UnityEditor.VerticalGrid.IsVisibleInScrollView C# (CSharp) Method

        public bool IsVisibleInScrollView(float scrollViewHeight, float scrollPos, float gridStartY, int maxIndex, out int startIndex, out int endIndex)
        {
            startIndex = endIndex = 0;
            float num = scrollPos;
            float num2 = scrollPos + scrollViewHeight;
            float num3 = gridStartY + this.topMargin;
            if (num3 > num2)
            {
                return false;
            }
            if ((num3 + this.height) < num)
            {
                return false;
            }
            float num4 = this.itemSize.y + this.verticalSpacing;
            int num5 = Mathf.FloorToInt((num - num3) / num4);
            startIndex = num5 * this.columns;
            startIndex = Mathf.Clamp(startIndex, 0, maxIndex);
            int num6 = Mathf.FloorToInt((num2 - num3) / num4);
            endIndex = ((num6 + 1) * this.columns) - 1;
            endIndex = Mathf.Clamp(endIndex, 0, maxIndex);
            return true;
        }