Error while evaluating uicontrol callback matlab software

However, my guess is, that you did a function call, that changes the handle, but didnt update your handles structure after that. Fixing error while evaluating callback for gui matlab. However, its unclear what the point of the function is, nor why it defines several unused variables, in particular output. If you needed to pass in parameters or get results then calling it would be a bit tricky. You may receive emails, depending on your notification preferences. How do i program a callback on a uicontrol learn more about pushbutton, uiconrol. Setting a callback property to a string causes matlab to evaluate that string in the base workspace when the callback is invoked. User interface controls are components such as buttons and sliders that users can interact with. Are you attempting to set the enable property of a buttongroup class. The assignment operator is a tricky one though, im not aware it has a functionbased equivalent given its nature and i must admit i gave up trying. Apr 22, 2016 which would run it as a script rather than as a function. That works because it happens to have no parameters and returns no result. How to fix uicontrol callback error and retrieve the status.

Mathworks is the leading developer of mathematical computing. Mathworks is the leading developer of mathematical computing software for engineers. How to fix uicontrol callback error and retrieve the. What does the error error while evaluating uicontrol. Error in push button callback matlab answers matlab. I would avoide using guide if it wasnt just one university project i have to do, as my course is not programming based, and this is my only programming module, i want to do this project as easily as i can, and the lecturer recommended using guide. Working inside ugly code written by others is a brownfield project. The cause of error while evaluating uicontrol callback in. Aug 09, 2019 if it is pressed it should display a message and set it back to 0 for the next time it will be pressed.

Error while evaluating uicontrol callback learn more about gui error matlab. Error while evaluating uicontrol callback %%%%%%%%% here infact when i run. Fiddeling in failing code is extremely prone to errors. This causes troubles too often, because overwriting mfiles by accident occurs more frequently than i would imagine. Thanks for contributing an answer to stack overflow. Interrupt while evaluating uicontrol callback 2 evaluating a vector with 60,000 short symbolic expressions as efficiently as possible matlab, c. Error while evaluating uicontrol callback on fuzzy toolbox. As you used uiwait, execution stops inside uiwait line 82 for my matlab version, which has a waitfor command, giving the following error. Gui error when use callback in uicontrol matlab answers. At a guess r2010 supported this, but it was discontinued at some point since then. If it is pressed it should display a message and set it back to 0 for the next time it will be pressed. Oct 16, 2017 if this is the problem, avoid to work in matlab with admin privileges.

Error while evaluating uicontrol callback on fuzzy. Learn more about gui, colon operator, callback matlab. Error while using a gui matlab answers matlab central. Feb 09, 2011 how do i program a callback on a uicontrol. Aug 19, 20 you will see updates in your activity feed. Therefore sharing the information by private emails is rarely useful. It seems this is related to the functionality of the toolbox.

Sep 25, 2014 the debugger is the pefect tool to examine errors and their reasons. It is also better to start a new question instead of asking in the comment, that way more people will. Another idea is to avoid opening toolbox functions in the editor, but using type funcname to display it in the command window instead. The cause of error while evaluating uicontrol callback. Choose a web site to get translated content where available and see local events and offers. Matlab and error while evaluating uicontrol callback. The above point of resetting or overwriting, i have incorporated in my main matlab code and the gui one expecting atleast one to work. If you want to iterate over each frame the fourth dimension then instead of using max which will return the maximum value of the video1,1,1.

If there is no really good reason masured in ten thousands of dollars or months of work, the best method to cleaning up a brownfield project is to delete the code and rewrite it from scratch. However, its unclear what the point of the function is, nor why it defines several unused variables, in particular output your callback defines handles. It is also better to start a new question instead of asking in the comment, that way more people will be able to help you. By changing property values, you can modify the appearance and behavior of user interface controls.

This is why when you asked this question previously with a lot of the key code missed out it did not make sense why i should be undefined when you use it. Aug 19, 20 however, my guess is, that you did a function call, that changes the handle, but didnt update your handles structure after that. Part of the problem may be how you are iterating over video. The uicontrol function creates a user interface control and sets any required properties before displaying it.

Asking for help, clarification, or responding to other answers. Based on your location, we recommend that you select. The debugger is the pefect tool to examine errors and their reasons. Dec 28, 2018 i would avoide using guide if it wasnt just one university project i have to do, as my course is not programming based, and this is my only programming module, i want to do this project as easily as i can, and the lecturer recommended using guide. Learn more about error, while evaluating uicontrol callback, matlabgui. I have a matlab file that i cant post here 3000 lines which contains a lot of functions which are used from a gui.