How to set part of the area as a movable form?

Look at the picture below, how to move the entire form on the left and upper part, and the immovable form on the right,think you
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Look at the picture below, how to set the black area on the left and the black area on the top to be able to move the entire form, while the right is an immovable form

Hey there, welcome to the forum!

I’m not sure what you’re asking unfortunately. Do you want both of the red boxes in the sidebar on the left maybe?