How do I suppress a window opened by a Matlab function?

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Frank Wuechner 2017-12-6

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评论： Frank Wuechner 2017-12-15

Hi! I am running the mdf function of vehicle network toolbox to batch-process mdf files. Each time a file is opened, several load screens are popping up to show the load progress. This takes only some miliseconds, but the OS (win7) focuses on each load screen - in effect, the PC is blocked as long as files are read (several times a second for up to 20 minutes) because the focus is permanently reset to the popups. I did not find an option in the mdf function itself to switch to some kind of silent mode.

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Pista Lele 2017-12-8

编辑：Pista Lele 2017-12-8

I'm doing exactly the same thing and I have the same issue. Couldn't solve it so far.

Frank Wuechner 2017-12-11

Too bad (-_-)

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采纳的回答

Walter Roberson 2017-12-11

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https://ww2.mathworks.cn/matlabcentral/answers/371379-how-do-i-suppress-a-window-opened-by-a-matlab-function#answer_295640

在 MATLAB Online 中打开

Try adding a function on your path:

function wb = waitbar(varargin)
  if nargout > 0
    wb = matlab.graphics.GraphicsPlaceholder;
  end

provided you are using R2014b or later. If you are using an earlier version, then the function needs to be made more complex, as waitbar() needs to return a graphics handle that can later be delete()'d

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Jan 2017-12-13

在 MATLAB Online 中打开

@Frank: If the windows are opened from P-functions, you cannot suppress their creation directly. It might work, if you shadow the corresponding built-in function: create figure.m inside the folder of the P-file and let it create an invisible figure:

function H = figure(varargin)
H = figure(varargin{:}, 'Visible', 'off');
end

But this is near to hacking and can have evil side-effects.

Frank Wuechner 2017-12-15

@Jan: Thank you, but that did have no effect as well. I'll contact the technical support for the vehicle network toolbox and ask them if there is any chance to deactivate this.

Thanks again to everybody for their help, I learned a lot!

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