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Let timer access another object's function

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Vincent
Vincent on 30 Jul 2012
I created a class which reads a file as soon as an object is created. In order to display the progress of reading process, I created a public function (which I prefered to be private by the way). Let's call this function writeProgress,
However, after starting the timer, I receive an warning message: "feval: Undefined function or method 'obj.writeProgress' for input arguments of type 'timer'".
The timer has been initialized like this:
t = timer('TimerFcn',@obj.writeProgress,'Period',1,'ExecutionMode','fixedDelay');
How can I pass the function "writeProgress"? Write progress needs to be a class member as it has to access private data and I'd rather prefer it to be private itself.

Answers (1)

per isakson
per isakson on 31 Jul 2012
This works with R2012a
classdef test_timer < handle
properties
t
end
methods
function this = test_timer()
this.t = timer( 'TimerFcn',@(s,e) writeProgress(this,s,e) ...
, 'Period' , 1 ...
, 'ExecutionMode' , 'fixedDelay' );
start( this.t )
end
end
methods ( Access = private )
function writeProgress( this, varargin ) %#ok<MANU>
disp('writeProgress')
end
end
end
I cannot say why I use this syntax in my code.

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