releaseGState() Frees the view’s graphics state object, if it has one. Declarationfunc releaseGState() See AlsoMethodslockFocus()lockFocusIfCanDraw()lockFocusIfCanDraw(in:)unlockFocus()scroll(_:by:)shouldDrawColor()allocateGState()gState()setUpGState()renewGState()dragFile(_:from:slideBack:event:)dragPromisedFiles(ofTypes:from:source:slideBack:event:)