uigetfile takes ages when using appdesigner

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Jason 2020-2-13

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https://ww2.mathworks.cn/matlabcentral/answers/505301-uigetfile-takes-ages-when-using-appdesigner

评论： Jason 2020-2-20

Hi, not sure why, but its taking about 20s:

            path='D:\temp';
            try
                     [file,path]=uigetfile({'*.mat','Mat Files'},'Load Data',...
                      path);
            catch
                
                [file,path]=uigetfile({'*.mat','Mat Files'},'Load Data',...
                      'C:\');
            end      
            openpath=fullfile(path,file);
            %whos('-file',openpath)
            load (openpath,'wv','sp','htext','colors');
            

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回答（1 个）

Raunak Gupta 2020-2-18

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https://ww2.mathworks.cn/matlabcentral/answers/505301-uigetfile-takes-ages-when-using-appdesigner#answer_416115

Hi,

From the profile viewer I can see that the self-time (actual time taken by the function without considering children function) is very less for uigetfile. Most of the time is taken by the FileOpenChooser.doShowDialog which essentially open the dialog box from which you may choose the file. Time taken by FileOpenChooser.doShowDialog essentially shows the time taken by the user to select the file. So, as I recreated the above situation, I found that the uigetfile is not running slow.

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Jason 2020-2-20

Hello, Im not able to see the same slow behaviour anymore and am not sure what I have done differently, so there's no benefit in sharing the mlapp file.

So I'm happy that this can be closed. However, I do have another issue that I have just posted regarding a time increase from GUIDE to APDESSIGNER that I would be happy to shar ethe file, please see

"Massive slow down in mouseclick behaviour in APPDESIGNER compared to GUIDE"

Thanks

Jason

Jason 2020-2-20