IPortableDevicePropertiesBulkCallback::OnStart method (portabledeviceapi.h)

The OnStart method is called by the SDK when a bulk operation started by IPortableDevicePropertiesBulk::Start is about to begin.

Syntax

HRESULT OnStart(
  [in] REFGUID pContext
);

Parameters

[in] pContext

Pointer to a GUID that identifies which operation has started. This value is produced by a Queue... method of the IPortableDevicePropertiesBulk interface.

Return value

The application should return either S_OK or an error code to abandon the operation. The application should handle all error codes in the same manner.

Requirements

See also

IPortableDevicePropertiesBulkCallback Interface