IOUSBGetContainerIDDescriptor(_:)
Obtains the first container ID capability descriptor in a BOS descriptor.
Declaration
func IOUSBGetContainerIDDescriptor(_ bosDescriptor: UnsafePointer<IOUSBBOSDescriptor>!) -> UnsafePointer<IOUSBDeviceCapabilityContainerID>!Parameters
- bosDescriptor:
A BOS descriptor that contains the descriptors to iterate through.
Return Value
A container ID capability descriptor pointer, or nil if no matching descriptor returns.
Discussion
This method uses IOUSBGetNextCapabilityDescriptorWithType(_:_:_:) to find the first container ID capability descriptor.