Is there a hack to hide a window "as long as you are dragging with the mouse"

[Hamza Bennani Smires]

Hello, I am looking for a hack that allows me to click and hold on a file, so that I can drag it and drop it on another window. The thing is, I would like to make the window invisible when I start dragging my file, so that I can see the window behind it and drop the file there. When I release the mouse to drop the file, I would like to be able to decide whether the previous window re open or if it just stay closed

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