Selecting an image folder in App designer

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Sujith Roy 2018-11-13

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/429496-selecting-an-image-folder-in-app-designer

编辑： Cris LaPierre 2018-11-13

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Hi All,,

I'm trying to onvert my gui from GUIDE to APP designer. I used the migration tool to do this.

I have a button that selects all the image from a folder when it is selected. This was working well in GUIDE but doesnt work after being converted.

Here is my code. Thanks in advance :)

GUIDE : - Works fine

function SELECT_FOLDER_Callback(hObject, eventdata, handles)
% hObject    handle to SELECT_FOLDER (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
try
    folder_path = uigetdir('../Input To GUI');
    path_details.input_folder = folder_path;
    [count_curvature,count_normal,count_images,im_names,im_names_ext] = InputPathDetails(folder_path);
    path_details.count_images = count_images;
catch
%     errordlg('Please select an image folder','Error');
    return

APP DESIGNER: - Only catch statement is executing

function SELECT_FOLDER_Callback(app, event)
% hObject    handle to SELECT_FOLDER (see GCBO)
% eventdata  reserved - to be defined in a future version of MATLAB
% handles    structure with handles and user data (see GUIDATA)
try
    folder_path = uigetdir('../Input To GUI');
    path_details.input_folder = folder_path;
    [count_curvature,count_normal,count_images,im_names,im_names_ext] = InputPathDetails(folder_path);
    path_details.count_images = count_images;
catch
%     errordlg('Please select an image folder','Error');
    return
end

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Cris LaPierre 2018-11-13

编辑：Cris LaPierre 2018-11-13

I need to ask a couple clarifying questions.

Where is your structure path_details coming from?

What does InputPathDetails do? It appears to be a function called in your code but not included. It could be an error inside that function that is cauing the code to jump to the catch statement.

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