Habanero.Faces.Win.GridBaseWin.GetColumnHeaderRequiredWidths C# (CSharp) Method

        private List<int> GetColumnHeaderRequiredWidths()
        {
            var requiredWidths = new List<int>();
            var padding = this.ColumnAutoSizingPadding;
            using (var gfx = this.CreateGraphics())
            {
                for (var i = 0; i < this.Columns.Count; i++)
                {
                    if (this.Columns[i].Visible)
                    {
                        var heading = this.Columns[i].HeaderText;
                        var size = gfx.MeasureString(heading, this.Font);
                        requiredWidths.Add((int)(Math.Ceiling(size.Width) + padding));
                    }
                    else
                        requiredWidths.Add(-1);
                }
            }
            return requiredWidths;
        }