| DirectX SDK | 
The CONST_DMUS_PORT_TYPE enumeration is used in the DMUS_PORTCAPS type to specify the driver model of the port.
Enum CONST_DMUS_PORT_TYPE
    DMUS_PORT_KERNEL_MODE =     2
    DMUS_PORT_USER_MODE_SYNTH = 1
    DMUS_PORT_WINMM_DRIVER =    0
End Enum