nature_net.user_controls.WPFExtensions.MoveAsAGroup C# (CSharp) Метод

        public static void MoveAsAGroup(this Window me,
                                        double desiredXDisplacement, double desiredYDisplacement,
                                        ref bool isIgnoringLocationChangedEvent)
        {
            // Ensure we don't recurse when we reposition.
            isIgnoringLocationChangedEvent = true;

            Window windowToMoveWith = me.Owner;

            // Try to prevent me from sliding off the screen horizontally.
            double bitToShow = 32;
            double leftLimit = SystemParameters.VirtualScreenLeft - me.Width + bitToShow;
            double rightLimit = SystemParameters.VirtualScreenWidth - bitToShow;
            bool notTooMuchXDisplacement = Math.Abs(me.Left - windowToMoveWith.Left) < Math.Abs(desiredXDisplacement);
            if (me.Left >= rightLimit && notTooMuchXDisplacement)
            {
                // bumping against the right.
                me.Left = rightLimit;
            }
            else if (me.Left <= leftLimit && notTooMuchXDisplacement)
            {
                // bumping against the left.
                me.Left = leftLimit;
            }
            else // it's cool - just slide along with the other window.
            {
                me.Left = windowToMoveWith.Left + desiredXDisplacement;
            }

            // Try to prevent me from sliding off the screen vertically.
            double topLimit = SystemParameters.VirtualScreenTop - me.Height + bitToShow;
            double bottomLimit = SystemParameters.VirtualScreenTop + SystemParameters.VirtualScreenHeight - bitToShow;
            bool notTooMuchYDisplacement = Math.Abs(me.Top - windowToMoveWith.Top) < Math.Abs(desiredYDisplacement);
            if (me.Top <= topLimit && notTooMuchYDisplacement)
            {
                // bumping up against the top.
                //Console.WriteLine("setting to topLimit of " + topLimit);
                me.Top = topLimit;
            }
            else if (me.Top >= bottomLimit && notTooMuchYDisplacement)
            {
                // bumping against the bottom.
                me.Top = bottomLimit;
            }
            else // it's cool - just slide along with the other window.
            {
                me.Top = windowToMoveWith.Top + desiredYDisplacement;
            }

            // Reset the handler for the LocationChanged event.
            isIgnoringLocationChangedEvent = false;
        }