updateLinkedElement.m
8f36c77b09bbTekRSA-Freq-vs-Time

updateLinkedElement.m
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			function updateLinkedElement(app, elem)
			try
			% get value using the subreference structure
			val = subsref(app, elem.UserData.LinkSubs);
			% Apply the output processing function or input prescaler
			if isfield(elem.UserData, 'OutputProcessingFcn')
			val = elem.UserData.OutputProcessingFcn(val);
			elseif isfield(elem.UserData, 'InputPrescaler')
			val = val*elem.UserData.InputPrescaler;
			end
			% Get the gui property to be updated. The default is Value.
			if isfield(elem.UserData, 'elem_prop')
			elem_prop=elem.UserData.elem_prop;
			else
			elem_prop='Value';
			end
			% Setting value of a matlab app elemen is time consuming, so do
			% this only if the value has actually changed
			if ~isequal(elem.(elem_prop),val)
			elem.(elem_prop) = val;
			end
			catch
			% Try converting the subreference structure to a readable
			% format and throw a warning
			try
			tag=substruct2str(elem.UserData.LinkSubs);
			catch
			tag='';
			end
			warning(['Could not update the value of element with tag ''%s'' ',...
			'and value ''%s''.'], tag, var2str(val));
			end
			end