[DllImport("winmm.dll", SetLastError=true)]
static extern uint mixerGetNumDevs();
Public Declare Function mixerGetNumDevs Lib "winmm.dll" () As Integer
None.
Please add some!
Dim a as integer = mixerGetNumDevs()
The ManagedWindowsApi project (http://mwinapi.sourceforge.net) provides a Mixer control.