DSFDevice Property

项目
09/21/2010

The DSFDevice property gets the DSFDevice object that is associated with the USB device that holds the USB device's Plug and Play (PnP) properties.

This property is read-only.

Syntax

HRESULT get_DSFDevice(
  [out, retval]  DSFDevice **ppDSFDevice
);

Property Value

Caller-allocated space to hold the underlying DSFDevice object.

Error Codes

DSFDevice returns S_OK if the operation succeeds or E_POINTER if the ppDSFDevice parameter is not a valid pointer.

Remarks

The following VBScript code example shows how to get the DSFDevice property.

Dim LoopbackDevice 
Set LoopbackDevice = WScript.CreateObject("SoftUSBLoopback.LoopbackDevice","LoopbackEvent_")
Dim DSFDevice : Set DSFDevice = LoopbackDevice.DSFDeviceDim DSF : Set  DSF = CreateObject(DSF.DSF)

Dim USBBus
Set USBBus = DSF.HotPlug(DSFDevice, "USB2.0")

Requirements

Header

SoftUSBif.h

通过