To be able to play multimedia files or multimedia devices, you have to insert Microsoft Multimedia Control into your VB applications that you are going to create. However, Microsoft Multimedia Control is not normally included in the startup toolbox, therefore you need to add the  MM control by pressing Ctrl+T and select it from the components dialog box that is displayed.

19.1 Creating a CD player

In this program, you can create a CD player that resembles an actual CD player. It allows the user select a track to play, to fast forward, to rewind and also to eject the CD. It can also display the track being played. The interface and code are shown below.

a) The Interface.

The Code   Private Sub Form_Load() 'To position the page at the center Left = (Screen.Width - Width) \ 2 Top = (Screen.Height - Height) \ 2 'Initialize the CD myCD.Command = "Open" End Sub Private Sub myCD_StatusUpdate() 'Update the track number trackNum.Caption = myCD.Track End Sub   Private Sub Next_Click() myCD.Command = "Next" End Sub   Private Sub Play_Click() myCD.Command = "Play" End Sub   Private Sub Previous_Click() myCD.Command = "Prev" End Sub Private Sub Stop_Click() myCD.Command = "Stop" End Sub