Opening an external file in a deployed application

Question

James Kerns 2013-1-29

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https://ww2.mathworks.cn/matlabcentral/answers/60295-opening-an-external-file-in-a-deployed-application

评论： Titus Edelhofer 2018-11-15

Hello, I'm trying to figure out how I might include a help file with my packaged GUI program. I'd like to have a help button that when clicked opens a PDF that I've written. It's easy enough to use winopen when using matlab, but how do I make it do this with a deployed application?

I've tried including the PDF in with the other secondary files at the time of packaging but that doesn't work. It would appear the winopen function will use the current directory and not its internal directory or whatever it does when calling included .m files.

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Answer 1

Titus Edelhofer 2013-1-30

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Hi James,

you can use the function

ctfroot

zu build up an absolute path to where your .pdf is when packed into the application. Or, if the .pdf is in the same folder as the function calling it, you might do something like the following

folder = fileparts(mfilename('fullpath'));
winopen(fullfile(folder, 'mydoc.pdf'));

Titus

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sandeep singh 2018-10-29

Hello James, Even I am facing the issues with same. Even open function is not opening pdf after deployment, can u please help me

Titus Edelhofer 2018-11-15

The difference is: "open" is doing what MATLAB would do if you double click on it within MATLAB. winopen (if on Windows, of course!) does the action you would expect when double clicking within Windows explorer

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