UnityEditor.GameViewSizeGroup.GetGameViewSize C# (CSharp) Method

        public GameViewSize GetGameViewSize(int index)
        {
            if (index < this.m_Builtin.Count)
            {
                return this.m_Builtin[index];
            }
            index -= this.m_Builtin.Count;
            if ((index >= 0) && (index < this.m_Custom.Count))
            {
                return this.m_Custom[index];
            }
            Debug.LogError(string.Concat(new object[] { "Invalid index ", index + this.m_Builtin.Count, " ", this.m_Builtin.Count, " ", this.m_Custom.Count }));
            return new GameViewSize(GameViewSizeType.AspectRatio, 0, 0, "");
        }

        public void RefreshStandaloneDefaultScreenSize(int width, int height)
        {
            GameViewSize gvs = m_Standalone.GetGameViewSize(GetDefaultStandaloneIndex());

            gvs.height = height;
            gvs.width  = width;
            Changed();
        }