update.m
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	function update(hThis,~,~,varargin)
	% UPDATE Update cursorbar position and string
	%
	% Thanks to <a href="http://www.mathworks.com/matlabcentral/profile/authors/3354683-yaroslav">Yaroslav Don</a> for his assistance in updating cursorbar for
	% MATLAB Graphics and for his contribution of new functionality.

	% Copyright 2003-2016 The MathWorks, Inc.


	% Exit during construction
	if hThis.ObjectBeingCreated
	return
	end

	% Check input
	movecb = true;
	if nargin >= 4 && ischar(varargin{1}) && strcmp(varargin{1},'-nomove')
	movecb = false;
	end

	% Create new data cursor
	if isvalid(hThis.DataCursorHandle)
	hNewDataCursor = hThis.DataCursorHandle;
	else
	hNewDataCursor = createNewDataCursor(hThis);
	end

	% Update cursor based on target
	if movecb
	updateDataCursor(hThis,hNewDataCursor);
	hNewDataCursor = hThis.DataCursorHandle; % in the case it has changed
	end

	% Update cursorbar based on cursor
	updatePosition(hThis,hNewDataCursor);

	% Update markers
	updateMarkers(hThis);

	% Send event indicating that the cursorbar was updated
	notify(hThis,'UpdateCursorBar');