Why this error withthe scrolling wheel function? How can I solve it?
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I use a function called 'WindowScrollWheelFcn' to synchronize the mouse wheel scrolling with the movement of some sliders in the GUI I have built.
The problem is that I get the error
Warning: Setting the "WindowScrollWheelFcn" property is not permitted while this mode is active.
> In matlab.uitools.internal.uimodemanager>localModeWarn (line 226)
In matlab.uitools.internal.uimodemanager>@(obj,evd)(localModeWarn(obj,evd,hThis)) (line 94)
In experiment (line 134)
Where line in the experiment (the main GUI app line)
set (hFig, 'WindowScrollWheelFcn', @mouseScroll);
Why this line is wrong? What does Matlab mean by not permitted while this mode is active?
Steven Lord il 24 Set 2019
As per the Tips section on the zoom function documentation page, you cannot change most figure callbacks while an interactive mode (like zooming or panning) is active. The WindowScollWheelFcn is one of the figure callbacks you cannot change while in interactive mode.
In particular, the scroll wheel has a specific function in the zoom interactive mode.