Hi All,
I have written a toolbox with colleagues. We have created GUIs using Matlabd 2009a and they used to work on Matlab versions 2007b to 2014a. With the new Matlab graphics in 2014b, we had to update the code and the GUIs (to put all panels and children in front). Users now report having this error 'invalid Figure file format' when loading the modified GUIs in older versions of Matlab (e.g. 2008a). As our software is open-access and we don't want to force people to upgrade, we would like to know what would be the solution for GUI backwards compatibility.
Thank you for your suggestions.
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