How to hide the mouse pointer in app designer

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JIAYING WU
JIAYING WU 2019-8-15
编辑： Matthias Weber 2020-2-3
How to hide the cursor (pointer) when building apps using app designer?
Need to hide cursor for 2 mins.
Have tried set(app.UIfigure, 'Pointer', 'custom', 'PointerShapeCData', NaN(16,16)) and did't work.
Any suggestions?
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JIAYING WU
JIAYING WU 2019-8-15
编辑：JIAYING WU 2019-8-28
Not really. I have built an app for color image judgement and for some reason I need to show a full screen image to my observer for like 2 mins and during that time I don't want my observer to be attracted other than my image. That's the reason I want to hide my mouse pointer during that time zone.
Adam Danz
Adam Danz 2019-8-15
编辑：Adam Danz 2019-8-15
Does the full screen image have to be displayed on a UIFigure instead of a normal figure() where the pointer property is functional?
Maybe Jan's WindowAPI function will work with UIFigures (I'd look into it before investing much time).

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回答（2 个）

Devineni Aslesha
Devineni Aslesha 2019-8-28
As of now, using a custom pointer is not supported in AppDesigner -> uifigure for the available MATLAB releases. However, the concerned parties may be looking into it and might be added in the future releases.
Matthias Weber
Matthias Weber 2020-2-3
编辑：Matthias Weber 2020-2-3
Can you suggest any alternatives to indicate that the device is busy or a mechanism to avoid further user interaction, e.g. firing events which lead to the execution of UI callbacks?
Edit: This is also related to https://de.mathworks.com/matlabcentral/answers/476443-having-trouble-changing-mouse-cursor-to-watch-to-indicate-that-function-is-busy.

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