FairyGUI.InputTextField.MoveContent C# (CSharp) Method

        Vector2 MoveContent(Vector2 delta)
        {
            float ox = textField.x;
            float oy = textField.y;
            float nx = ox + delta.x;
            float ny = oy + delta.y;
            if (_contentRect.width - nx > textField.textWidth)
                nx = _contentRect.width - textField.textWidth;
            if (_contentRect.height - ny > textField.textHeight)
                ny = _contentRect.height - textField.textHeight;
            if (nx > 0)
                nx = 0;
            if (ny > 0)
                ny = 0;
            nx = (int)nx;
            ny = (int)ny;

            if (nx != ox || ny != oy)
            {
                textField.SetXY(nx, ny);

                List<HtmlElement> elements = textField.htmlElements;
                int count = elements.Count;
                for (int i = 0; i < count; i++)
                {
                    HtmlElement element = elements[i];
                    if (element.htmlObject != null)
                        element.htmlObject.SetPosition(element.position.x + nx, element.position.y + ny);
                }
            }

            delta.x = nx - ox;
            delta.y = ny - oy;
            return delta;
        }