Hi everyone. My question is that, what should i put under a callback function of a pop up menu for example, when I want to load a .mat file. So that .mat file will be loaded to the workspace. Also if i will click to another case of that menu, what code should I use to clear up that workspace in matlab? Thank you very much...
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Here's a snippet for you:
% Have user browse for a file, from a specified "starting folder." % For convenience in browsing, set a starting folder from which to browse. startingFolder = 'C:\Program Files\MATLAB'; if ~exist(startingFolder, 'dir') % If that folder doesn't exist, just start in the current folder. startingFolder = pwd; end % Get the name of the mat file that the user wants to use. defaultFileName = fullfile(startingFolder, '*.mat'); [baseFileName, folder] = uigetfile(defaultFileName, 'Select a mat file'); if baseFileName == 0 % User clicked the Cancel button. return; end fullFileName = fullfile(folder, baseFileName)
storedStructure = load(fullFileName);
Each function has its own workspace. Clicking on another menu item will clear the old function's workspace - no need to have any code in there to do that. In fact, you have to do special things if you want the other function2 to see function1's workspace. See the FAQ: http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.3F