... APC_LEVEL. See Also DEVICE_OBJECT, IoAttachDevice, IoAttachDeviceToDeviceStack, IoCreateDeviceSecure, IoCreateSymbolicLink, IoDeleteDevice © Microsoft Corporation Send feedback on this topic Built ... IoCreateDevice The IoCreateDevice routine creates a device object for use by a driver. NTSTATUS IoCreateDevice( IN PDRIVER_OBJECT DriverObject, IN ULONG DeviceExtensionSize, ... function include: STATUS_INSUFFICIENT_RESOURCES STATUS_OBJECT_NAME_EXISTS STATUS_OBJECT_NAME_COLLISION Headers Declared in wdm.h and ntddk.h. Include wdm.h or ntddk.h. Comments IoCreateDevice creates...