Cusrol Controls: First Step:
1. Choose Cursol 8 with Arrows Up and Down.
2, And, You can recognize the Ellipses on the canvas.
Their process was very fast.
Cursol Contorols: 2nd Step:
3. You press the key "TAB" and can choose one of Ellipses with RED.
4. And, You press the key "TAB" and can choose next another of Ellipses with RED.
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(20210920: I changed the plan of the key pressing.)
1. If we press "a", we could change the selected ellipse next.
2. So, we could catch a object and move it.
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download: https://github.com/WaitrudWeber/source_zip/blob/master/display-20210920-01.zip
