier"
      FontSize        =   12
      FontStrikethru  =   0   'False
      FontUnderline   =   0   'False
      Height          =   255
      Left            =   360
      TabIndex        =   2
      Top             =   0
      Width           =   615
   End
   Begin Menu AL_FILE
      Caption         =   "&File"
      Begin Menu AI_OPEN
         Caption         =   "&Open..."
      End
      Begin Menu AI_SEPARATOR
         Caption         =   "-"
      End
      Begin Menu AI_EXIT
         Caption         =   "&Exit"
      End
   End
Const INTERVAL = 50
Const INTERVAL_PLUS = 55
Dim CurrentValue As Double
Sub AI_EXIT_Click ()
    Unload Wave
End Sub
Sub AI_OPEN_Click ()
    Dim msec As Double
    ' Set the number of milliseconds between successive
    ' StatusUpdate events.
    MMControl1.UpdateInterval = 0
    ' Display the File Open... dialog.
    OpenDlg.CMDialog1.FilterIndex = 1
    OpenDlg.CMDialog1.Flags = OFN_READONLY Or OFN_FILEMUSTEXIST
    OpenDlg.CMDialog1.CancelError = True
    OpenDlg.CMDialog1.Filename = ""
    On Error Resume Next
    OpenDlg.CMDialog1.Action = 1
    If Err <> 0 Then
        ' No file selected from the "Open File..." dialog.
        Exit Sub
    End If
    ' If the device is open, close it.
    If Not MMControl1.Mode = MCI_MODE_NOT_OPEN Then
        MMControl1.Command = "Close"
    End If
    ' Open the device with the new filename.
    MMControl1.Filename = OpenDlg.CMDialog1.Filename
    On Error GoTo MCI_ERROR
    MMControl1.Command = "Open"
    On Error GoTo 0
    Caption = DialogCaption + MMControl1.Filename
    ' Set the timing labels on the form.
    MMControl1.TimeFormat = MCI_FORMAT_MILLISECONDS
    Label1.Caption = "0.0"
    msec = (CDbl(MMControl1.Length) / 1000)
    Label2.Caption = Format$(msec, "0.00")
    ' Set the scrollbar values.
    Hscroll1.value = 0
    CurrentValue = 0#
    Exit Sub
MCI_ERROR:
    DisplayErrorMessageBox
    Resume MCI_EXIT
MCI_EXIT:
    Unload Wave
End Sub
Sub Form_Load ()
    ' Force the MCI control to complete before returning
    ' to the application.
    Wave.MMControl1.Wait = True
End Sub
Sub Form_Unload (Cancel As Integer)
    MCITest.Show
End Sub
Sub MMControl1_PauseClick (Cancel As Integer)
    ' Set the number of milliseconds between successive
    ' StatusUpdate events.
    MMControl1.UpdateInterval = 0
End Sub
Sub MMControl1_PlayClick (Cancel As Integer)
    ' Set the number of milliseconds between successive
    ' StatusUpdate events.
    MMControl1.UpdateInterval = INTERVAL
End Sub
Sub MMControl1_PrevClick (Cancel As Integer)
    ' Set the number of milliseconds between successive
    ' StatusUpdate events.
    MMControl1.UpdateInterval = 0
    ' Reset the scrollbar values.
    Hscroll1.value = 0
    CurrentValue = 0#
    MMControl1.Command = "Prev"
End Sub
Sub MMControl1_StatusUpdate ()
    Dim value As Integer
    ' If the device is not playing, reset to beginning.
    If Not MMControl1.Mode = MCI_MODE_PLAY Then
        Hscroll1.value = Hscroll1.max
        MMControl1.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 + INTERVAL_PLUS
    value = CInt((CurrentValue / MMControl1.Length) * 100)
    If value > Hscroll1.max Then
        value = 100
    End If
    Hscroll1.value = value
End Sub