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tom1234Flag for Korea, Republic of

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I want to make the color distingusher.

first , I want to know the color under the mouse cursor.
second , want to magnify the range of 100 by 100 pixels under the mouse cursor.


please recommend me the functions.
Thanks in advance.
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Emmanuel PASQUIER
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Thanks a lot ,

Please , just One advice more .

I changed mouse cursor , 'fountainpen filler' shape , but it is just when it in my form .
If the cursor off the form , is changed to as windows want.

How can I keep mouse cursor ,even off my application form.
I would have been inclined to say it's not possible, as every applications can set it's own cursor and the OS is changing the cursor accordingly each time the mouse move over an application.

but I checked if someone has an idea about it, and yes, apparently you could implement a workaround by setting ALL system cursors image to the one you want.
check this
https://www.experts-exchange.com/questions/20665275/How-to-change-mouse-cursor-in-whole-desktop.html

I haven't tested any of it, and if you need help about that, post a new question