struct SKinSkeletonRawData {
  KIN_SKELETON_TRACKING_STATE eTrackingState;
  DWORD dwTrackingId;
  DWORD dwEnrollmentIndex;
  DWORD dwUserIndex;
  SHandPositions screenHands;
  Vec4 vPosition;
  Vec4 vSkeletonPositions[KIN_SKELETON_POSITION_COUNT];
  KIN_SKELETON_POSITION_TRACKING_STATE eSkeletonPositionTrackingState[KIN_SKELETON_POSITION_COUNT];
  DWORD dwQualityFlags;
};

IInput.h