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Lock panel resize programmatically, cause window to flick

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Ok,

thank you George Zou.

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Message 21 of 30
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Dear Mr. Zou,

I am trying your demo and I saw it freezes panel window and mouse.

 

Is there any possibility to change the mouse pointer during the freezing phase?

 

I am trying with LV mouse busy or set cursor.vi but they don't work.

Probably it's necessary a low level trick.

 

Best regards 

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Message 22 of 30
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It seems that you can not change cursor after disable the window.

 

Maybe you should use other way to notify user.

 

George Zou
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Message 23 of 30
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Ok, thank you.

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Message 24 of 30
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It seems that disable window is not the best way.

There are a few other methods to prevent user resize the FP.

I will create some VIs after work.

 

George Zou
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Message 25 of 30
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Great! I'll wait for your further details.

 

 

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Message 26 of 30
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Method 1: dump all mouse/cursor events to other LabVIEW window to prevent user resize FP.image.png

Download the missing subVI here:

https://forums.ni.com/t5/Example-Code/Windows-API-Function-Utilities-32-bit-for-LabVIEW/ta-p/3996462

 

P.S. my colleague and I presented "Leveraging The Windows API To Extend GUI Capabilities" at NI Week 2018.  For those interested in Window API, the video is available on YouTube:

https://www.youtube.com/watch?v=-CqWwjDad1M&list=PLQQqHDdPxRKnkAElWt_hNcRJEUPdezmfr&index=4

 

 

George Zou
Message 27 of 30
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Method 2: Confine cursor in a rectangle so that it can not reach the window edge.

 

image.png

 

 

George Zou
Message 28 of 30
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Windows API are very interesting.

Thank you Mr. Zou!

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Message 29 of 30
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Message 30 of 30
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