MATLAB: Function open/close for GUI

guiMATLAB

Hello In the GUI, does it exist a function which is read only one, at the opening and the close (to declare variable or resize GUI…)? I have tried "*_OutputFcn" and "*_InputFcn" but these functions are called each time the figure is updated. Thank you

Best Answer

OpeningFcn

is called on GUI creation and

CloseRequestFcn

is called when the GUI closes, but you have to explicitly add this in GUIDE by right-clicking on the figure in GUIDE and choosing the callback. Then you can put code in it.

DeleteFcn

is also called when the window closes. I forget the differences between this and CloseRequestFcn now, but off the top of my head the CloseRequestFcn should delete the gui (which will call DeleteFcn) otherwise it will not get deleted.

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Consider the model 'testMdl.mdl'. There is a viewer named "MyViewer" in the top layer of the model and there is another viewer named 'ViewerInSubsystem' inside the subsystem. I can open and close these viewers from MATLAB command line using the following code:

>> mdl = 'testMdl';
>> open_system(mdl);
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However deep the signal viewer is in the model, they can always be accessed programmatically by specifying the model name and the signal viewer name. It is not necessary to point to the location where the viewer exists in the model.

Best Answer

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