A device-child interface accesses data used by a device.
interface ID3D11DeviceChild : public IUnknown
There are several types of device child interfaces, all of which inherit this interface. They include shaders, state objects, and input layouts.
Header: Declared in d3d11_x.h (d3d11.h on other Windows platforms).
Library: Use d3d11_x.lib (d3d11.lib on other Windows platforms).