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Declare Function auxGetNumDevs% Lib "MMSYSTEM" ()
'In the appropriate routine: Dim i As Integer i = auxGetNumDevs() If i > 0 Then ' There is at least one sound card on the system MsgBox "A Sound Card has been detected." Else ' auxGetNumDevs returns a 0 if there is no sound card MsgBox "There is no Sound Card on this system." End If Note: This has only been tested with VB 3 and VB 4-16, if you convert this for use with other versions please let me know. Burt Abreu Here's how to detect if a sound card exists Declare this API |