Home
Search
 
What's New
Index
Books
Links
Q & A
Newsletter
Banners
 
Feedback
Tip Jar
 
C# Helper...
 
XML RSS Feed
Follow VBHelper on Twitter
 
 
 
MSDN Visual Basic Community
 
 
 
 
 
TitlePlay a sound while displaying a progress bar
Keywordssound, WAV, WaveAudio, MMC, ellapsed time
CategoriesMultimedia, Controls
 
Use a Timer and examine the MCI control's Position and Length properties to determine how far through the file the program has gone.
 
Private Sub Form_Load()
    ' Prepare the MCI control for WaveAudio.
    MMControl1.Notify = False
    MMControl1.Wait = True
    MMControl1.Shareable = False
    MMControl1.DeviceType = "WaveAudio"
    MMControl1.TimeFormat = mciFormatMilliseconds
End Sub

' Open the device and play the sound.
Private Sub cmdPlay_Click()
    ' Disable this button.
    cmdPlay.Enabled = False

    ' Set the file name.
    MMControl1.FileName = txtFilename.Text

    ' Open the MCI device.
    MMControl1.Wait = False
    MMControl1.Command = "Open"

    ' Play the sound without waiting.
    MMControl1.Wait = False
    MMControl1.Command = "Play"

    ' Enable the timer.
    tmrSound.Enabled = True
End Sub

' Close the device when the sound is done.
Private Sub MMControl1_Done(NotifyCode As Integer)
    ' Disable the timer.
    ProgressBar1.Value = 100
    tmrSound.Enabled = False

    ' Close the device.
    MMControl1.Command = "Close"

    ' Reenable the button.
    cmdPlay.Enabled = True
End Sub
' Display the time through the sound clip.
Private Sub tmrSound_Timer()
    ProgressBar1.Value = MMControl1.Position / _
        MMControl1.Length * 100
End Sub
 
 
Copyright © 1997-2010 Rocky Mountain Computer Consulting, Inc.   All rights reserved.
  Updated