private static extern ReturnStatus LeapIERemoveShapeDescription(ref INTERACTION_SCENE scene,
ref INTERACTION_SHAPE_DESCRIPTION_HANDLE handle);
private static extern ReturnStatus LeapIECreateShapeInstance(ref INTERACTION_SCENE scene,
ref INTERACTION_SHAPE_DESCRIPTION_HANDLE handle,
ref INTERACTION_TRANSFORM transform,
ref INTERACTION_CREATE_SHAPE_INFO shapeInfo,
out INTERACTION_SHAPE_INSTANCE_HANDLE instance);
private static extern ReturnStatus LeapIEAddShapeDescription(ref INTERACTION_SCENE scene,
IntPtr pDescription,
out INTERACTION_SHAPE_DESCRIPTION_HANDLE handle);