This I accidentally press the wrong which want to form around up and down in the form of a window into how to do online

CodePudding user response:

Drag a window? Pictures can't see,

CodePudding user response:

ClassView window on the left side of the bar, hold down the dock pulled into the window, to let it go;
In holding down the dock to the left of the code window to window, to let go
Complete,