% This function mxNiUpdateContext, waits for the Kinect or stream Movie
% to update all nodes, to the next frame
% KinectHandles : Array with pointers to kinect node objects generated by
% mxNiCreateContext, such as main, image, IR, Depth and User node.
% See also mxNiCreateContext, mxNiDepth, mxNiPhoto, mxNiDepthRealWorld
% mxNiInfrared, mxNiSkeleton, mxNiDeleteContext
% Mex-Wrapper is written by D.Kroon University of Twente (February 2011)